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EPC-23 Hardware Reference 

 

 

EPC and RadiSys are registered trademarks of RadiSys Corporation.  OS/2, IBM, and 
PC/AT are trademarks of International Business Machines Corporation.  Microsoft 
Windows and MS-DOS are registered trademarks of Microsoft Corporation.  Intel 
and Intel486 SL are trademarks of Intel Corporation. 

 

April 1993 

Copyright 

©

 1993 by RadiSys Corporation 

All rights reserved. 

Page ii 

Artisan Scientific - Quality Instrumentation ... Guaranteed  |  (888) 88-SOURCE  |  www.artisan-scientific.com

Содержание EPC-23

Страница 1: ...xcess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respec...

Страница 2: ... S W Koll Parkway Beaverton OR 97006 503 646 1800 FAX 503 646 1850 ______________________________________________________________________ 07 0161 01 July 1993 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 3: ...l Business Machines Corporation Microsoft Windows and MS DOS are registered trademarks of Microsoft Corporation Intel and Intel486 SL are trademarks of Intel Corporation April 1993 Copyright 1993 by RadiSys Corporation All rights reserved Page ii Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 4: ...f the product is damaged during installation of the modifications this warranty does not cover repair or replacement This warranty in no way warrants suitability of the product for any specific application IN NO EVENT WILL RADISYS BE LIABLE FOR ANY DAMAGES INCLUDING LOST PROFITS LOST SAVINGS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT EVEN IF...

Страница 5: ...EPC 23 Hardware Reference NOTES Page iv Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 6: ...1 3 Theory of Operation 13 Processor and Coprocessor 13 Memory 13 Memory Expansion 14 Memory Map 15 ROM and ROM Shadowing 16 Battery 16 Video Controllers 17 Front Panel LED 17 Resetting the EPC 18 4 Connectors 19 Serial Ports 19 Keyboard 20 EXM Expansion Connector 20 EXM Expansion Connector Signals 21 5 Troubleshooting Error Messages 27 Troubleshooting 27 Common Error Messages 28 Page v Artisan Sc...

Страница 7: ...Disk Menu Screen 10 Figure 7 Memory Chip Locations 13 Figure 8 Battery Replacement 14 Figure 9 EPC 23 Mechanical Dimensions A1 Tables Table 1 EPC 23 Environmental and Electrical Specifications 2 Table 2 Fixed Disk Conversion Values 11 Table 3 SIMM Organization for 0 MBytes Base Memory 14 Table 4 SIMM Organization for 4 MBytes Base Memory 14 Table 5 Memory Map 15 Table 6 DB 9 Pin out 19 Table 7 RJ4...

Страница 8: ...ytes Keyboard interface 1 standard 9 pin DTE serial port COM1 1 RJ45 serial port COM2 Time of day clock with user replaceable battery Award BIOS EXM expansion interface electrically similar to the 16 bit PC AT ISA bus WARNING DO NOT PLUG IN ANY CABLE OR CONNECTOR INTO THE FRONT PANE CONNECTORS WHILE THE EPC 23 IS OPERATNG THIS SYSTEM IS NOT DESIGNED FOR HOT INSERTION WHILE THE SYSTEM IS POWERED UP...

Страница 9: ...rating 015 Peak to Peak 2 5g max 5 2000 Hz storage 030 Peak to Peak 5g max 5 2000 Hz Shock operating 30g 11 msec duration storage 50g 11 msec duration Electrical Power maximum 5V 1 25 A typical 5V 1 1 A Table 1 EPC 23 Environmental and Electrical Specifications Upper temperature limit degrades 2 C per 1000 ft elevation Maximum elevation 10 000 ft See Appendix A for mechanical dimensions Page 2 Art...

Страница 10: ...T Insertion in an EXM Carrier Insertion of the EPC 23 into an EXM carrier is straightforward Remove a blank EXM panel from the carrier by unscrewing the thumbscrews and insert the EPC 23 into the card guides Firmly press the EPC 23 front panel to ensure that the module is properly seated in the subplane and secure it with the thumbscrews MAKE SURE THAT POWER TO YOUR SYSTEM IS OFF THE EPC 23 IS NOT...

Страница 11: ...D C OK FUSE TYPE IEC PUB 127 I 1A 2 50V CAUTION FOR CON TINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE AND RATING OF FUSE L N IN P U T 85 264V 47 440 1 0A M AX U SE CO P PE R C ON DU CT OR S O N L Y S T B Y C OR POR A T ION L P T C O M EMC FDM Figure 1 EMC CH6D Chassis on an 8 Slot Backplane The EPC 23 can be inserted into any slot in the chassis Typically the far left slot is ...

Страница 12: ...D TESTING SYSTEM MEMORY 640K OK CHECKING UNEXPECTED INTERRUPTS AND STUCK NMI OK TESTING PROTECTED MODE OK SIZING EXPANSION MEMORY 3328K FOUND TESTING MEMORY IN PROTECTED MODE 4352K FOUND TESTING PROCESSOR EXCEPTION INTERRUPTS OK TESTING ONBOARD SERIAL PORT 1 OK TESTING ONBOARD SERIAL PORT 2 OK RadiSys EPC Setup Program Figure 2 EPC 23 POST Display If errors occur during the power on self test the ...

Страница 13: ...ry Date mm dd yy 01 12 90 Time hh mm ss 09 34 56 Configuration Errors Halt on all errors Diskette Drive A 1 4M 3 5 inch Diskette Drive B None Fixed Disk Drive C AT Fixed Disk Drive D None Com1 Enabled F2 EXM Menu Com2 Enabled F3 Fixed Disk Menu F10 Save CMOS and EXM data Cache Enabled ESC Exit without saving Quick Boot Disabled move between items select values Available EXM Slots 8 slots Figure 3 ...

Страница 14: ...C 23 Hardware Reference These values are changed by moving to them and typing in the format shown 2 2 Page 6 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 15: ...lues are None AT and EXM FLASH To see the detailed characteristics of the device or to change the device use the F3 function key to go to the fixed disk menu See the section Fixed Disk Menu page 10 EXM 16 SCSI and EXM 17 PCMCIA adapter users who will be booting from devices attached to these adapters should set the Fixed Disk Drive type to None COM1 COM2 Toggling these fields enables or disables t...

Страница 16: ...etup Screen The EXM setup screen is used to configure EXM expansion modules in the system It is displayed by pressing the F2 function key from the main setup screen The EPC s battery backed RAM holds identification and configuration information for the number of available EXM slots entered in the EXM Main Setup Screen The BIOS displays the configuration information in hexadecimal format The EXM Se...

Страница 17: ...ption bytes of configuration information EXM Slots 0 1 2 3 4 5 6 7 8 9 10 11 on the CH6D This area used by the EMC FDM on the CH10D This area used by the EMC FDM Figure 5 EXM Slot Numbering All slots not occupied by an EXM module show an ID of FF indicating that no EXM is present Note that the EPC 23 can be installed in any slot and does not require any ID or option byte information Consult the EX...

Страница 18: ...e drives You can scroll through a set of numbered types the physical configuration is displayed for each Scroll through the numeric drive types to find the one matching the characteristics of the hard drive installed Note that the RadiSys supplied hard drive typically has a non removable sticker listing the drive type number or user defined parameters if necessary refer to User Definable Drive Typ...

Страница 19: ...usable size of the drive However most IDE drives support universal translation mode If the drive you are using supports this mode and the actual parameters are greater than the allowable maximum divide the actual number of cylinders by 2 and multiply the actual number of heads by 2 That is each sector is addressed as an absolute sequential sector number Since the drive converts the sector data to ...

Страница 20: ...EPC 23 Hardware Reference NOTES 2 2 Page 12 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 21: ... 23 can have a base memory configuration of 0 Mbytes or 4 Mbytes When present the 4 MByte base memory is soldered on the motherboard This memory can be expanded using SIMM modules For systems with 4 MBytes of base memory the memory technology is 16Mbit chips organized as one 1MB x 36 bit bank This memory when present is located at U4 and U5 on the circuit board See Figure 7 below SIMM Socket Top R...

Страница 22: ...s of which SIMM to use are dependent on the system base memory The table below specifies the SIMM module used for various configurations with 0 Mbytes of base memory Total Memory SIMM Memory SIMM organization 4 MB 4 MB 1 bank 1 MB x 36 bit 8 MB 8 MB 1 bank 2 MB x 36 bit Table 3 SIMM Organization for 0 MBytes Base Memory The table below specifies the SIMM module used for various configurations with...

Страница 23: ...IOS 0100000 13FFFFF Extended memory when installed or mapped to EXM expansion interface 1400000 1FEFFFF Mapped to EXM expansion interface 1FF0000 1FFFFFF Mapped to BIOS ROM 3 3 Table 5 Memory Map 0D000 0EFFFF may be used either as page frame BIOS extension I O buffer i e for extended memory managers Ethernet etc or may be used by DOS as upper memory blocks if an extended memory manager driver is i...

Страница 24: ...attery powers the CMOS RAM and Time of Day clock when system power is not present At 60 C the battery should have a shelf life of over four years In a system that is powered on much of the time and where the ambient power off temperature is less than 60 C the battery is estimated to have a life of 10 years The battery supplied with the EPC is a 23mm 3V lithium coin battery or equivalent e g Panaso...

Страница 25: ...r any card with video BIOS The CPU scans the memory space from A0000h to C8000h looking for any memory location containing the value AA55h If such memory is found video BIOS ROM the main BIOS performs a jump into the video card BIOS and executes whatever code is found allowing that card to be used If no video controller is present the BIOS operates without one Programs that use the standard operat...

Страница 26: ...essor This is provided to allow remote reset to be implemented This is a full hardware reset The system will run the power on self tests and reboot the operating system Setup Screen Pressing F10 and then F5 to save changes and reboot causes a full hardware reset CTRL ALT DEL This keyboard sequence is called a warm boot The EPC does not reinitialize all of the processor s hardware The power on self...

Страница 27: ... DTE connector defined in the following table Pin Signal Pin Signal 1 DCD 6 DSR 2 RxD 7 RTS 3 TxD 8 CTS 4 DTR 9 Ring indicator 5 Ground 1 5 6 9 Table 6 DB 9 Pin out The COM2 serial port is a DTE RJ45 phone jack defined in the following table RJ45 Signal DB25 1 Shield 1 2 CTS 4 3 TxD 3 4 DTR 8 1 8 5 RxD 2 6 DCD 20 7 Ground 7 8 RTS 5 Table 7 RJ45 Phone Jack Pin out Page 19 Artisan Scientific Quality...

Страница 28: ...pin assignments are listed in the tables below followed by signal definitions A Row Pin Signal Pin Signal Pin Signal Pin Signal A1 unused A16 IRQ12 A31 DACK3 A45 SA13 A2 reserved A17 IRQ11 A32 DACK2 A46 key A3 5V A18 IRQ7 A33 MASTER A47 key A4 5V A19 IRQ5 A34 DACK1 A48 SA11 A5 SD15 A20 5V A35 DACK0 A49 SA9 A6 SD13 A21 reserved A36 SBHE A50 OSC A7 SD11 A22 IOCHK A37 5V A51 SA7 A8 unused A23 DRQ6 A3...

Страница 29: ... IBM AT Technical Reference Manual Some liberties have been taken to correct the definitions for use with the Intel486 SL chip set and an 8 MHz bus speed 0WS I The zero wait state signal tells the microprocessor that it can complete the present bus cycle without inserting any additional wait cycles In order to run a memory cycle to a 16 bit device without wait cycles 0WS is derived from an address...

Страница 30: ...lock signal It is a synchronous microprocessor cycle clock with a cycle time of 125 nanoseconds The clock has a 50 duty cycle This signal should be used only for synchronization It is not intended for uses requiring a fixed frequency DACK0 through DACK3 DACK5 DACK6 O DMA acknowledge signals are used to acknowledge DMA requests These signals are active low DRQ0 through DRQ3 DRQ5 DRQ6 I The DMA requ...

Страница 31: ...ral number of clock cycles 125 nanoseconds This signal should be held low for no more than 2 5 microseconds I OCS16 I The I O 16 bit chip select signal indicates to the system that the present data transfer is a 16 bit I O cycle It is derived from an address decode I OCS16 is active low and should be driven with an open collector or tri state driver capable of sinking 20 mA IOR I O The I O read si...

Страница 32: ... wait state memory cycles These decodes should be latched by I O adapters on the falling edge of BALE MASTER I This signal is used with a DRQ line to gain control of the system A processor or DMA controller on the I O channel may issue a DRQ to a DMA channel in cascade mode and receive a DACK Upon receiving the DACK a microprocessor may pull MASTER active low which will allow it to control the sys...

Страница 33: ...s signals 0 through 16 are used to address memory and I O devices within the system These address lines in addition to LA17 through LA23 allow access of up to 16M of memory SA0 through SA16 are gated on the system bus when buffered address latch enable signal BALE is high and are latched on the falling edge of BALE These signals are generated by the microprocessor or DMA controller They also may b...

Страница 34: ...roller in the system SMEMR is derived from MEMR and the decode of the low 1M of memory When a microprocessor on the I O channel wishes to drive MEMR it must have the address lines valid on the bus for one clock cycle before driving MEMR active Both signals are active low SMEMW O MEMW I O These signals instruct the memory devices to store the data present on the data bus SMEMW is active only when t...

Страница 35: ...ot talk to EXM expansion interface Remove the video adapter Reinsert the video adapter and verify proper seating of the edge connector Verify that the cable pins are not bent and the cable is fully seated in the video adapter If necessary try the monitor on another system to verify that the monitor is good Replace video adapter Verify that the EPC is fully seated in the edge connector System fails...

Страница 36: ...essage text These are messages generated by the BIOS and MS DOS that may be related to your hardware configuration BAD OR MISSING COMMAND INTERPRETER DOS Problem The DOS operating system cannot find the Command line interpreter Solution s Either COMMAND COM is not present at the specified or default directory level of the boot disk or the SHELL statement in your CONFIG SYS lists the file incorrect...

Страница 37: ... disk is present verify that it is properly partitioned and formatted as a system disk and one partition is set active 5 5 DISKETTE DRIVES OR TYPES MISMATCH ERROR RUN SETUP BIOS Problem The floppy diskette s installed in the system do not match the configuration information listed in the BIOS setup screen This may be due to incorrect entries in the BIOS setup screen or one or both drives may not b...

Страница 38: ...ecessary refer to the section EXM Setup Screen page 8 of this manual and or your EXM manual s for more details FLOPPY DISK CNTRLR ERROR OR NO CNTRLR PRESENT BIOS Problem The configuration information in the BIOS setup says that one or more floppy disk drives are expected but a floppy disk controller could not be found Solution s If you have no floppy diskette drives press CTRL ALT ESC to enter the...

Страница 39: ...Some keyboards are designed with a switch or jumper to allow the user to configure the keyboard for use with an AT machine or an XT machine If this is the case with your keyboard verify that the switch is in the AT position 5 5 The keyboard may not be a valid PC AT keyboard e g it is a PC XT only or PS 2 keyboard If this is the case replace the keyboard with a PC AT style keyboard MEMORY PARITY IN...

Страница 40: ...OR DISK ERROR BIOS REPLACE AND PRESS ANY KEY WHEN READY Problem This is caused by an attempt to boot from a disk or diskette that is not recognized as a system disk that is no system files exist on the disk or diskette Solution s Most often it results when you reboot with a non system diskette in the floppy drive because the BIOS always attempts to boot from the floppy drive if a diskette is insta...

Страница 41: ...re is valid PRESS A KEY TO REBOOT BIOS Problem A C drive exists but is not set active Solution s Run your operating system disk partitoning program like FDISK and set the primary partition active REAL TIME CLOCK ERROR RUN SETUP BIOS 5 5 Problem The battery backed TOD clock is incorrect Solution s Run the BIOS setup program to determine what is wrong and correct it If the error occurs repeatedly th...

Страница 42: ...EPC 23 Hardware Reference NOTES 5 5 Page 34 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 43: ...xt business day 6 6 Technical Support Services are designed for customers who have purchased their products from RadiSys or a sales representative If your RadiSys product is part of a piece of OEM equipment or was integrated by someone else as part of a system support will be better provided by the OEM or system vendor that did the integration and understands the final product and environment Bull...

Страница 44: ...ol make it more convenient to receive their original products back after repair Warranty Repairs 6 6 Products under warranty see warranty information in the front of this manual will have manufacturing defects repaired at no charge Products sent in for warranty repair that have no faults will be subject to a recertification charge Extended Warranties are available and can be purchased at a standar...

Страница 45: ...able in a spares program There is a minimum billing charge associated with this program Arranging Service To schedule service for a product please call RadiSys Technical Support directly at 503 646 1800 Have the product model and serial numbers available along with a description of the problem A Technical Support representative will issue a Returned Materials Authorization RMA number a code number...

Страница 46: ...g and a description of the suspected problem Any ancillary information that might be helpful with the debugging process will be appreciated Other Countries Contact the sales organization from which you purchased your RadiSys product for service and support 6 6 Page 38 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 47: ...mensions 0 0 0 29 0 57 4 14 0 0 0 10 0 39 0 78 5 90 075 0 65 0 0 0 04 0 0 0 325 3 00 2 96 Figure 9 EPC 23 Mechanical Dimensions Page A1 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 48: ...EPC 23 Hardware Reference A A NOTES Page A2 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 49: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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