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Tektronix 2402A, User Manual

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Summary of Contents for 2402A

Page 1: ... First Printing NOV 1989 Revised SEPT 1991 2402A TEKMATE HARDWARE USER S MANUAL Please Check for CHANGE INFORMATION at the Rear of This Manual Tektronix 070 7860 00 Product Group 37 ...

Page 2: ...rved Instrument Serial Numbers Each instrument has a serial number on a panel insert tag or stamped on the chassis The first number or letter designates the country of manufacture The last five digits of the serial number are assigned sequentially and are unique to each instrument Those manufactured in the United States have six unique digits The country of manufacture is identified as follows B00...

Page 3: ...__ Performance ___ Documentation ____ Suggestion __Other Is performance reproducable ____ yes ____ no Software Description INCLUDE MODEL NUMBERS Tektronix Product _________________ Rev _____ Serial Number ________________________ Operating System _____ Rev ________ Supplier _______ Other Software Rev Supplier _____ Hardware Description Manufacturer ________ CPU ______ Memory KB 286 386 Display Dev...

Page 4: ... how to reproduce it and your diagnosis and suggested corrections Attach listings or hard copies if available Include a copy of your CONFIG SYS and AUTOEXEC BAT file if appropriate For Tektronix Use Only Comments DAte _____ Report _____ Action Taken Signed ...

Page 5: ... The German Postal Service has the right to re test the series and to verify that it complies TEKTRONIX Bescheinigung des Herstellers lmporteurs Hiermit wird bescheinigt daf3 der die das 2402A TEKMATE and all factory installed options in Ubereinstimmung mit den Bestimmungen der Amtsblatt Verfugung 1046 1984 funkentstort ist Der Deutschen Bundespost wurde das lnverkehrbringen dieses Gerates angezei...

Page 6: ...s Gerat eingesetzt wird mu ebenfalls den Voraussetzungen nach Par 2 Ziff 1 der Vfg 1046 1984 genugen NOTICE to the user operator The German Postal Service requires that this equipment when usE d in a test setup may only be operated if the requirements of Postal Regulation Vfg 1046 1984 Par 2 Sect 1 7 1 are complied with HINWEIS fUr den Benutzer Betreiber Deles Gerat dart in Me aufbauten nur betrie...

Page 7: ...nstrument Options 1 4 Preparation tor Use 1 4 Safety 1 4 Line Voltage 1 5 Line Fuse 1 5 Power Cord 1 7 Instrument Cooling 1 7 Start Up 1 7 Shut Down 1 8 Repackaging tor Shipment 1 8 2 Operation Operation 2 1 Introduction 2 1 Installation 2 1 Operating Considerations 2 2 Disk Drives 2 2 Inserting and Removing Floppy Disks 2 2 Write Protection 2 2 Disk and Drive Care 2 3 2402A TEKMATE Hardware Users...

Page 8: ...haracteristics Performance Characteristics 4 1 Introduction 4 1 Performance Conditions 4 1 5 Options ii Options 5 1 Options Descriptions 5 1 Options A1 A5 International Power Cords 5 1 Option 01 24XX DSO Compatibility 5 2 Option 1P 2P HC 100 Pen Plotter 5 2 Option 1R Rackmount 5 2 Options 2F 3F QuickStart Operators Guide 5 2 Option 21 Hard Disk 5 2 Option 33 EGA Compatible Video Output 5 2 Option ...

Page 9: ...intenance Maintenance Static Sensitive Components Preventive Maintenance Introduction General Care Inspection and Cleaning Lubrication Semiconductor Checks Periodic Readjustment Troubleshooting Introduction Troubleshooting Aids Troubleshooting Techniques TEKMATE Optional Diagnostic Routines Executing the Diagnostics Test Failure Corrective Maintenance Introduction Maintenance Precautions Obtaining...

Page 10: ... Board Option 33 Jumper Locations A 5 GPIB Board Switch and Jumper Locations A 7 Custom Programming of the CPU iv Custom Programming of the CPU 8 1 System Memory Map 8 3 1 0 Address Map 8 4 PRINTER Port Jumpers 8 6 SCSI Soft Configuration Options 8 7 Floppy Disk Interface B 8 Using the XT Expansion Bus 8 10 DRAM Memory 8 11 Byte Wide Memory B 12 Memory Socket Jumper Configuration 8 13 Video Displa...

Page 11: ...r Specifications C 5 Video Board Jumpers C 4 Adapter Type Selection C 5 Video Mode Selection C 6 Monitor Type Selection C 9 Other Jumper Options C 9 Light Pen Interface C 11 Option 34 Video Board C 12 Operational Modes C 13 Configuration and Connectors C 14 CRT Interface Connector J2 C 14 Jumper Configuration C 14 Flat Panel Interface Connector J3 C 16 LCD Power Connector J4 C 17 Appendix D Append...

Page 12: ...2 C Using the RS 232 C F 1 What is the RS 232 C F 1 The Connector F 1 Matching the Signals F 4 Full Handshaking F 7 Flow Control F 9 Communication Via Modems F 10 lnterfaceParameters F 13 RS 232 C Device Interconnection F 15 Introduction F 15 Determining Device Type F 15 Interconnection Rules F 16 Interconnection Cable Type Identification F 18 Index vi 2402A TEKMATE Hardware Users Manual ...

Page 13: ... 2402A board locator 9 1 9 2 CPU board locator 9 2 9 3 CPU board 9 3 9 4 SIMM strip DRAM and Coprocessor board locators 9 4 9 5 SIMM strips DRAM and Coprocessor boards 9 5 9 6 Video board locator Option 33 or Option 34 9 6 9 7 Video board Option 33 9 7 9 8 Video board Option 34 Front and Rear View 9 8 9 9 GPIB board locator 9 8 9 10 GPIB board 9 10 9 11 Interface board locator 9 11 9 12 Interface ...

Page 14: ...umper locations C 5 D 1 GPIB block diagram D 4 D 2 GPIB board default 1 0 base address and jumper settings D 7 D 3 GPIB jumper locator diagram D 8 D 4 Base 1 0 address options D 9 D 5 OMA channel options D 1 O D 6a TLC interrupt options D 11 D 6b TLC interrupt options D 12 F 1 Detail of the RS 232 C connector with commonly used lines identified F 2 F 2 Signal lines and line swapping in a null mode...

Page 15: ...t Loop Back Connector 7 18 7 6 Parallel Port Loop Back Connector 7 20 7 7 Diagnostic Failure Checks 7 22 7 8 Maintenance Aids 7 27 A 1 CPU Board Default Jumper Locations A 3 A 2 NOVRAM Setup A 4 A 3 EEPROM General Setup A 4 A 4 EEPROM SCSI and Drive Setup A 5 A 2 Video Board Default Jumper Locations A 5 A 3 GPIB Board Default Settings A 7 B 1 CPU Board Memory Map B 3 B 2 1 0 Port Assignment Map B ...

Page 16: ...8 C 7 Video Mode Selection CGA Adapter Type C 8 C 8 Video Mode Selection MDA Hercules Adapter Type C 9 C 9 Monitor Compatibility Jumpers C 9 C 1 O Light Pen Connector C 11 C 11 Modes Available for Option 34 Video Board C 13 C 12 Jumper Configuration Summary C 15 D 1 GPIB Subsets D 2 D 2 Address Lines D 5 D 3 GPIB Interface Default Settings D 6 F 1 Commonly Used RS 232 C Signals F 3 F 2 DTE DCE Dev...

Page 17: ... practices that could result in personal injury or loss of life Terms As Marked on Equipment CAUTION indicates a personal injury hazard not immediately accessible as one reads the markings or a hazard to property including the equipment itself DANGER indicates a personal injury hazard immediately accessible as one reads the marking Symbols In This Manual This symbol indicates where applicable caut...

Page 18: ...the protective ground connection all accessible conductive parts including knobs and controls that may appear to be insulated can render an electric shock Use the Proper Power Cord Use only the power cord and connector specified for your product Use only a power cord that is in good condition For detailed information on power cords and connectors see Table 2 1 Use the Proper Fuse To avoid fire haz...

Page 19: ...with the TEKMATE Product Overview The Tektronix 2402A TEKMATE is a portable compact low power AT and GPIB 488 compatible system The TEKMATE is ideally suited for applications where IBM PC software and bus compatibility are required and where low power consumption small size and high reliability are critical The instrument can add data acquisition and control to your system and can be mounted onto ...

Page 20: ...ors External 1 0 ports 2 Serial RS 232C the COM 1 and COM 2 ports Centronics parallel printer port IEEE 488 GPIB Keyboard Hardware reset button Audio speaker Power on LED indicator XT expansion bus Supports two full PC expansion cards or two half cards and 1 full card Versatile power supply 90 250 VAC 48 440 Hertz one range input 50 total load Watts available approximately 24 load Watts available ...

Page 21: ...ide 1 Meter GPIB Cable Color Monitor with Cable Color Monitor Cable IBM Compatible Keyboards U S and International Rain Jacket Carrying Case Diagnostic Disk and Loop back Connectors For part numbers and further information about both standard and optional accessories refer to the Accessories information at the rear of this manual Your Tektronix representative or local Tektronix Field Office can al...

Page 22: ... Package Adds 1 M byte of RAM EZ Test software Digital Interface Test System 1 year of software upgrades and support Preparation for Use Safety Before connecting the instrument to a power source read entirely both this section and the Safety Summary at the front of this manual Be sure you have the training required to safely connect the instruments you will be using Refer to the Safety Summary for...

Page 23: ...The detachable power cord see Figure 1 1 may have to be replaced to match the particular power source Line Fuse For instructions on replacing the line fuse please refer to the Removal and Replacement Instructions in this manual POWER CORD RECEPTACAL POWER SWITCH 7860 02 Figure 1 1 Detachable power cord 2402A TEKMATE Hardware Users Manual 1 5 ...

Page 24: ...ican National Standards Institute AS Standards Association of Australia BS British Standards Institution CEE lntemaUonal Convnlsslon on Rules for the Approval of Electrical Equipment IEC lntematlonal Electrotechnlcal Commission NEMA Natlonal Electrical Manufacturer s Association SEV Schwelzervtscher Elektrotechnlscher Vereln UL Underwriters Laboratories Inc Reference Standards 2 ANSI C73 11 NEMA 5...

Page 25: ...ction to air flow Start Up If your TEKMATE uses a hard disk turn the instrument on the ON OFF power switch is located on the instrument s rear panel see Figure 1 1 If your TEKMATE does not use a hard disk install a disk containing the disk operating system in the A upper drive and turn the instrument on the ON OFF power switch is located on the instrument s rear panel see Figure 1 1 The instrument...

Page 26: ...cardboard shipping carton having inside dimensions at least six inches greater than the instrument dimensions and having a carton test strength of at least 275 pounds 2 If the instrument is to be shipped to a Tektronix Service Center for service or repair attach a tag to the instrument showing the following owner of the instrument with address the name of a person at your fim who can be contacted ...

Page 27: ... later in this section following operation with Keyboard and Monitor assume a keyboard and monitor are being used If your applications software uses your instrument s buttons and display to interface with the TEKMATE s DOS consult your applications software documentation to see how the operations described or similar operations are performed Installation Mounting the TEKMATE on an Instrument The T...

Page 28: ... Disks Insert a disk into the disk load slot with the label up and toward you The disk should slide in smoothly and click down into the drive when fully in place An improperly installed disk will not function and may physically damage the drive To remove a disk from the drive press the disk eject button located on the lower right corner of the drive Write Protection To avoid accidentally writing o...

Page 29: ...eing used If your applications software uses an instrument s buttons and display to interface with the TEKMATE s DOS consult your applications software documentation to see how the following or similar operations are performed Start up and Shutdown Procedures Start up Power up all peripheral equipment oscilloscope monitor etc prior to the power up of the 2402A Controller This will prevent errors d...

Page 30: ...so perform a system reset by pressing and holding the Ctrl Alt Del keys Disk Operating System A Disk Operating System DOS is a program that lets you do certain tasks such as format disks read and write files copy information from one disk to another enter time and date and load and execute other programs Files Programs File Names and Directories 2 4 DOS typically includes files programs and file n...

Page 31: ...the same format as file names A directory entry can be a file another directory or a volume label When DOS starts the root directory is the current directory To make a new directory use the MKDlR MD command To emove a directory use the RMDlR RD command Using the CHOIR CD command you can make a different directory the current directory For more information on the use of directories consult your DOS...

Page 32: ...The message itself often tells what is wrongi so you can correct the problem An example is Invalid drive specification This message tells you that your command specified a drive that is not connected to your system Re enter the command specifying the correct drive Loading DOS Your TEKMATE has been set at the factory to automatically load autoboot DOS The following steps show how to create backups ...

Page 33: ...e and time If the date is not correct the format for entering a new date is M D Y or M D Y where Mis the month 1 to 12 Dis the day 1 to 31 and Y is the year 80 to 99 Four digits may be used for the year Any other response will cause the TEKMATE to display Invalid date Enter new date mm dd yy 3 Enter the current date and press the RETURN key The TEKMATE then displays Current time is 0 03 20 20 Ente...

Page 34: ...sion gives a step by step method for making backups using MS DOS Use this procedure if your TEKMATE has two micro floppy disks This procedure involves formatting a new disk and then copying every track from the original source disk to the new destination disk This procedure can be used to duplicate and produce identical disks however you cannot use it to produce nonidentical disks Copying individu...

Page 35: ...l part of the operating system Other commands are external actually separate programs on the DOS disk that must be loaded into the TEKMATE before their functions can be performed Internal commands are always present after booting DOS Some of the MS DOS internal commands and their functions are COPY DATE DEL DIR ERASE REN RENAME TIME TYPE Copy information one or more files from one disk to another ...

Page 36: ... commands from MS DOS and their functions are CHKDSK Check the disk directory report free space and repair the directory if necessary DISKCOMP Compare the contents of two disks to see if they are identical DISKCOPY Duplicate the contents of one disk onto another disk EDLIN Create edit change display or delete ASCII files COMP Compare the contents of two files to see if they are identical FORMAT Fo...

Page 37: ...standard DOS defaults At power up or when the TEKMATE is reset DOS searches for the file named CONFIG SYS in the root directory of the default drive If the file is found the commands found within the file override the DOS defaults When the CONFIG SYS file is created or modified the new defaults do not become effective until the next power up or reset Commands that can be included in the configurat...

Page 38: ...uto execute programs are batch files with AUTOEXEC BAT as their file name Each time you boot DOS the DOS command processor executes the AUTOEXEC BAT file if any that it finds in the root directory Auto execute programs can be used to execute DOS commands or programs every time you boot DOS As an example an AUTOEXEC BAT file can be created to set the date and time of the real time clock An example ...

Page 39: ...sk operating system in the A upper drive not required if your TEKMATE has a hard disk and turn the TEKMATE on by pressing the left side from the rear of the TEKMATE of the On Off switch The disk should automatically boot and run any automatically executing application program See specific application program documentation for further details Detachable Power Cord Receptacle Connects the ac power s...

Page 40: ...Controls Connectors and Indicators TEKTriONIX 1Nc BtAVERtoN OR USA 7860 03 Figure 3 1 Power control and connector 3 2 2402A TEKMATE Hardware Users Manual ...

Page 41: ...y disk drive Each floppy disk drive is a 3 5 inch micro floppy drive giving 1 44M bytes of formatted mass storage Floppy disks are transportable from the TEKMATE to other compatible devices Disks are inserted into the disk load slot with the label up and toward you The disk should slide in smoothly and click down into the drive when fully in place An improperly installed disk will not function and...

Page 42: ...Controls Connectors and Indicators WRITE PROTECT TAB 7860 36 Figure 3 2 Floppy Disk write protect tab Figure 3 3 Front panel controls and indicators 7860 04 3 4 2402A TEKMATE Hardware Users Manual ...

Page 43: ...s RS 232 C Interfaces 0 PC Serial Port COM 1 Output connector COM 1 is a PC compatible serial port Three RS 232 C output signals and five RS 232 C input signals allow a broad range of serial devices to be connected This port can be used to connect a printer modem terminal or other serial device The main interface consideration is that the device be RS 232 C compatible Printers and modems generally...

Page 44: ...s port can be used to connect a printer modem terminal or other serial device The main interface consideration is that the device be RS 232 C compatible Printers and modems generally require handshaking in one or both directions Consult the serial device s installation manual for information regarding possible handshake and other interface considerations Table 3 1 gives the signal definitions for ...

Page 45: ...ard Data No Connection Ground 5V power Parallel PRINTER Port DIN Pin 1 2 3 4 5 The parallel PRINTER port connector is a standard DB 25 PC printer connector Table 3 4 gives the printer connector s pinout and signal definitions A jumper option allows the printer port to be selected as either the MS DOS LPT1 or LPT2 device As shipped from the factory the printer port is configured for LPT1 IRQ7 378 3...

Page 46: ...RR Printer error in 15 INIT Initialize out 16 SELECT Select printer out 17 GND Signal ground 18 25 External Video MONITOR Optional 3 8 A monochrome or RGB color video monitor optional can be connected via a standard PC compatible cable to the female DB 9 MONITOR connector optional on the rear panel of the TEKMATE Table 3 5 gives the connector pinout and signal definitions Table 3 5 Video MONITOR C...

Page 47: ... pixels 16 colors Hercules monochrome graphics 720 by 348 pixels Standard IBM PC monochrome display IBM 5101 or MDA 80 characters by 25 rows As shipped from the factory the TEKMATE is set for IBM enhanced graphics EGA 640 by 350 pixels 16 colors All other video modes must be selected by changing jumpers in the instrument and or programming the video controller see Appendix C 7860 05 Figure 3 4 Rea...

Page 48: ...acket Install the expansion board in the bus connector and align the plastic board support clips in the board support bracket so they will support the board and not interfere with the board s components Reinstall the board support bracket and the TEKMATE cover The bus signals are buffered on the CPU board and provide peripheral boards with approximately 24 mA source and sink currents at TTL compat...

Page 49: ...d Indicators Controls Connectors an 7860 06 3 5 Expansion slots Figure TEKMATE Hardware se 2402A u rs Manual 3 11 ...

Page 50: ...ut A12 A19 Address bit 19 out A13 A18 Address bit 18 out A14 A17 Address bit 17 out A15 A16 Address bit 16 out A16 A15 Address bit 15 out A17 A14 Address bit 14 out A18 A13 Address bit 13 out A19 A12 Address bit 12 out A20 A11 Address bit 11 out A21 A10 Address bit 10 out A22 A9 Address bit 9 out A23 A8 Address bit 8 out A24 A7 Address bit 7 out A25 A6 Address bit 6 out A26 A5 Address bit 5 out A2...

Page 51: ...R Memory Read out B13 not IOW 1 0 Write out B14 not IOR 1 0 Read out B15 not DACK3 DMA Ack 3 in B16 DRQ3 DMA Request 3 out 817 not DACK1 DMA Ack 1 out B18 DRQ1 DMA Request 1 in B19 not DACK0 Memory Refresh out B20 CpuClk 7 16 MHz clock out B21 IRQ7 Int Request 7 in B22 IRQ6 Int Request 6 in B23 IRQ5 Int Request 5 in B24 JRQ4 Int Request 4 in B25 IRQ3 Int Request 3 in B26 not DACK2 DMA Ack2 out 827...

Page 52: ...nector Pin Name Function In Out 1 D1O1 Data bit 1 i o 2 D1O2 Data bit 2 i o 3 DIO3 Data bit 3 i o 4 DIO4 Data bit 4 i o 5 EOI End or Identify i o 6 DAV Data AVailable i o 7 NRFD Not Ready For Data i o 8 NDAC Not Data Accepted i o 9 IFC lnterFace Clear out 10 SRQ Service Request in 11 ATN ATtentioN out 12 SHIELD System Ground Chassis 13 DIO5 Data bit 5 i o 14 DIO6 Data bit 6 i o 15 DIO Data bit 7 i...

Page 53: ...Controls Connectors and Indicators 7860 07 Figure 3 6 GPIB connector 2402A TEKMATE Hardware Users Manual 3 15 ...

Page 54: ......

Page 55: ... printer port a keyboard port a XT Expansion Bus and a speaker Performance Conditions The following electrical characteristics Table 4 1 are valid for the instrument when it has been adjusted at an ambient temperature between 20 C and 30 C and is operating at an ambient temperature between 5 C and 50 C unless otherwise noted Mechanical characteristics are listed in Table 4 2 Environmental characte...

Page 56: ...istics Performance Requirements CMOS 80C286 16 MHz 8 AT compatible channels 16 AT compatible channels 3 AT compatible controllers 1M byte parity checked 2 8K 512K PROM EPROM SRAM NOVRAM Sockets are available Momentary push button switch and REMOTE jack INPUT OUTPUT 2 3 5 inch 1 44M byte floppy disks 2 RS 232 C 2 AT compatible COM ports with full handshaking Up to 19 2K bits second software control...

Page 57: ...el Port 1 AT Centronics compatible Clock Calendar Programmable with battery backup Keyboard Input IBM AT compatible Speaker AT compatible 1 5 inch cone type GPIB Controller IEEE 488 1978 compatible supports DMA and multiple controllers Expansion Bus XT compatible expansion bus header 2402A TEKMATE Hardware Users Manual 4 3 ...

Page 58: ...no options installed 1 Peak outputs lasting less than one minute with duty factor less than 5 During peak loading output may go outside of total regulation limits 2 50 MHz bandwidth peak to peak measured differentially 3 Total Regulation is defined as the static output regulation at 25 C including initial tolerance line voltage within stated limits load currents within stated limits and output vol...

Page 59: ...tput Voltage Adjustability 5 V Output 3 Overshoot Undershoot Turn on None Transient Response 5 V Output 2 5 A to 5 A Load Change 500 mV peak transient settling to within 0 5 in 500 U S 12 V Output 1 A to 2 A Load Change 300 mV peak transient settling to within 0 5 in 500 µs Temperature Coefficient All Outputs 0 03 per C maximum Overvoltage Protection Threshold 5 V Output 6 25 V 0 75 V Total Output...

Page 60: ...80188 and 80186 instruction sets Microsoft QuickBasic C QuickC ASYST SPD EZ TEK EZ TEST and other MS DOS compatible packages NOTE Some packages may require optional keyboard and monitor CONTROLS CONNECTORS 1NDICATORS DIN 5 pin IBM AT Keyboard Compatible D89 connector optional D825 connector D89 connectors 2 full length slots one of which can accommodate two half cards end to end provided one half ...

Page 61: ...t checked in the manual Weight 10 lb Domestic Shipping Weight 14 6 kg 32 1 lb Height 3 1 inches Width 12 0 inches Depth 15 0 inches Cooling Forced air circulation Finish Tek Blue painted aluminum cabinet Construction Aluminum alloy chassis sheet metal Molded plastic front panel Glass laminate circuit boards 2402A TEKMATE Hardware Users Manual 4 7 ...

Page 62: ...nce Characteristics 14 88 4 68 I 14 20 I 11 I 0 II 73 II 9 1 66 0 I 0 II I 2 69 I 7 56 t TOP VIEW 2 3 Ft J L 55 SIDE V IEW 7860 37 Figure 4 1 TEKMATE dimensional drawing 4 8 2402A TEKMATE Hardware Users Manual ...

Page 63: ... atmospheric constraints and the electromech anical sensitivity of the disk drives imposes dynamic constraints MIL T 28800D low temperature as paragraph 4 5 5 1 3 except that Step 4 shall precede Step 2 to avoid moisture condensation on the instrument surfaces and high temperature as paragraph 4 5 5 1 4 except that Step 4 shall be less than 15 RH Humidity paragraph 4 5 5 1 2 2 class 5 procedure Op...

Page 64: ...55 Hz with frequency varied from 10 Hz to 55 Hz in one minute sweeps Hold 10 minutes at each major resonance or if none exists hold 10 minutes at 55 Hz 75 minutes total test time Shock operating and nonoperating condition 1 30 g half sine 11 ms duration three shocks in each of three mutually perpendicular axes for a total of 18 shocks Bench Handling cabinet on or cabinet off MIL T 28800D para 4 5 ...

Page 65: ...imits of the National Safe Transit Association test procedure 1A 8 1 excursion of 1 inch p p at 4 63 Hz 1 1 g for 30 minutes Tektronix Standard 062 2858 00 Meets MIL T 28800C MIL STD 4618 part 4 CE 03 and CS 02 part 5 CS 06 and RS 02 and part 7 CS 01 RE 02 and RS 03 limited to 1 GHz VDE 0871 Category B Part 15 of FCC Rules and Regulations Subpart J Class A and Tektronix Standard 062 2866 00 Meets ...

Page 66: ... ...

Page 67: ...he detachable power cord configuration ordered by the customer Descriptive information about the international power cord options is provided in Section 1 Preparation for Use The following list identifies the Tektronix part numbers for the available power cords and associated fuses Universal Euro Power cord 2 5 m OPTION A1 Fuse 2 A 250 V 5 x 20 mm UK Power cord 2 5 m OPTION A2 Fuse 2 A 250 V 5 x 2...

Page 68: ...talled into a 19 inch wide electronic equipment rack An on off switch reset button and a keyboard connector are provided in the front panel of the rackmounted instrument Complete rackmounting instructions are provided in a separate document shipped with the option Options 2F and 3F QuickStart Operators Guide Options 2F and 3F include the QuickStart Operators Guide To 2402A Tekmate Option 21 Hard D...

Page 69: ...total of 2M bytes Option 41 Program Development Package Option 41 is the DSC Utility Program Development Package This package includes the source executables and documentation for the DSO Utility Applications software and the QuickBasic and QuickC GPIB libraries QuickBasic and QuickC are also included The option also includes the Programmer s Reference Guides for the DSO Utility Program Developmen...

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Page 71: ...D PERSONNEL ONLY TO AVOID PERSONAL INJURY DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO REFER TO OPERATORS SAFETY SUMMARY AND SERVICE SAFETY SUMMARY PRIOR TO PERFORMING ANY SERVICE I I I I I I I I I I ...

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Page 73: ... at several points in this product To avoid personal injury do not touch exposed connections or components while power is on Disconnect power before removing protective panels soldering or replacing components Power Source This product is intended to operate from a power source that does not apply more than 250 volts rms between the supply conductors or between either supply conductor and ground A...

Page 74: ......

Page 75: ...ore detailed and exhaustive checks are desired the optional diagnostics should be used Within the procedure steps to verify proper operation of an instrument control or function begin with the word VERIFY These functions ARE NOT specifications and should not be interpreted as such Preparation The optional monitor and video controller are required to perform this procedure Before performing this pr...

Page 76: ... IN PROTECTED MODE 00384K OK TESTING PROCESSOR EXCEPTION INTERUPTS KEYBOARD ERROR OR NO KEYBOARD PRESENT SCSI Drive Id 0 Lun 0 READY NOTE The expanded memory keyboard and the SCSI messages depend on options installed in the instrument If an error message is present have the instrument repaired by a qualified service technician Adjustment Procedure This instrument does not need adjustment The power...

Page 77: ...g maintenance observe the following precautions to avoid component damage 1 Minimize handling of static sensitive components 2 Transport and store static sensitive components or assemblies in their original containers or on a metal rail Label any package that contains static sensitive components or assemblies 3 Discharge the static voltage from your body by wearing a grounded antistatic wrist stra...

Page 78: ...charge Damage Relative Susceptibility Semiconductor Classes Levels1 MOS or CMOS circuits or discretes or linear microcircuits with MOS inputs Most Sensitive 1 ECL 2 Schottky signal diodes 3 Schottky TTL 4 High frequency bipolar transistors 5 JFET 6 Linear microcircuits 7 Low power Schottky TTL 8 TTL Least Sensitive 9 1 Voltage equivalent for levels voltage discharged from a 100 pF capacitor throug...

Page 79: ...perating the instrument Inspection and Cleaning The instrument should be visually inspected and cleaned as often as operating conditions require Accumulation of dirt in the instrument can cause overheating and component breakdown Dirt on components acts as an insulating blanket preventing efficient heat dissipation It also provides an electrical conduction path that could result in instrument fail...

Page 80: ...arly useful for dislodging dirt on and around the controls and connectors Dirt that remains can be removed with a soft cloth dampened in a mild detergent and water solution Do not use abrasive cleaners Table 7 2 External Inspection Check List Item Inspect For Repair Action Cabinet Front Panel Cracks scratches deformations Touch up paint and Cover damaged hardware or gaskets scratches and re place ...

Page 81: ...e affected circuit see Section 6 If the power supply is replaced conduct a complete Performance Check see Section 6 To prevent damage from electrical arcing ensure that circuit boards and components are dry before applying power to the instrument CLEANING To clean the interior blow off dust with dry low pressure air approximately 9 psi Remove any remaining dust with a soft brush or a cloth dampene...

Page 82: ...tive component Capacitors Damaged or leaking cases Replace the assembly Corroded solder on leads or containing the defective terminals component Semiconductors Loosely inserted in sockets Firmly seat loose semicon Distorted pins ductors Remove devices having distorted pins Carefully straighten as required to fit the socket using longnose pliers and reinsert firmly Ensure that straightening action ...

Page 83: ...rication required for this instrument Semiconductor Checks Periodic checks of the transistors and other semiconductors in this instrument are not recommended The best check of semiconductor performance is actual operation in the instrument Periodic Readjustment To ensure proper operation check the performance of this instrument every 2000 hours of operation or if used infrequently once each year T...

Page 84: ...hile troubleshooting Troubleshooting this instrument should be approached from the systems level running diagnostics and swapping assemblies as opposed to pertorming point to point testing and probing of the boards In general servicing the instrument involves Verifying system configuration Running diagnostics Verifying the power supply Replacing faulty assemblies Re running diagnostics to ensure p...

Page 85: ...Illustrations Circuit board illustrations showing the physical location of each component are provided The illustrations are found in the Diagrams section Circuit Board Locations The placement in the instrument of each circuit board is shown in a board locator illustration These illustrations are located in the Diagrams section Circuit Board Interconnection Diagram A circuit board interconnection ...

Page 86: ...Maintenance Figure 7 1 Multipln connector orientation 7 10 2402A TEKMATE Hardware Users Manual ...

Page 87: ...sure that anyvoltage orcurrent suppliedbythe test equipment does not exceedthe limits of the component to be tested 1 Power up Tests The instrument performs automatic verification of the instrument s circuitry when power is first applied or when the system is reset RESET button pushed The BIOS diagnostics verify proper operation of the interrupt controllers the CMOS battery the CMOS memory the sys...

Page 88: ...boards or other clues to the cause of an instrument malfunction 6 so ate Trouble to a Circuit 7 12 To isolate problems to a particular area use any symptoms noticed to help locate the trouble When trouble symptoms appear in more than one circuit check the power supplies Check first for the correct output voltage of each individual supply and interface power cable These voltages are measured betwee...

Page 89: ...d Adjustment Procedures 9 Check the Software The diagnostic programs are designed to detect and isolate possible hardware problems If the diagnostics indicate that the hardware is OK but the application is not operating properly consult your software documentation to see if The operating system needs to be replaced One or more required files is missing or not in the root or other required director...

Page 90: ...ional performance identify functional performance deficiencies and isolate defective TEKMATE modules The modules that can be tested by the software are Floppy Drive A Floppy Drive B Serial Port COM 1 Serial Port COM 2 Switches Parallel Printer Port Speaker Hard Disk GPIB RAM 7 14 2402A TEKMATE Hardware Users Manual ...

Page 91: ...R iPARALLBL PO T 1 i r 1 r r 1 1NTtNs1tv 1 t I I 1 NEXT J SEL CT MOOE HffLP l CA CEU J 1 T J j ffEK 402A TEKMAT DIA NOSfflCS i i L T ST PEAKER L J L TEST PI 6 i 1 1 1 l H J T t L J f l Ji l l j f L TtsT A RID 6 sK cj _ A i LABLif 1 1t i 1 I i i 0 l 1 I 1 i 11 NTtNSI Y 1 I 1 1 i NEXT SEUECT 1 T P H LP J CANCELJ 7860 09 Figure 7 2 Diagnostic Menu 2402A TEKMATE Hardware Users Manual 7 15 ...

Page 92: ...e B if your Tekmate has two floppy diskdrives Then type Y and RETURN Diagnostic Menu 7 16 After the diagnostics boot and blank disk s have been installed in the floppy drive s a menu of available tests is displayed The menu see Figure 7 2 along with the oscilloscope bezel buttons is used to select and execute the diagnostics NEXT SELECT MORE HELP CANCEL TOP The NEXT bezel button moves the asterisk...

Page 93: ... still the same If the test data is still intact PASS is displayed if the data is not the same FAIL is displayed Test Floppy Drive B This test is only available if the Tekmate has two floppy disk drives The floppy drive 8 test takes about 4 minutes to complete It consists of Formatting the diskette in drive B Writing a test pattern 6D 86 DB 6D 86 DB onto the diskette in drive B Reading the disk to...

Page 94: ...CTS bit test A TXD RXD text test The TXD RXD Text test part of this test sends and receives all 256 ASCII characters Table 7 4 Serial Port Loop Back Connector Pin Signal Name Connect to Pin 1 Data Carrier Detect DCD 2 Receive Data RXD 3 3 Transmit Data TXD 2 4 Data Terminal Ready DTR 6 5 Signal Ground GND 6 Data Set Ready DSR 4 7 Request To Send RTS 8 8 Clear To Send CTS 7 9 Ring Indicator RI 2402...

Page 95: ... displayed This test only takes a few seconds to complete Test Parallel Port Printer The parallel port printer test requires a OB25 Loop Back Connector see Table 7 5 This test only takes a few seconds to complete The test consists of Testing Data Lines Data 0 7 pins 2 9 Testing Internal Control Lines Data Strobe pin 1 Autofeed pin 14 Initialize Printer pin 16 Select Printer pin 17 IRQ7 Testing Ext...

Page 96: ...a 0 15 3 Data 1 13 4 Data2 12 5 Data3 10 6 Data 4 11 7 Data5 8 Data6 9 Data 7 10 Character Accepted ACK 5 11 BUSY 6 12 Out of Paper 4 13 Ready to Receive Data 3 14 Autofeed 15 Printer Error ERROR 2 16 Initialize Printer INIT 17 Select Printer SELECT 18 25 Signal Ground 7 20 2402A TEKMATE Hardware Users Manual ...

Page 97: ...x instrument should be set to T L Talk Listen mode and conform to Tektronix Codes and Formats Standard The GPIB test program searches for the instrument s address and attempts to handshake If the instrument responds to the query and the first four characters of the returned string are TEK communication is established and the test is PASSED If an appropriate string is not returned a tone sounds and...

Page 98: ...Check power supply for drive A J111 Pin 1 5V 2 GND 3 GND 4 NC Check Replace disk drive A If the B drive is known to be good swap drive A with drive B remove disk drive assembly remove connectors P160 and P170 from the drives place P160 on the B drive connector If the Drive A Test will then pass replace the normal Drive A Configuration Jumpers and Memory Check all jumpers and configuration memory p...

Page 99: ... P160 on the B drive connector If the Drive A Test then fails it may prevent the system from booting and prevent the diagnostics from running replace normal drive B Configuration Jumpers and Memory Check all jumpers and configuration memory parameters Check Replace CPU board U6 WD37C65PLCC Check to make sure the Loop Back Connector is properly plugged in Check the Loop Back Connector wiring NOTE C...

Page 100: ...cables Check Replace COM4 cable inside cabinet P1011 Check Replace CPU board NOTE The printer test program is designed to run with a Loop Back Connector Do not run it with a real printer connected Check to make sure the Loop Back Connector is properly plugged in Check Loop Back Connector wiring NOTE Cable connections should be carefully checked because it is easy to improperly attach cables Check ...

Page 101: ... Check cable connector P1091 inside the cabinet Check Replace CPU board U19 Rerun the RAM test Record the BANK number where the test hangs up If the RAM test stops at a bank number between 0 to 3 then replace the SIMM1 DRAM If the RAM test stops at a bank number between 4 to 7 then replace the SIMM2 DRAM If the RAM test stops at a bank number between 8 to 10 then replace the SIMM3 DRAM Replace the...

Page 102: ...lowing precautions 1 Disconnect the instrument from the ac power source before removing or installing components 2 Verify that the line rectifier filter capacitors are discharged prior to performing any servicing 3 Use care not to interconnect instrument grounds which may be afdifferent potentials cross grounding Obtaining Replacement Parts Replaceable electrical assemblies and mechanical parts ca...

Page 103: ... substituted for the examples given provided their characteristics are similar Description 1 Torx screwdrivers 2 Nutdrivers Table 7 8 Maintenance Aids Specification Usage Torx tips fl T9 Assembly and T10 T15 T20 disassembly 1 4 inch 7 32 inch Assembly and 5 16 inch disassemblv Interconnections Example Tektronix Part Numbers 003 1293 00 003 0965 00 003 0814 00 003 0966 00 003 0866 00 Xcelite 7 8 10...

Page 104: ...tipin connector is reinstalled Transistors and Integrated Circuits Transistors and integrated circuits should not be replaced unless they are actually defective If removed from their sockets during routine maintenance return them to their original board locations Unnecessary replacement or transposing of semiconductor devices may affect the adjustment of the instrument When a semiconductor is repl...

Page 105: ...anel connector 3 Remove all other cables that may be connected to the instrument 4 Remove the screw from the back right and back left side of the cabinet 5 Remove the screw from the top center of the cabinet WARNING I Dangerous potentials exist at several points throughout this instrument If it is operated with the cabinet removed do not touch exposed connections or components Some transistors may...

Page 106: ... board to the chassis floor 8 Gently push the board securing clamp toward the side of the instrument until the edge of the Power Supply board is released 8 Lift the Power Supply assembly from the instrument To reinstall the Power Supply perform the reverse of the preceding instructions Be certain to reposition the wires and cables to their original positions Fuse Replacement 7 30 Replacement of th...

Page 107: ...e instrument cabinet as described in that procedure 2 Set the instrument bottom down on a flat surface 3 Remove the three screws securing the board support bracket to the left side of the chassis 4 Remove the screw securing the board support bracket to the rear of the chassis Remove the bracket 5 Remove the screw securing the GPIB board expansion slot bracket to the rear of the chassis 6 Gently pu...

Page 108: ...om J2 of the Video board 8 Remove the six screws securing the Interface board to the Main Support bracket 9 Remove the board by carefully feeding the power cables through the holes in the Main Support bracket To reinstall the Interface board perform the reverse of the preceding instructions Video Board Removal Option 33 7 32 Removal of the Video Board is accomplished by the following steps 1 Remov...

Page 109: ...ove the board To reinstall the CPU board perform the reverse of the preceding steps Disk Drive Removal A Disk Drive is removed by the following procedure 1 Remove the instrument Cabinet as described in that procedure 2 Remove the screw from the top of each disk drive support bracket 3 Remove the two nuts from the bottom of each disk drive support bracket 4 Slide the disk drive assembly forward abo...

Page 110: ... following steps 1 Remove the instrument Cabinet as described in that procedure 2 Remove the coprocessor board by grasping the board near botll ends of J11 and pulling the board straight up To reinstall the coprocessor board perform the reverse of the preceding steps 2402A TEKMATE Hardware Users Manual ...

Page 111: ... of this manual ITEM NAME In the Parts List an Item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For further Item Name identification the U S Federal Cataloging Handbook H6 1 can be utilized where possible INDENTATION SYSTEM This mechanical parts list is indented to indicate item relationships Following is an example...

Page 112: ...LARK INC Rl u 51181 KEYTRONICS INC 707 NORTH ST ENDICOTT NY 13760 5011 C 58361 QUALITY TECHNOLOGIES CORP 3400 HILLVIEW AVE PALO ALTO CA 94304 1319 70903 COOPER BELDEN ELECTRONICS WIRE AND C 2000 S BATAVIA AVE GENEVA IL 60134 3325 E SUB OF COOPER INDUSTRIES INC 75915 LITTELFUSE INC 800 EOORTHwEST HwY DES PLAINES IL 60016 3049 SUB TRACOR INC Rl u 78189 ILLINOIS TOOL WORKS INC ST CHARLES ROAD ELGIN I...

Page 113: ...EM ITALY 10156 TORINO VAICENTALLO 62 45S ITALY C AJ CAA TEXTRON 600 18TH AVE ROCKFORD IL 61108 5181 AMP INC 19200 STEVENS CREEK BLVD CUPERTINO CA 95014 SUITE 100 NEC HOME ELECTRONICS USA INC 1401 ESTES AVE ELK GROVE VILL GE IL 60007 5405 COMPUTER PRODUCTS 1331 CALIFORNIA CIRCLE MILPITAS CA 95035 BOSCHERT INCORPORATED NORTH STAR Nftl 1EPLATE 1281 S NE 25TH HILLSBORO OR 97124 SCHAFFNER 325 EHIGH AVE...

Page 114: ... ATTACHING PARTS I 5 211 0725 00 3 SCREW MACHINE 6 32 X0 375 FLH 01536 ORDER BY DESCR 6 211 0725 00 4 SCREW MACHINE 6 32 X0 375 FLH 01536 ORDER BY DESCR I J END ATTACHING PARTS c N 7 436 0213 00 1 TRAY MJUNTING ALl 1 1INLf t BLUE TK1285 ORDER BY DESCR 0 t IC OPTION 01 N 0 ATTACHING PARTS Ill u 8 212 0112 00 3 SCREW MACHINE 8 32 X0 188 TRH SST 01536 ORDER BY DESCR C OPTION 01 1 END ATTACHING PARTS ...

Page 115: ...D PL 78189 511 061800 00 QI C END ATTACHING PARTS re 9 118 8526 00 2 DISK FLOPPY 3 5 1 44 MEG 80009 118 8526 00 C _ 10 118 8525 00 1 DISK DRIVE RIGID 3 5 TEAC SD 340 00 80009 118 8525 00 t OPTION 21 ONLY r T I 11 119 3182 00 1 FAN 12VDC 80009 119 3182 00 ATTACHING PARTS r s 12 211 0713 00 4 SCREW MACHINE 6 32 X1 25 FLH 100 DEG STL 83385 ORDER BY DESCR C Ill 13 210 0457 00 4 NUT PL ASSEM WA 6 32 X0...

Page 116: ...ING PARTS 1 FILTER LINE PCM R FN 323 3 05 ATTACHING PARTS 2 SCREW MACHINE 4 40 X0 375 FLH CD PL T 9 END ATTACHING PARTS 1 SWITCH ROCKER DPST 6 4 A 250V 1 LEAD ELECTRICAL 18 A G 4 5 L 6 N 1 WIRE ELECTRICAL 18 A G 5 0 L 1 N 1 CHAS BA SE PLATE ALLMINLM 1 COVER PLLG I OLE 1 36 X0 42 L ALLMINLJ 1 Mfr Cooe Mfr Part No TK2133 FN323 3 05 80009 211 0380 00 TK0935 1802 1121 80009 196 3205 00 80009 196 3207 ...

Page 117: ...ACHINE 4 40 X0 312 PNH STL TK1543 B80 00020 003 _ a 9 210 0586 00 2 NUT PL ASSEM WA 4 40 X0 25 STL CD PL 78189 211 041800 00 C re 10 200 3171 00 1 COVER NUT W DRESS NUT PLASTIC 80009 200 3171 00 C _ 11 352 0700 00 1 t LDER LED PLASTIC 2 PIECE 58361 CMP52 It END ATTACHING PARTS rr 12 174 1225 00 1 CA ASSY SP ELEC 34 28 A AJ 15 0 L RIBBON 80009 174 1225 00 13 174 1222 00 1 CA ASSY SP ELEC 10 28 A AJ...

Page 118: ...TORX TlS 01536 ORDER BY DESCR Q END ATTACHING PARTS 10 27 344 0133 00 2 CLIP SPR TNSN CKT BOARD MT WHITE 80009 344 0133 00 u ATTACHING PARTS C 2 28 210 0586 00 1 NUT PL ASSEM WA 4 40 X0 25 STL CD PL 78189 211 041800 00 ENO ATTACHING PARTS E olS 29 118 8447 01 1 VIDEO 1 0DULE MONO EGA CLIPPEO PIN 10 80009 118 8447 01 OPTIOO 33 ONLY ctl ATTACHING PARTS u 30 211 0040 00 2 SCREW MACHINE 4 40 X0 25 Boo...

Page 119: ...ESCR i END ATTACHING PARTS 35 131 4603 00 4 CONN RCPT ELEC 2 PIN JLMPER TK1650 531220 1 rt 36 156 3650 00 4 MICROCKT OOTL t OS 262144 X9 DRAM MODULE 80009 156 3650 00 C 37 119 3312 00 1 MJDULE REAL TIME CLOCK MICROCKT 80009 119 3312 00 CD 119 3929 00 1 MICROCKT KIT SCSI INTERFACE CHIP 80009 119 3929 00 1 156 3774 00 1 IC MOORY DRAM 1 MEG X9 MODULE 120NS 80009 156 3774 00 Is _ cu n Bl c C1 r1 n cu ...

Page 120: ... I ...

Page 121: ...ON THE POWER NO NO YES REPLACE CPU BOARD CHECK JUMPERS ON PC BOARD 5 FOR DRIVES NO CHECK VIDEO BOARD JUMPERS CHECK ALL CONNECTORS ON INTERFACE VIDEO AND CPU BOARDS W100 W101 W105 P160 P170 P150 J1 J2 P1001 P1011 P1091 AND P1041 Figure 9 15 Trouble hooting tree 2402A TEKMATE Hardware Users Manual Diagrams 9 15 ...

Page 122: ... CONNECT MONITOR NO CHECK VIDEO OUT CABLE P1001 YES 1 USE A GOOD DISK YES NO SWAP THE AAND BDRIVES REPLACE VIDEO BOARD REPLACE RAM Figure 9 15 Troubleshooting tree cont 9 16 2402A TEKMATE Hardware Users Manual ...

Page 123: ...PPLY BOARD J2 J3 J4 DISCONNECT W101 W100 P150 P1011 P1091 P1041 P1001 REPLACE POWER SUPPLY CHECK REPLACE FUSE CHECK WIRING TO POWER SUPPLY PLUG CABLES BACK IN ONE AT A TIME UNTIL POWER GOES AWAY REPLACE BAD CABLE Figure 9 15 Troubleshooting tree cont 2402A TEKMATE Hardware Users Manual Diagrams 9 17 ...

Page 124: ...OARD NO REPLACE CPU BOARD RECONNECT PC BUS CABLE W105 REMOVE AU BOARDS FROM EXPANSION SLOTS REPLACE BAD BOARD PLUG BOARDS BACK INONE AT A TIME UNTIL THE POWER GOES AWAY NO REPLACE INTERFACE BOARD 7860 28 Figure 9 15 Troubleshooting tree cont 9 18 2402A TEKMATE Hardware Users Manual ...

Page 125: ...ST 80009 061 3752 00 C m 070 7855 00 1 MA NUAL TECH INSTALLATION GUIDE 2402A FIELD 80009 070 7855 00 c OPTION 01 ONLY CD 070 7857 00 1 MA NUAL TECH USERS 2402A DSO lJTIL SOFTWARE 80009 070 7857 00 l TI _ OPTION 01 ONLY 070 7858 00 1 MANUAL TECH DSO UTILITY PROGRAM DEVELOPMENT 80009 070 7858 00 r SYSTEM VOL 1 rJ OPTION 41 ONLY 070 7859 00 1 MANUAL TECH DSO UTILITY PROGRAM DEVELOPMENT 80009 070 7859...

Page 126: ... 016 0078 01 1 I W 1JirJARE KIT l lJNT NG KIT 2402A 80009 016 0078 01 016 1013 00 1 CARRIER PO T STEP SLIDE 41 5 H 175 LBS CAP 80009 016 1013 00 10 u 020 1747 00 1 CGIPONENT KIT US QUICKSTART 80009 020 1747 00 s 1 OPTIOO 2F l 020 1748 00 1 CGIPONENT KIT EUROPEAN QUICKSTART 80009 020 1748 00 E OPTION 3F al 5 020 1863 00 1 OPT ACCESSORY K DINlNOSTICS FOR 2402A S W 80009 020 1863 00 LOOPMCK 10 u 062 ...

Page 127: ... Diagrams Interface board SIMM Strips DRAM Figure 9 1 2402A board locator 2402A TEKMATE Hardware Users Manual 7860 20 9 1 ...

Page 128: ...Diagrams 7880 21 Figure 9 2 CPU board locator 9 2 2402A TEKMATE Hardware Users Manual ...

Page 129: ...Diagrams w _ CG _ C _ 1 I ti o _ w _ 1 oa c J c 1 1 c _ L _ f I t t O l J I l _ _ 7 1 J j c I 7860 29 Figure 9 3 CPU board 2402A TEKMATE Hardware Users Manual 9 3 ...

Page 130: ...Diagrams 9 4 SIMM Strips DRAM Figure 9 4 SIMM strip DRAM and Coprocessor board locators 7860 22 2402A TEKMATE Hardware Users Manual ...

Page 131: ...Diagrams Coprocessor Board 7860 30 250KSIMM 000000000 1 1 MEG SIMM D DDDDDDOO 7860 31 Figure 9 5 SIMM strips DRAM and Coprocessor boards 2402A TEKMATE Hardware Users Manual 9 5 ...

Page 132: ...Diagrams Video board 7860 23 Figure 9 6 Video board locator Option 33 or Option 34 9 6 2402A TEKMATE Hardware Users Manual t ...

Page 133: ...Diagrams C103 U2 WJ W4 c 106 CI07 i ll6 tc oii7 C109 U14 7860 32 Fjgure 9 7 Video board Option 33 2402A TEKMATE Hardware Users Manual 9 7 ...

Page 134: ...7 UI J U15 U19 109 Ul 1 U5 UII U9 01 _ i t _ _J u U2 UJ 1 ClO CIS Cll ClJ R6 C6 C14 R4 RS R13 C7 R7 D1 Rl4 Lfri I Re RIS jRIO R9 C1_6 CID 1 RJ R i C20 C12 C21 ce J 2 JJ 2 16 J2 2 10 W5 W4 WJ I w2j 1 wq J2 7860 29 Figure 9 8 Video board Option 34 front and rear view 2402A TEKMATE Hardware Users Manual ...

Page 135: ...Diagrams GPIB board 7860 24 Figure 9 9 GPIB board locator 2402A TEKMATE Hardware Users Manual 9 9 ...

Page 136: ...0 l o o orM v 0 o cr1Bo D C ct 0 u j 0 U7 0 l 0 0 1 1 1 0 0 0 1 o U19 o 0 C 0 J 0 UB ci 1 1 I 0 0 0 0 c J Cl 0 0 0 1 0 0 U20 0 0 0 0 C 0 Figure 9 10 GPIB board CJ 0 0 0 C5_j CJ 0 0 0 _ 0 c 0 0 0 0 o u220 0 0 c 0 L ii J 1 0 0 CcaJ 1 0 0 0 0 U23 c 0 0 0 0 l 2 1 11 1 1 j lt1 i i ___i 7860 33 2402A TEKMATE Hardware Users Manual ...

Page 137: ...Diagrams Interface board 7860 25 Figure 9 11 Interface board locator 2402A TEKMATE Hardware Users Manual 9 11 ...

Page 138: ...Diagrams 7860 34 Figure 9 12 Interface board 9 12 2402A TEKMATE Hardware Users Manual l ...

Page 139: ...Diagrams 7860 26 Figure 9 13 Power Supply board locator 2402A TEKMATE Hardware Users Manual 9 13 ...

Page 140: ...CJ r I ca CJ Ill CJ il l L__ I g El J Edr dr CJ i C I tdii n1 CJ m ifi _ it1 iJ i L J 1 i IL l L 8dr L J l ltl _ ti Ltl I c _ V _ p ldr 1 lt l 7860 35 Figure 9 14 Power Supply board 2402A TEKMATE Hardware Users Manual ...

Page 141: ...t r t to 0 1 lRIZ S INC 7 1 MONITal VERT u llB 15 c a f Tl J k I O QI Q K A2 I O QI a K f o r r k I DI DI ll5 ll5 D4 N D4 D3 Kl DS D2 M _ M 1 2 D1 NI _ _ D1 DD AID AtD DD 1 0QIRDY A t At 1 0QIRDY AEN At A12 AEN GNI Vo GND Ydcl GNI 12V GND AIME SVNCIYS INC lOADQ OCKMSVNC SHFTQ OCK DRIVE Vo 12VNYGTQ K SV GNI U O uo UD2 U03 lDD l01 lD2 l03 A11 At A s A11 Al8 1 At At8 At7 1 At At7 Atl t t A11 AtS 1 _1...

Page 142: ......

Page 143: ...standard factory settings Default Settings To return the TEKMATE to the default factory settings place the jumpers switches and configuration RAM into the default positions shown below CPU Board Jumper Locations NOTE Pin 1for all CPUboardJumpers except W13 and W21 is eithertoward the front orleft side ofthe instrument depending on which axis the jumper group occupies The pin numbering convention f...

Page 144: ...ppendix A A 2 I 1 1 H _ Ir _ n 1 J i J ll Y 5 0 i J rr 1 i f J CJ _ I 0 t i fl ft o r f 1 fi jc llt _ i l I J l r 7880 38 Figure A 1 CPU board default Jumper locations 2402A TEKMATE Hardware Users Manual ...

Page 145: ...change W9 Off Do not change WiO On Pins 2 and 3 Do not change Wi1 On Pins 1 and 2 Do not change Wi2 On Pins 2 and 3 Byte wide memory socket setup Wi3 On Pins 3 and 4 Byte wide memory socket setup Wi4 On Do not change W15 Off Do not change Wi6 On Do not change Wi7 On Do not change Wi8 Off Do not change Wi9 On Dual speed floppy enable W20 On Pins 1 and 2 Byte wide merpory socket setup W21 On Pins 5 ...

Page 146: ...d POST Error Halt Table A 2 NOVRAM Setup Default 1 44M 1 44M or None Optior 21 None None None or EGA Option 33 640 Kbytes 384K bytes or 1408K bytes Option 45 Full Speed No halt on errors TableA 3 EEPROM General Setup Parameter U32 Byte Wide Socket U33 Byte Wide Socket Primary Serial Port J3 Data Length Stop Bits Parity Baud Secondary Serial Port J2 Data Length Stop Bits Parity Baud Parallel Port E...

Page 147: ... Inactive Id 7 Lun 7 Not Installed or SCSI Device number 0 Option 21 Not Installed Not Installed Not Installed 1st Floppy Drive 10 Video Board Option 33 Jumper Locations Table A 2 lists each Video board jumper and its factory default position Figure A 2 on the following page shows the location of the Video Board jumpers Table A 2 Video Board Default Jumper Locations Jumper Default M C Off EGA On S...

Page 148: ...Appendix A J i j 7880 39 Figure A 2 Video Board jumper locations A 6 2402A TEKMATE Hardware Users Manual ...

Page 149: ... Base 1 0 Address hex OMA Channel Interrupt Line for GPIB TLC talker listener controller Interrupt Line for Clock ON 0 N 1 w 2 X X a 14 en 13 TLC INTERRUPT BASE ADDRESS __________ THIS SIDE DOWNFOR1 X PUSHED IN THIS SIDE DOWNFOR0 Factory Default 02E1 1 17 not used DMA I I I I I I I 1 1 11111 12 13 14 15 16 17 THE PINS LABLED CLK MAY NOT BE PRESENT ON YOUR GPIB BOARD Rl Al R2 A2 R3 A3 JUMPER Figure...

Page 150: ... 01 o c U20 0 1 u1ei t u1J 0 0 1_ c io 01 io 0 DNA I 111 1I I 11 12 i I OI J Pi I I U10 o _ 1 1u211 r 1 lo V l Oi c o 1 0 olu22 0 c12 TLC INTERRUPT SELECTION OMA CHANNEL SELECTION Figure A 4 GPI_B board jumper locations 1113 I L i C2 I I U11 0 7860 40 2402A TEKMATE Hardware Users Manual ...

Page 151: ...s contain information that is essential for directly programming the CPU and its controllers IBM Technical Reference Personal Computers AT Document number 1502243 IBM Disk Operating System Version 3 30 Document number 80X0667 IBM Disk Operating System Technical Reference Document number 80X0945 The Peter Norton Programmer s Guide to the IBM PC Microsoft Press A Division of Microsoft Corporation 10...

Page 152: ...AppendixB 8 2 r l l I i 61 l i 1 I 1 _ _ r t P r G t 7860 38 Figure B 1 CPU board jumper locations 2402A TEKMATE Hardware Users Manual ...

Page 153: ...ce On board DRAM can supply 384K bytes or more of extended memory Jumpers must be set to enable on board extended mempry and 1M byte or more of DRAM must be installed 0F0000 oFFFFFh ROM BIOS sockets U10 and U11 U10 contains the odd address byte and Ul1 contains the even address byte A startup vector is contained at 0FFFFFh 0E0000 0EFFFFh Duplicates on board memory at 0F0000 0FFFFFh Reserved for fu...

Page 154: ...directly refer to the individual technical data sheets for the components used These are available from the device manufacturers Except for the SCSI controller and configuration EEPROM access register 1 0 port functions and addresses are identical to a standard AT from a programming perspective If direct programming of the standard 1 0 peripheral interfaces is necessary refer to one of the referen...

Page 155: ...ontroller ports AIC 6250 0360 036Fh Reserved 0300 031Fh Reserved 02F8 02FFh Secondary Serial port 0278 027Ah Secondary parallel printer port 0200 0207h Reserved 01F0 01F8h Reserved for AT bus hard disk controller 00F0 00FFh 80287 math coprocessor Option 39 0OF1 Reset 0OF0 Clear busy 00C0 00DFh OMA controller 2 8237 equivalent 00A0 00BFh Interrupt controller 2 8359 equivalent 0080 009Fh OMA page re...

Page 156: ...ll the first one it finds as LPT1 regardless of which option has been configured The PRINTER port should normally be configured for 378 37Fh 0fv7 shorted unless another parallel port interface is present on the bus Printer Port Input B 6 The printer port is functionally identical to that found in a standard AT with one exception its eight data lines support bidirectional 1 0 To read the data lines...

Page 157: ...led there will be no BIOS support for the SCSI SCSI Jumper Options The SCSI interlace can be configured to use either DMA channel 1 or 3 for data transfer control OMA Channel 3 corresponds to a standard PC s fixed disk adapter and is used as the default by the CPU board s SCSI BIOS You can alter these assignments relative to the defaults but this will sacrifice SCSI BIOS and SCSI utilities compati...

Page 158: ...f floppy drives to the TEKMATE 8 8 The drives used must be compatible with the TEKMATE s floppy disk interface as described below In general any PC compatible drive will do High quality DC servo direct drive motor floppy disk drives are recommended Any combination of supported drives can be used See Table 8 9 The number and capacity of floppy drives must be initialized in the Configuration Memory ...

Page 159: ...0K and 300K bits second and the drive s rotational speed changes between 300 and 360 RPM as well Jumper W19 is used to select between the two types of dual capacity drives see Table 8 9 W19 On Off Table B 9 Dual Speed Drive Option Function Dual speed operation enabled Dual s ed o eration disabled Table 8 10 shows the pinout and signal definitions of the floppy disk interface connector J8 The conne...

Page 160: ... provide approximately 4 mA source and sink currents for peripheral cards with TTL compatible signal levels 8 10 Some expansion cards have asynchronous TTL inputs that are especially vulnerable to cable noise and crosstalk In particular the active high RESET line is one to watch out for If this signal is found to be susceptible a 200 pF to 500 pF capacitor connected between the RESET signal and gr...

Page 161: ... are required for the instrument to operate Table B 15 On board DRAM Memory Size Jumpering SIMM SIMM SIMM W3 W4 ws SYSTEM EXTENDED QUANTITY TYPE LOCATION MEMORY MEMORY 2 256K U1 2 off on on 512K OK 4 256K U1 2 3 4 on off on 640K OK 4 256K U1 2 3 4 off off on 640K 384K1 2 1M U1 2 on on off 512K OK 2 1M U1 2 off on off 640K OK 2 1M U1 2 on off off 640K 1408K 4 1M U1 2 3 4 off off off 640K 3456K 1Def...

Page 162: ... 1 2 3 1 2 2 3 1 2 1 2 2 3 16 MHz 100 nS 1 2 3 1 2 2 3 1 2 1 2 2 3 Byte Wide Memory The TEKMATE has two on board byte wide memory device sockets which can be used for simple program storage The specific jumpering requirements for each type of device are given later in this Appendix The board s two byte wide memory sockets U32 and U33 are used with either EPROM s or nonvolatile RAM NOVRAM devices T...

Page 163: ... a paged EPROM which internally contains eight 16K EPROM pages selected by a specific write to the device These 16K pages reside in a 32K byte address window and are mirrored i e appear at multiple address within the 32K byte socket window Table B 16 U32 and U33 Device Jumpering U32 U33 SIZE DEVICE TYPE W12 W13 W20 W21 8K 2764 EPROM 1 2 1 2 1 2 1 2 16K 27128 EPROM 1 2 1 2 1 2 1 2 32K 27256 EPROM 1...

Page 164: ...must be set for EGA The factory default is W22 on Table B 18 Video Display Mode VIDEO MODE Monochrome MDA or Hercules Color CGA or EGA W22 on off In addition to setting W22 the desired power up video mode must also be specified in the Configuration Memory using SETUP COM If the setting of W22 and the parameters in the Configuration Memory do not match an error message will be displayed during powe...

Page 165: ...the EEPROM SETUP COM The program SETUP COM can be used to initialize the nonvolatile Configuration Memory RAM and EEPROM Configuration parameters used by the ROM BIOS establish the system setup at power up or reset Menus shown in the figures that follow show the default settings for the configuration parameters Parameters stored within the Configuration Memory are Real time clock Date and Time Flo...

Page 166: ...e E option allows you to save the current configuration as a file on a disk A Edit NOVRAM Setup B Edit EEPROM General Setup c Edit EEPROM SCSI and Drive Setup D Edit OEM Data E Write Parameters to a file Enter Selection ESC exits to DOS Figure B 2 SETUP COM Main Menu When the menu is displayed enter the letter of the menu item you want to change Leaving SETUP COM Press escape ESC to return to the ...

Page 167: ...ve number Drive number 0 1 16 08 45 9 01 89 1 44M 1 44M Type Cyls E AT Bus HDC drive Hds 0 PreCmp Landing Secs None F AT Bus HDC drive 1 G Video Mode H Base Memory I Extended Memory J CPU Speed None EGA 640 Kbytes 384 Kbytes Full Speed K POST Error Halt No halt on errors Enter Selection ESC returns to main menu Figure B 3 Menu A NOVRAM Setup general setup part 1 If SCSI drives are used hard disk d...

Page 168: ...Wide Socket Enabled B U33 Byte Wide Socket Enabled C Primary Serial Port J3 Enabled D Data Length 8 bits E F G Stop Bits Parity Baud H Secondary Serial Port J2 I J Data Length Stop Bits K Parity L Baud M Parallel Port N Expansion Bus Speed 0 SCSI BIOS Services 1 stop bit No Parity 9600 Enabled 8 bits 1 stop bit No Parity 9600 Enabled Half Speed Enabled Enter Selection ESC Returns to Main Menu Figu...

Page 169: ...mber 3 Inactive Id 7 Lun 1st Physical DOS Hard Disk SCSI Device number 2nd Phys i cal DOS Hard Disk 0 I O f 0 Not Installed 3rd Physical DOS Hard Disk Not Installed 4th Physical DOS Hard Disk I o I O o Not Installed Primary Boot Device 1st Floppy Drive SCSI Read Write Retries DOS use 10 0 7 7 7 0 Enter Selection ESC Returns to Main Menu Figure B 5 Menu B EEPROM General Setup general setup part 2 E...

Page 170: ...e If less than four devices are used set the status of the unused device numbers to inactive After a SCSI device is defined it can be specified as a Physical DOS Hard Disk _ using F through I of this menu Each Physical DOS Hard Disk can have a type of SCSI Device AT Bus HOC or Not Installed Each SCSI Device must also be numbered number 0 number 1 number 2 or number 3 to reference the devices defin...

Page 171: ...Enter leaves the rest of line intact and goes to next line ESC returns to main menu x marks nibble that cannot be modified off O 1 2 3 4 5 6 7 00 FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF 00 18 Figure B 6 Menu D Edit OEM Data All changes are in hexadecimal Use SPACE BACKSPACE and RETURN to move to the nibble you want to change Entering a hexadecimal digit changes the nibble and moves to the right 1 ...

Page 172: ...le name test jeh in the following example the program displays a message similar to Writing parameters to test jeh Press any key to continue When the data has been saved pressing any key will return to the menu Repeatedly press escape SC until you return to the main menu Press SC again to return to the MS DOS prompt Saving Changes If you have changed any of the setup parameters SETUP COM asks if y...

Page 173: ...y If the drive is larger than 32 megabytes in capacity use the SCSIEDIT COM SCSI parti on editor to prepare the drive for DOS access Refer to the description of SCSIEDIT COM Two cases exist If you are using PC DOS or MS DOS 3 x with a drive larger than 32M bytes but less than 128M bytes use SCIEDIT to partition the drive as two or more partitions each 32M bytes or smaller If you are using DR DOS v...

Page 174: ... can actually access the additional partitions NOTE DR DOS allows use ofSCSI drives up to 142 megabytes without partitioning However you must still use SCS EDtrCOM to delete all partitions prior to running the DR DOS FD SK utility OPERATION B 24 NOTE Before you use SGS EDIT the drive to be partitioned must be formatted using the hard disk format utility SCSIFMrEXE version 4 0 or later In addition ...

Page 175: ...any information required as each option proceeds The main menu options used are 1 Select Hard Disk Drive This is used to specify the location of the drive you will be partitioning For example when you select option 1 Select Hard Disk Drive you will be prompted for a controller SCSI ID and a drive Logical Unit Number LUN What is the SCSI ID of your controller 0 7 O Which drive on the controller 0 3...

Page 176: ...linders X heads X sectors X 512 bytes 4 Remove DOS Partition Option 4 is used to remove partition s from DOS use This option is not generally used 5 Set BOOT Partition Option 5 is used to specify which partition DOS shall boot from on power up or reset The boot partition must have cylinder Ospecified as its Start cylinder in the partition table and must be the first partition Partition 0 B 26 NOTE...

Page 177: ...embedded SCSI controller Removable media support is also provided The Syquest removable Winchester drive can be used with the Adaptec 4000 and 5000 series SCSI controllers The Magnesys removable bubble memory module SCSI drives are also supported Also drive level bad block lockout is provided during formatting of fixed media on the Adaptec 4000 and 5000 series SCSI controllers SCSIFMT completely r...

Page 178: ... with embedded SCSlcontroller _ these parameters are not required as they are known to the drive s onboard controller When needed these parameters are obtained from the drive s technical manual or data sheet The parameters generally required are Number of cylinders Number of heads Starting cylinder for reduced write current RWC if needed Starting cylinder for write precompensation WPC if needed La...

Page 179: ...U to half speed sets CPU to full speed sets bus to half speed sets bus to full speed displays a help screen displays current speed status In addition both the bus and CPU half speed options can be set with one command For example C SETSPEED B LO P HI sets bus to half speed cpu to full speed These commands might be included in batch files that invoke specific application programs that require alter...

Page 180: ... system s boot drive DEVICE SCSIDRIV SYS Ss LI Pp Each such line defines a drive or a drive partition Three numbers s 1 p indicate the drive s SCSI Target ID the drive s Logical Unit Number LUN and the partition number on the drive which are defined as follows s SCSI bus ID This number from Othrough 7 corresponds to jumper settings on the SCSI drive or controller Refer to the drive or controller s...

Page 181: ...s once they are formatted and prepared for DOS access EXAMPLES The following CONFIG SYS command defines the second partition P 1 on a SCSI boot drive ID 0 LUN 0 DEVICE SCSIDRIV SYS SO LO P1 The following pair of CONFIG SYS commands define two additional system drives DEVICE SCSIDRIV SYS S1 LO Po DEVICE SCSIDRIV SYS S2 LO Po drive at ID 1 LUN 0 1st partition drive at 10 2 LUN 0 1st partition NOTE T...

Page 182: ... ...

Page 183: ...haracters Hercules Monochrome Graphics 720 x 348 The option interfaces with standard EGA also called ECD CGA Monochrome and Variable Scan Rate monitors The video mode can be set using jumpers or it can be initialized under software control In addition onboard auto switch logic can be used to dynamically adjust the board s video mode to that required by the software in use The option also includes ...

Page 184: ...e Monitor Type Resolution Colors Format Font Pgs 0 1 C E V text 320x 200 16 64 40x25 8x8 8 0 1 E V text 320x 350 16 64 40x25 8x14 8 2 3 C E V text 64 0 X 200 16 64 80x25 8x8 8 2 3 E V text 640x 350 16 64 80x25 8x14 8 4 5 C E V graphics 320 X 200 4 64 1 6 C E V graphics 640 X 200 2 64 1 7 M V text 720x 350 b W 80x25 9x14 8 7 M V graphics 720x 348 b w 8 D C E V graphics 320 X 200 16 64 8 E C E V gra...

Page 185: ...20x 350 b w 80x25 9x14 8 7 M V graphics 720x348 b w 8 Notes 1 Mode 7 graphics Is Hercules compatlble monochrome 2 Monitors E EGA C CGA M Monochrome V Variable Scan Rate Monitor Specifications The option can operate with a variety of standard PC and AT compatible video monitors including EGA ECD CGA Monochrome and Variable Scan Rate monitors Tables C 1 C 2 and C 3 indicate which type of display can...

Page 186: ... This part explains how to set each of the board s jumper options NOTE The power up configuration parameters on the CPU board must also be set to match the start up mode of the Video board A group of ten jumper pairs located along the edge of the board is used to configure the option for the type of monitor that will be connected to It and for the normal power up reset video mode that will be used...

Page 187: ...ers You can select which personality EGA CGA or MDA Hercules the board is to have by means of jumper settings This selection of display Adapter Type is based on the setting of two of the Mode Switch jumpers SW5 and SW6 as shown in Table C 5 In the table on means the jumper pin pair SW5 and SW6 is shorted off means it is unshorted 2402A TEKMATE Hardware Users Manual C 5 ...

Page 188: ...n jumpered for this option the option becomes fully software and hardware compatible with a standard Hercules monochrome graphics MDA display adapter but loses its higher resolution EGA display modes Alternatively when jumpered for EGA Adapter Type the mode switch jumper settings of the option like those of most EGA compatible display adapters offer a Hercules monochrome emulation mode option Usin...

Page 189: ...rst option represents 80 x 25 color text display with an 8 x 8 character font for display on a CGA monitor the second option is identical to the first but for use on an EGA or VSR monitor the_ third option is similar to the second except that an 8 x 14 font is used and the display utilizes 640 x 350 instead of 640 x 200 pixels The advantage of the first of these three options is that the hardware ...

Page 190: ...0 x200 16 64 0001 E C E V graphics 640x200 16 64 0001 F M graphics 640x350 b W 80x25 8x14 x101 10 E V graphics 640 x350 16 64 1001 Notes 1 Mode 7 graphics Is Hercules compatible monochrome 2 Monitors E EGA C CGA M Monochrome V Variable Scan Rate 3 For SW1 4 1 unshorted 0 shorted x don t care 4 SW5 SWB must be shorted shorted 0 0 for these modes Table C 7 Video Mode Selection CGA Adapter Type Mode ...

Page 191: ...nect J1 pin 3 to either Ground or to the Secondary Red signal for compatibility with interface cables of the supported types of monitors Set the M C and EGA jumpers as indicated in Table C 9 In the table on shorted and off unshorted Never short both MIC and EGA as it will damage the board Table C 9 Monitor Compatibility Jumpers Monitor type MIC EGA Monochrome on off CGA on off EGA ECD off on Varia...

Page 192: ...ity will be Inverted W5 Vertlca Sync Polarity C 10 W5 allows the vertical sync pulse to be inverted This jumper Is a 3 pin jumper group and normally contains a trace shorting pins 1 and 2 If you cut the trace and short pins 2 and 3 Instead the vertical sync signal polarity will be inverted Be certain that you have Jumpered the video option board correctly for both the video mode and the type of mo...

Page 193: ... is provided If you require the use of a light pen interface add a 6 pin connector 0 1 center 0 025 square pins The pinout of the connector is indicated in Table C 10 TableC 10 Light Pen Connector J3 Signal 1 Light pen input 2 no connection 3 Light Pen switch 4 Ground 5 5VDC 6 12V DC No pins Installed 2402A TEKMATE Hardware Users Manual C 11 ...

Page 194: ...IBM Color Graphics Adapter CGA 16 colors 640 x 200 IBM monochrome Display Adapter MDA 80 x 25 characters Hercules Monochrome Graphics HGC 720 x 348 The option Interfaces with standard VGA EGA also called ECO CGA Monochrome and Variable Scan Rate monitors The video mode is initialized under software control The option also includes C 12 256 K graphics memory Flicker free screen updates High Resolu1...

Page 195: ... 16 64 40x25 Bx 14 1 VGA text 360x400 16 256K 40x25 9x 16 2 CGA text 640x200 b w 80x25 8x8 2 EGA text 640x350 b w 80x25 8 X 14 2 VGA text 720x400 b w 80x25 9 X 16 3 CGA text 640x200 2 16 80x25 8x8 3 EGA text 640 X 350 16 64 80x25 8 X 14 3 VGA text 720x400 15 256K 80x25 9 X 16 4 CGA graphics 320x 200 4 16 8x8 5 CGA graphics 320x200 b w 8x8 6 CGA graphics 640x200 b w 8x8 7 MDA text 720x350 b w 80x25...

Page 196: ...gram CRT Interface Connector J2 The Option 34 Video board provides a single analog output for CRT monitor at the dual row 10 pin header J2 no TTL type video output is supported Use of the dual row header allows transfer of the output signals to a female high density DB 15 rear panel connector through the use of a 10 wire flat ribbon cable It is important to keep the video transition cable as short...

Page 197: ...ort 1 2 60 Hz refresh Short 2 3 70 Hz refresh W1 IRQ2 Enable IRQ2 is used by some graphic software to allow CPU to update display memory contents during vertical retrace time In most of the daily applications this is not needed The disable of IRQ2 will allow other boards in the system to generate the interrupt signal and use it for other purposes W2 AC Drive Option This option allows you to config...

Page 198: ...s voltage is presented at pin 5 of connector J3 through W5 when It is shorted Again as previously noted neither W3 nor W4 can be shorted when W5 Is shorted W6 Flat Panel Refresh Rate Selection The setting of W6 determines the master oscillator frequency for the flat panel Interface timing The options available are either 14 318 MHz 60 Hz refresh from the PC bus short 1 2 or 16 257 MHz 70 Hz refres...

Page 199: ...sed by some LCDs to provide the square wave signal of LCD drive Refer to the previous description of W2 AC Drive Option for more details Vo 12V WGTCLK Depending on which of the three jumpers W3 W4 or W5 is shorted this pin will supply either bias voltage for LCD panels 12V DC for EL panels or Weight Clock which is used as a gray level reference Refer to the previous description of W3 WGTCLK Option...

Page 200: ... present on connector J3 at pin 6 Its source is the same as the board s logic power which is supplied via the PC bus interface The video board generates neither Vee nor Vo on the Board You can wire tt e additional Vee and Vo power if needed directly into a custom LCD interface cable or you can provide these voltages through the video board Flat Panel Interface Connector J3 If the latter option Is ...

Page 201: ...d to use the standard factory settings GPIB Subsets The GPIB interface has been designed to the IEEE 488 1975 78 Standard with the 488A 1980 supplement Implemented subsets are as shown in Table D 1 Data rates for programmed 1 0 are up to 20K bytes per second The DMA data rate is typically 300K bytes per second The maximum number of devices that can be connected to the bus is 14 Maximum cable lengt...

Page 202: ...ded talker Serial poll Talk only mode Send END or EOS Unaddressed on MSA and TPAS Complete Listener capability Basic Extended talker Serial poll Talk only mode Unaddressed on MTA Detect END or EOS Dual primary addressing Complete extended listener capability Basic Listener Listen only mode Detect END or EOS Unaddressed on MSA and LPAS Complete Accepter Handshake capability Complete Device Clear ca...

Page 203: ... when the GPIB 1 0 address is present on the 1 0 channel and enables read and write access to the GPIB ADAPTER BUFFERING AND DATA ROUT NG handles data transfer between the 1 0 channel and the GPIB ADAPTER through a bidirectional internal data bus INTERRUPTARBITRATION recognizes when interrupts have been enabled or disabled and passes or inhibits them accordingly OMA ARBITRATION recognizes when OMA...

Page 204: ...ata to and from the GPIB Special purpose multi function transceivers not shown in the diagram interface the GPIB ADAPTER to the GPIB DATA CONTROL BUFFERING ADDRESS AND µPD7210 DATA GPIB ROUTING ADAPTER r l I EXPANSION BUS CONNECTOR ADDRESS DECODING 0 4 J A INTERRUPT ARBITRATION _ I l I CONFIGURATION SWITCHES AND JUMPERS OMA _ ARBITRATION _ _ Figure D 1 GPIB block diagram j l 1 r QPIB CONNECTOR DAT...

Page 205: ...address bits access hardware registers on the board and the higher address bits select a block of consecutive addresses The GPIB board on the other hand uses the scheme shown in Table D 2 Table D 2 Address Lines A15 A14 A13 A12 A11 A10 A9 AB A7 A6 AS A4 A3 A2 A1 AO CB BRR R 1 1 1 1 0 0 0 0 0 1 where B is a user selectable base address bit R is a register address bit decoded by the hardware C is a ...

Page 206: ...nels and either change the other cards channel s or the GPIB channel s to resolve conflicts Table D 3 GPIB Interface Default Settings Factory New Interface Card Default Value Optional Base 1 0 Address hex 02E1 22E1 42E1 62E1 OMA Channel 1 2 3 None not used Interrupt Line for GPIB TLC 17 12 13 14 15 16 None talker listener controller not used Interrupt Line for Clock not used 12 13 14 15 16 17 NOTE...

Page 207: ... THIS SIDE DOWNFOR0 12 13 14 15 16 17 THE PINS LABLED CLK MAY NOT BE PRESENT ON YOUR GPIB BOARD TLC INTERRUPT BASE ADDRESS AppendixD OMA 1 1 11111 Rl Al R2 A2 R3 A3 JUMPER 7860 11 Figure D 2 GPIB board default 1 0 base address and jumper settings 2402A TEKMATE Hardware Users Manual D 7 ...

Page 208: ... addresses and the following addresses Figure D 4 shows the address map for each base address RI U4 lo U12 a R14 I r 0 uz lc us u v lo o J 0 O o U6 ir i j oi 10 10 lo 0 0 1 l i rl 1 1 0 r 10 r lo n c o o ir 1 U18 0 o U19 1 _ r 0 01 o o l U20 o D O lo 1 j 1C r i o iO 0 O j DNA Pi uf I i i o __AH J2 I I U10 _ t I 1 L I lo o 1 0 0 1 1 I l i I _ I 0 1 0 0 o u2210 D 0 jo i io c 1 lo c l Jo 1r v I f J I...

Page 209: ...Address of hex 62E1 ADDRESSES USED 02E1 06E1 0AE1 OEE1 12E1 16E1 1AE1 1EE1 82E1 86E1 8AE1 8EE1 92E1 96E1 9AE1 9EE1 ADDRESSES USED 22E1 26E1 2AE1 2EE1 32E1 36E1 3AE1 3EE1 A2E1 A6E1 AAE1 AEE1 B2E1 B6E1 BAE1 BEE1 ADDRESSES USED 42E1 46E1 4AE1 AEE1 52E1 56E1 5AE1 5EE1 C2E1 C6E1 CAE1 CEE1 D2E1 D6E1 DAE1 DEE1 ASSRESSES USED 62E1 66E1 6AE1 6EE1 72E1 76E1 7AE1 7EE1 E2E1 E6E1 EAE1 EEE1 F2E1 F6E1 FAE1 FEE1 ...

Page 210: ...ory directly Figure D 5 shows the four allowable jumper configurations OMA I I I I I I I Rl Al R2 A2 R3 A3 a OMA Channel 1 OMA 11111 1 1 Rl Al R2 A2 R3 A3 C OMA Channel 3 JUMPER OMA I I I I I I I Rl Al R2 A2 R3 A3 b DMA Channel 2 OMA I l l I I I I Rl Al R2 A2 R3 A3 d OMA Not Used Jumper in Storage Position 7860 14 Figure D 5 OMA channel options 2402ATEKMATE Hardware Users Manual ...

Page 211: ...X ON THISSIDE N w J CII 14 BASE 13 ADDRESS a Interrupt I Mvel 17 ON 0 X X N X w U17 OJ TLC INTERRUPT CII 14 BASE 13 ADDRESS b lntr rrupt Lwal 16 ON U17 x X X OJ N TLC w INTERRUPT Ao ss c lntarupt Level 15 X PUSHEOIN CLK TLC CLK TLC CLK TLC 12 13 14 15 16 17 12 13 14 15 16 17 12 13 14 15 16 17 THE PINS LABLED CU MAY NOT BE PRESENT ON YOUR GPIB BOARD JUMPER 7860 15 Figur D 6a TLC interrupt options 2...

Page 212: ... 1111 12 13 14 15 16 17 AD n ss ________ Interrupt Level 13 ON U17 X X X J NT UPT 1 1111 I 12 13 14 15 16 17 o _________ f Interrupt Level 12 THE PINS LABLED CLK MAY NOT BE PRESENT ON YOUR GPIB BOARD X PUSHED IN JUMPER 1 1 11111 12 13 14 15 16 17 g Interrupt Not Used 7860 16 Figure D 6b TLC Interrupt options 2402A TEKMATE Hardware Users Manual ...

Page 213: ... information a programmer needs to produce a BIOS Extension capable of automatic power up execution without the use of DOS How a BIOS Extension Works As mentioned above the ROM BIOS contains a mechanism for loading programs directly from EPROM prior to booting DOS These programs are called MBIOS Extensions and can be contained in one or both of the CPU board s two spare byte wide memory sockets U1...

Page 214: ...t can take control of the system before any attempt to boot DOS is made Checksum Prior to transferring control to a BIOS Extension the ROM BIOS performs a checksum calculation on the number of blocks of the BIOS Extension indicated by the SIZE byte and verifies that the result is zero The checksum process consists of a simple additive sum modulo 100 hex beginning with the 55AA ID bytes and includi...

Page 215: ...tialize the run time code Places stack in RAM all else is in ROM lnit Blocks Entry point Entry PROC FAR db 055h 0aah db 1 int 012h mov cl 6 shl ax cl sub ax 01000h mov bx ss mov ex sp mov ss ax mov sp Offffh push ex push bx call MainCode 2402A TEKMATE Hardware Users Manual ID pattern of 512 blocks code data get number of Kbytes in divide by 64 to getparagraph address 64 Kbytes for stack get caller...

Page 216: ...ns MainCode lea MainCodeloop cld lodsb or jz mov mov int jmp MainCodeExit ret Message db MainCode PROG E 4 PROC NEAR si Message al al MainCodeExit ah 14 bl 7 010h point to the message insure forward direction get the next chacter is it the end YES exit NO get TTY output parm screen attribute output the character SHORT MainCodeloop loop for more return to BIOS Main Code 13 10 O signon message ENDP ...

Page 217: ...ther standards may not be rigidly followed in all aspects of a particular implementation Various instruments use subsets and variations of the standard because of differing interpretations cost considerations or available technology This can lead to some confusion when supposedly compatible instruments won t talk to each other It also demands that the user have an understanding of the interface in...

Page 218: ...mplementations including the TEKMATE of the RS 232 C Interface use a 9 pln D shell connector which is rapidly becoming a defacto standard Reasons for this vary but one prime motivator is that only a few of the 25 pins are actually used in most implementations and the 9 pin connector is adequate In addition space is often a consideration in most equipment designs and the 9 pln connector requires le...

Page 219: ...by the DTE to Terminal tell the DCE that the Ready DTE is operational Signal None 5 7 Return path for all other Ground signals on the bus Data Set DSR 6 6 Activated by the DCE to Ready tell the DTE that the DCE is operational Request RTS 7 4 Activated by the DTE to To Send tell the DCE that it is ready to receive data Clear CTS 8 5 Activated by the DCE to To Send tell the DTE that it is ready to r...

Page 220: ...rst By connecting the output of the second to the input of the first we also have a path for communication in the other direction In addition four other lines are used to control the flow of data Tnese are called handshake lines and like the data lines are used in complementary pairs There are two types of RS 232 C equipment Data Terminal Equipment DTE such as computers terminals and the TEKMATE a...

Page 221: ...n While we need to remember that the DCE devices modems are in the system they can be thought of as simply knowing how to properly handshake with DTE devices and how to put the DTE data onto the phone lines and get it back off in a format that the DTE devices understand This modem to modem connection can be simulated on the test bench using what is called a null modem cable This is where we will s...

Page 222: ...Appendix F DEVICE 1 DTE DEVICE 1 DTE RTS RTS DEVICE 2 DTE DEVICE 2 DTE 7860 18 Figure F 2 Signal lines and line swapping in a null modem cable F 6 2402A TEKMATE Hardware Users Manual I ...

Page 223: ...ing the other instrument to stop sending must be provided This is accomplished with a second pair of handshake lines called Request To Send RTS and Clear To Send CTS It should be noted that most current implementations of RS 232 C use RTS to mean I can listen instead of I have something to send as originally described in the EIA RS 232 C guidelines The rest of this discussion uses the I can listen...

Page 224: ...D line for the opposite device will be asserted The handshake from the DTE perspective can be summarized as follows Assert DTR I m ready to communicate See DSR I see you re ready too See DCD The communication channel is OK When all of the above criteria are met the actual handshake proceeds with RTS and CTS as follows Assert ATS I can listen now You can send data until I tell you to stop See CTS I...

Page 225: ...em is to eliminate one or both of the handshake line pairs and their associated support circuitry In fact this is conceptually what s done with modems The handshake lines go as far as the modems but can t propagate over the phone lines The only line that really relates to anything happening at the other end of the connection is DCD which simply says that the receiver hears a proper carrier Using a...

Page 226: ...EOT character to mean this is the end of this message or transmission It should be noted here that flow control cannot be reliably used when doing binary data transfers because the values of the XON and XOFF characters also correspond to valid data values Hex or ASCII encoding should be used with flow con1rol Even this encoding protocol mix is not foolproof since noise on phone lines line hits can...

Page 227: ...ert Modem is ready now 6 RxD Modem demodulates pttone data and sends to computer on RxD 7 TxD Send XOFF character I can t accept any more data 8 RTS Unassert RTS Modem don t decode more until RTS is re asserted 9 RTS Asser RTS Modem get ready to listen again 10 CTS Delay slighty from HTS then assert Modem is again ready 11 TxD Send XON I can accept more data now 13 Loop back to 5 until connection ...

Page 228: ...y 2 DCD C rrler detected recieve channel OK 5 TxD Transmit data to modem when ready Modem modulates data onto phone line 7 RxD Receive XOFF character I will stop sending until I see XON 12 RxD XOFF character received I can again send data whenever I have It 13 Loop back to 5 until connection terminated 7860 19 Figure F 3b Typical transmission sequence for two DTE devices connected via modems F 12 ...

Page 229: ...unit or character and how those bits are interpreted Notice that the polarity of the data channels TxD RxD is reversed from that of the handshaking logic For example on a data channel asserted means more negative than 3 volts while for handshaking lines asserted means more positive than 3 volts as described earlier You probably will only need to know this if you have to do low level troubleshootin...

Page 230: ...pt that the number of mark bits is expected to be odd Parity may also be set to mark or space which causes the parity bit to always be sent and checked to be asserted or unasserted respectively Stop blt s 1 or 2 bits always set to mark asserted The last stop bit is the second framing pulse 1 bit Is used almost exclusively 2 bits is a carry over from the days of mechanical teletypes 2 stop bits all...

Page 231: ...o the standard has a female RS 232 C connector An example of a DCE device is a modem Determining Device Type When interconnecting your TEKMATE to other RS 232 C devices you must determine the device type and the connector type From that information the inte connection cable you need can be determined NOTE You cannot reliably determine if a device is DTE or DCE by simply looking at the RS 232 C con...

Page 232: ... cable is sometime referred to as a straight through cable See Figure F 4 for a straight through cable wiring schematic 2 A Null Modem cable or device may be used tointerconnect two DTE or two DCE devices Generally the cable is custom made with RS 232 C connectors that match the devices to be interconnected A null modem cable permits two devices of the same type DCE to DCE and DTE to DTE to commun...

Page 233: ...n DTE Male to 9 pin DCE Female PIN NC 1 2 3 4 5 6 7 8 9 b 9 pin DTE Male to 9 pin DCE Female Figure F 4 Straight Through cable wiring 2402A TEKMATE Hardware Users Manual Appendix F PIN 1 2 3 4 5 6 7 8 9 PIN 1 2 3 4 5 6 7 8 20 22 F 17 ...

Page 234: ...esignations found in Table F 3 correspond to the interconnection illustrations The most used interconnections seen with different RS 232 C devices are covered In the table the information in column 1 Type of Interconnection is interpreted as follows DTE male to DCE female means a DTE type device with a male RS 232 C connector connected to a DCE type device that has a female RS 232 C connector a st...

Page 235: ...h DTE male to Use a straight through cable DCE female terminated on one end with a male connector and on the other end with DTE female to a female connector This is the DCE male standardN cable connection in our discussion DTE female to Use a male to male gender changer DCE female and a standard cable DTE male to Use a female to female gender DCE male changer and a standard cable Null Modem DTE ma...

Page 236: ......

Page 237: ... 2 11 2402A TEKMATE Hardware Users Manual bus drivers GPIB D 2 bus signals 3 1o Bus Speed B 29 byte wide memory B 12 C C1 5 D 2 cabinet removal 7 29 cable noise 8 1 O CGA 3 9 changing an ASCII file 2 10 check disk directory 2 1 o checksum E 2 CHKDSK 2 10 circuit board illustrations 7 9 circuit board interconnection diagram 7 9 circuit board locations 7 9 cleaning 7 3 7 4 cleaning agents 7 3 clock ...

Page 238: ...CII files 2 1 O crosstalk B 1 O current directory 2 5 1 2 D damaged disk 2 3 Data Communications Equipment F 15 data formats F 13 Data Terminal Equipment 3 5 3 6 F 15 Date 2 7 2 9 B 17 DC1 D 2 DCE F 15 default drive 2 5 default settings A 1 DEL 2 9 delete a file 2 9 delete ASCII files 2 10 depth 4 7 DEVICE 2 11 device assignment 3 6 Device Clear D 2 device driver file 2 11 Device Trigger D 2 diagn...

Page 239: ...s accessible 2 11 DT1 D 2 2402A TEKMATE Hardware Users Manual DTE 3 5 3 6 F 15 dual capacity drives 8 9 duplicate disks 2 1 O E E1 D 2 E2 D 2 edit ASCII files 2 10 EDLIN 2 10 EGA 3 9 Index electrical characteristics 4 1 4 2 electrical shock 1 7 electro magnetic interference 4 12 electrostatic discharge susceptibility 4 12 EMI 4 12 Environmental Characteristics 4 9 EPROM B 12 ERASE 2 9 error messag...

Page 240: ... Bus 3 14 I 4 GPIB D 1 base addresses D 5 base 1 0 address D 6 D 8 base 1 0 address options D 9 block diagram D 4 board 9 9 defaults D 7 jumpers A 7 D 5 locator 9 8 removal 7 31 switch A 7 bus drivers D 2 configuration D 5 connector 3 14 4 6 controller D 1 controller capability D 2 DMA channel D 5 D 6 D 10 DMA channel options D 10 functional description D 3 interface default settings 0 6 interrupt...

Page 241: ... 2 K inspection and cleaning 7 3 installation 2 1 keyboard 2 1 2 3 3 6 instrument cooling 1 7 KEYBOARD connector 4 6 instrument options 1 4 KEYBOARD input 4 3 integrated circuits 7 28 interface L board 9 11 board locator 9 1O L3 D 2 board removal 7 32 language support 4 6 parameters F 13 LASTDRIVE 2 11 interior cleaning 7 5 LE3 D 2 interior inspection 7 5 line fuse 1 4 1 5 internal line voltage 1 ...

Page 242: ... 4 4 6 operating system compatibility 4 6 I 6 operating system transfer 2 1 o Operation 2 1 2 3 Option 01 5 2 Option 1P 5 2 Option 1R 5 2 Option 21 5 2 Option 2F 5 2 Option 2P 5 2 Option 33 5 2 Option 39 5 3 Option 3F 5 2 Option 41 5 3 Option 45 5 3 Option A1 5 1 Option A2 5 1 Option A3 5 1 Option A4 5 1 Option A5 5 1 Optional Accessories 1 3 Options 5 1 ordering parts 7 27 output current 4 4 outp...

Page 243: ...rotection 4 5 power consumption 4 5 regulation 4 4 removal 7 30 ripple 4 4 temperature coefficient 4 5 transient response 4 5 undershoot 4 5 2402A TEKMATE Hardware Users Manual power up diagnostics 2 3 power up tests 1 7 2 3 7 11 PP1 D 2 Preparation for Use 1 4 safety 1 4 Index preventive maintenance 7 3 printer 3 5 3 6 4 3 printer connector 3 7 PRINTER port 3 7 PRINTER port jumpering B 6 proce so...

Page 244: ...able type identification F 18 F 19 Clear To Send F 3 F 7 COM 1 3 6 COM 2 3 6 I 8 communication via modems F 10 connector F 1 F 2 F 15 CTRL D F 10 F 13 CTRL Q F 10 F 13 CTRL S F 10 F 13 CTRL Z F 10 CTS F 3 F 5 F 7 data bits F 13 Data Carrier Detected F 3 F 8 Data Communications Equipment F 4 F 15 data formats F 13 Data Set Ready F 3 F 7 Data Terminal Equipment 3 5 3 6 F 4 F 15 Data Terminal Ready F...

Page 245: ...3 Request To Send F 3 F 7 RI F 3 F 5 Ring Indicator F 3 RLSD F 8 RS 232 C interfaces 3 5 RTS F 3 F 5 F 7 RxD F 3 F 5 F 13 2402ATEKMATE Hardware Users Manual serial port 3 5 3 6 signal line names F 4 signals F 3 F 4 space F 13 Index standard cables F 19 standard RS 232 C cable F 16 start bit F 9 F 13 stop bit F 9 F 14 straight through F 16 cable F 16 F 19 cable wiring F 17 cables F 19 transmission ...

Page 246: ...stack resources 2 11 STACKS 2 11 Standard Accessories 1 3 start up 1 7 2 3 I 10 static sensitive components 7 1 handling 7 1 servicing 7 1 storage 7 1 susceptibility to static 7 2 transport 7 1 storage 3 3 switch cleaning 7 7 SYS 2 10 2 11 system boot 3 5 System Configuration B 15 Default Settings B 15 EEPROM B 15 SETUP COM B 15 system RAM 4 2 system reset 2 4 3 5 T T5 D 2 talker capability D 2 TA...

Page 247: ... video board 9 7 7 12 jumper locations C 5 power up tests 7 11 jumpers A 5 C 4 replace the assembly 7 13 locator 9 6 static sensitive components removal 7 32 7 11 verify jumpers 7 12 w visual check 7 12 voltage sensitive components 7 11 weight 4 7 troubleshooting tree 9 14 what is the RS 232 C F 1 9 15 9 16 9 17 width 4 7 TYPE 2 9 write protect 3 3 u write protection 2 2 U15 B 13 E 1 X U26 B 13 E ...

Page 248: ...I ...

Page 249: ... H C H C Iiii H02 iisi gs Kill DlAC ffip iiii TAKO iiP f 1 s f 1_ 33 GND N IAU ODD PIIIS __ FLOPPY OISK DRIVE A mi iiwc tl C H C iiii iiiii iii iHS 1 33 IAIJ 000 PINSI FLOPPY DISK DRIVE 8 OPTIONAL A A3 A2 Al AO GHIi GHIi RESET 5V lADZ 5V DROZ szv H C szv GHIi E IA fciii DA DR113 DACIC1 DRIil 0ACKO CLOCK IAD7 lADG IAO I IAD lR03 T C 1 160 r xx I _ H _ c _ 0 r I r f O L 1 X _ µ E E _F e Ds DO CH ADY...

Page 250: ...ED BOARD OPTJOIUU H C EGA 51111 5117 S116 Sir I 5 4 5113 Sll2 5 1 RPK AWC ___l__lt H C 14 C iDX iiii2 l fil l 2 DIAC STEP iiii iiE TAKO iiP iiiii iis p VI 3 1 33 GND CALL ODO PJNS _ WJISJON IA GND se GICIAR I R D SECOMWIYBLUE l IIJIWIY RED HDRIZIJlll AL SlNC PAJIWIY GIIEEH YEllnCAL SlNC PAllWIY BUE DOT CLK iiociici D7 116 OS o D3 02 Dl DO I 0 CH ADY ABI Al9 A18 Al7 Al Al5 AU Al3 Al2 AU AID A9 A8 A...

Page 251: ...N t 0 N 1 rn 7 3 rn I OJ 7 0 OJ 7 t C U t 7 J 3 OJ C OJ i G C J J rn I N n I j j j Q J r r ...

Page 252: ...N ts 0 N I rn 1 I rn I OJ 7 a OJ 7 D C J D 7 J 3 OJ C OJ G i C 0 rn I n cu z rn l I ...

Page 253: ... _ Cf w _j O u 00 Cf 0 O u ro J C ro L J L Q J J Q L ro 3 D L ro I w L w I N 0 1 N ...

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