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Содержание DECstation 212LP

Страница 1: ...DECstation 212LP 316SX 320SX Service Guide Order Number EK PC44A SV 002 Digital Equipment Corporation...

Страница 2: ...s may result in interference to radio and television reception This equipment generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the man...

Страница 3: ...DECUS RSTS DECwriter RSX dt MS DOS is a registered trademark of Microsoft Corporation Velcro is a trademark of VELCRO USA Inc IBM and IBM PC AT are registered trademarks of International Business Mach...

Страница 4: ...SX Main Logic Board 1 6 1 4 3 DECstation 320SX Main Logic Board 1 6 1 4 4 Power Supply 1 7 1 4 5 Monitors 1 7 1 4 6 Enhanced Keyboards 1 9 1 4 6 1 101 Key Enhanced Keyboard 1 9 1 4 6 2 LK250 Keyboard...

Страница 5: ...nt 3 8 3 2 3 Mouse Replacement 3 8 3 2 4 System Cover Removal 3 9 3 2 5 Opening the System Unit 3 10 3 2 6 Option Board Replacement 3 12 3 2 7 Option Slot Printed Circuit Board Replacement 3 13 3 2 8...

Страница 6: ...he DECstation 212LP Battery 3 16 3 7 Removing the DECstation 316SX 320SX Battery 3 17 3 8 Removing the Reset Button 3 18 3 9 Removing and Replacing the 212LP SIMM 3 20 3 10 Removing and Replacing the...

Страница 7: ...g Procedures 2 16 2 7 Monitor Troubleshooting Procedures 2 17 3 1 DECstation Standard Field Replaceable Units 3 1 3 2 DECstation Optional Field Replaceable Units 3 2 3 3 212LP Main Logic Board Jumper...

Страница 8: ...de Organization The guide is organized as follows Chapter 1 provides an overview of the DECstation systems Chapter 2 details troubleshooting instructions Chapter 3 contains procedures for removing and...

Страница 9: ...ation 320SX When information applies to a specific DECstation the full title is used The computer industry recognizes two open architectures as industry standards the IBM PC AT bus structure and the M...

Страница 10: ...ption Installation Guides Service Kit ER 4XOPS SV PCSA Network Troubleshooting Guide AA JU54A TH DEC EtherWORKS Service Guide EK DE21A SV DECconnect System Stand alone ThinWire Networks Planning and I...

Страница 11: ...r MA 01473 0471 Attn Attention Order Administration Digital self maintenance customers may order documents with part numbers beginning with either EK ER or AA by mail or phone from Digital Equipment C...

Страница 12: ...puter It can be used as a standalone personal computer or as a node on a network to a VAX computer or another DECstation with network server software The DECstation runs Digital and other industry sta...

Страница 13: ...80286 processor DECstation 212LP only 16 MHz Intel 80386SX processor DECstation 316SX only 20 MHz Intel 80386SX processor DECstation 320SX only Socket for optional Intel 80287 DECstation 212LP only or...

Страница 14: ...rive 5 25 inch 1 2 Mbyte diskette drive 5 25 inch 360 Kbyte diskette drive 101 key enhanced keyboard country specific PS 2 compatible mouse Power cord country specific 16 bit SCSI host adapter Serial...

Страница 15: ...tem is represented by solid lines Optional equipment is represented by dotted lines LJ 1712 Figure 1 2 System Unit Layout 1 4 DECstation System Configurations The DECstation personal computers are eac...

Страница 16: ...power cord and keyboard PC441 A3 Same as PC441 A2 but with no power cord and keyboard and is factory set at 240 Vac 50 Hz PC442 A2 DECstation 316SX 80386 16 MHz base system box 1 Mbyte minimum SIMM RA...

Страница 17: ...0386 CPU microprocessor a socket for an optional Intel 80387SX math coprocessor floppy disk drives controller serial and parallel ports PS 2 compatible mouse port IDE drive connector 16 bit VGA contro...

Страница 18: ...1 2 Monitors Model Number Part Number Description PC4XV AA 30 32317 01 VGA monochromatic 14 for all versions of DECstation personal computers Requires PC4XG AA or AB VGA adapter except on the PC44 mod...

Страница 19: ...VGA color RGB 14 for all versions of DECstation personal computers Requires PC4XG AA or AB VGA adapter except on the PC44 models Displays at 640 x 480 colors 120 Vac 60 Hz US and Canada PC4XV B2 30 3...

Страница 20: ...o different keyboards available as options on the DECstation The 101 key enhanced keyboard and the LK250 keyboard NOTE Keyboards used with the DECstation 212LP DECstation 316SX and DECstation 320SX mu...

Страница 21: ...ch DECstation to process numeric data faster Table 1 3 Math Coprocessors Model Number Description PC44P AA 10 MHz optional Intel 80287 coprocessor for the DECstation 212LP PC46P BB 16 MHz optional Int...

Страница 22: ...codes and how to use them Troubleshooting by symptom Troubleshooting during system operation Using the System Utilities diskette For information about jumper settings troubleshooting and servicing of...

Страница 23: ...ether and housed in a streamlined package DECstation 212LP Utilities Diskette 29 28243 01 Use to reconfigure the CPU when options are installed DECstation 316SX Utilities Diskette 29 28111 01 Use to r...

Страница 24: ...er generates a beep error code or displays an error message 3 The system generates a single beep displays information about the operating system and gives the date prompt Note that the actual informat...

Страница 25: ...e operating system diskette s that came with the system 3 Have the customer provide you with the system configuration Type of monitor Type of keyboard Type and number of disk drives Type and amount of...

Страница 26: ...and monitor have powered up Power indicators on the system unit and monitor are on You can hear the fan running You can hear the hard disk spinning 5 If the system does not power up a Turn off power...

Страница 27: ...the system after verifying the jumper settings b Lack of beep codes and video indicate a possible bad main logic board c If the system still does not boot remove all options and try to boot the system...

Страница 28: ...r CAUTION Do not connect or disconnect the video cable from the monitor or system when the monitor and or system is on This can cause damage to the system Always turn the monitor and system off then w...

Страница 29: ...p utility Configuration record bad Check the information entered with the Setup utility See the hard disk installation guide for configuration information Check the CMOS battery connection Clock chip...

Страница 30: ...2 1 Programmable Interval Timer test in progress or failure 1 2 2 DMA initialization test in progress or failure 1 2 3 DMA page register write read test failure 1 3 1 RAM refresh verification test in...

Страница 31: ...p or data line failure bit E 2 4 4 1st 64K RAM chip or data line failure bit F 3 1 1 Slave DMA register test in progress or failure 3 1 2 Master DMA register test in progress or failure 3 1 3 Master i...

Страница 32: ...ected mode 03 Unexpected SW interrupt at xxxx xxxx Type S hut off NMI R eboot other keys to continue 04 Memory tests terminated by keystroke 05 Memory yyyyy failure at xxxx read xxxx expecting xxxx 06...

Страница 33: ...ailure 27 No boot sector on hard disk 28 Insert system diskette and Strike the F1 key to retry boot 29 I O card parity interrupt at xxxx xxxx Type S hut off NMI R eboot other keys to continue 30 Memor...

Страница 34: ...them to further isolate the problem and then replace the failing FRU Table 2 5 System Unit Troubleshooting Procedures Problem Possible Cause Corrective Action No response when the system is turned on...

Страница 35: ...turn system power off and then on System does not boot from the hard disk There is no software on the partition Install software on the partition System software is not on the hard disk Load the syst...

Страница 36: ...ystem software Drive switch is set incorrectly Make sure the drive switch is set correctly Diskette is not bootable Use a diskette containing bootable system software Diskette is worn or damaged Try a...

Страница 37: ...d write problems Possible corrupted files Restore disk from back up files Hard disk works but produces extra characters or garbled text Hard disk is affected by static electricity Move system away fro...

Страница 38: ...n replace the failing FRU Table 2 7 Monitor Troubleshooting Procedures Problem Possible Cause Corrective Action Monitor green LED is not on Monitor is not turned on Turn on the monitor and then the sy...

Страница 39: ...itor and system off Disconnect the monitor from the system and wall Plug the monitor into an working wall outlet If the monitor LED does not turn on there is a problem with the monitor or monitor LED...

Страница 40: ...tible with the current settings of the VGA board Reconfigure the software for VGA or set the VGA jumper on the main logic board to a standard supported by your software See Section 3 3 1 and Section 3...

Страница 41: ...or faulty loading on the data bus See also Section 2 6 The problem occurs during hard disk drive access Check the hard disk drive including jumper and switch settings Check for loose drive cables Che...

Страница 42: ...nytime the following occur The amount of memory in the system is changed Diskette drives are added or removed A different video display board is installed in the system The battery backed up date and...

Страница 43: ...ys an option menu Select option 4 SETUP then press Enter 5 The monitor displays the Setup utility menu Follow the instructions on the bottom of the screen and select the correct system configuration t...

Страница 44: ...Us and their part numbers for the DECstation systems Table 3 2 lists optional FRUs and their part numbers Table 3 1 DECstation Standard Field Replaceable Units FRU Digital Part Number DECstation 212LP...

Страница 45: ...1 Top front cover assembly without nameplate 29 28110 01 Bezel 212LP nameplate not available Bezel 316SX nameplate 29 28117 01 DECstation 212LP utilities diskette 29 28243 01 DECstation 316SX utilitie...

Страница 46: ...SIMM Memory Kit 212lp 316SX 19 32974 01 2 Mbyte 80 ns SIMM Memory Kit 320SX 19 32975 02 2 Mbyte 100 ns SIMM Memory Kit 212lp 316SX 19 32975 01 1 2 Mbyte diskette drive 5 25 30 31071 01 360 Kbyte disk...

Страница 47: ...73 01 10 MHz Intel 80287 math coprocessor 19 30951 01 16 MHz Intel 80387SX math coprocessor 19 30973 01 20 MHz Intel 80387SX math coprocessor 19 01 8514 A Compatible graphics adapter 20 34173 01 8514...

Страница 48: ...inWire T connector from the computer Do not disconnect any cable or terminator from the T connector Doing so disrupts network operation CAUTION Always use a grounded wrist strap and grounded work surf...

Страница 49: ...3 6 FRU Replacement New Illustration LJ 1711 Figure 3 1 Exploded View of DECstation Chassis...

Страница 50: ...FRU Replacement 3 7 New Illustration LJ 1710 Figure 3 2 Exploded View of DECstation Main Logic Board and Options...

Страница 51: ...xilliary outlet of the DECstation 3 Disconnect the monitor cable from the system unit 4 Connect the cable from the new monitor to the system unit 5 Plug the power cord from the system unit into the au...

Страница 52: ...least 20 seconds after you turn power to the system off 2 Disconnect all cables from the back of the system unit 3 Remove the two countersunk screws that secure the cover to the chassis of the system...

Страница 53: ...as follows Figure 3 4 1 Using the key unlock the system box 2 Remove the two shake proof fittings that secure the system unit option cover and carriage metal fold outs 3 Lift the option cover left sid...

Страница 54: ...FRU Replacement 3 11 New Illustration LJ 1708 Figure 3 4 Opening the DECstation System Unit...

Страница 55: ...ation and the location and routing of all cables if any attached to the option board 3 Remove the mounting screw that secures the option board to the chassis 4 Remove the board by sliding it to the le...

Страница 56: ...Lift the chassis support and option slot PCB upward and out of the system unit Figure 3 5 4 Remove the two screws securing the option slot PCB to the chassis support Figure 3 5 5 Secure the new optio...

Страница 57: ...3 14 FRU Replacement New Illustration LJ 1707 Figure 3 5 Removing the Bus Adapter Board...

Страница 58: ...rd 3 2 9 Battery Replacement Replace the battery as follows 1 Remove the cover Section 3 2 4 and open the system unit Section 3 2 5 2 Remove the battery as follows On the DECstation 212LP remove the b...

Страница 59: ...3 16 FRU Replacement New Illustration LJ 1706 Figure 3 6 Removing the DECstation 212LP Battery...

Страница 60: ...3 7 Removing the DECstation 316SX 320SX Battery 3 2 10 Reset Button Removal Remove the reset button as follows 1 Remove the cover Section 3 2 4 and open the system unit Section 3 2 5 2 Remove all opt...

Страница 61: ...d guide clip Figure 3 8 5 Slide the card guide to the left and remove it from the system unit Figure 3 8 6 From the back of the card guide push the reset button and cable forward through the card guid...

Страница 62: ...ld the SIMM in place Figure 3 9 and Figure 3 10 4 Move the SIMM forward to the vertical position Figure 3 9 and Figure 3 10 5 Use your index fingers to pull the SIMM away from the retaining brackets F...

Страница 63: ...3 20 FRU Replacement Insert version LJ 1703 Figure 3 9 Removing and Replacing the 212LP SIMM...

Страница 64: ...FRU Replacement 3 21 Insert version LJ 1784 Figure 3 10 Removing and Replacing the 316SX 320SX SIMM...

Страница 65: ...ssor out of the socket be careful not to damage it or the socket or bend any pins 4 Before installing the new math coprocessor straighten any pins if necessary so they align with the holes in the sock...

Страница 66: ...FRU Replacement 3 23 Insert version LJ 1701 Figure 3 11 Replacing the 212LP Math Coprocessor...

Страница 67: ...3 24 FRU Replacement New Illustration LJ 1700 Figure 3 12 Replacing the 316SX Math Coprocessor...

Страница 68: ...FRU Replacement 3 25 New Illustration LJ 1785 Figure 3 13 320SX Math Coprocessor Replacement...

Страница 69: ...c board Figure 3 14 and Figure 3 15 NOTE When removing the cables note their location and routing 7 Remove six 3 16 inch hex standoffs that secure the serial parallel and monitor connectors to the sys...

Страница 70: ...steps used to remove the board NOTE There is a mylar insulator under the main logic board Make sure it is installed and in position when replacing the main logic board Figure 3 14 and Figure 3 15 New...

Страница 71: ...3 28 FRU Replacement New Illustration LJ 1698 Figure 3 15 Removing the 316SX Main Logic Board...

Страница 72: ...FRU Replacement 3 29 New Illustration LJ 1786 Figure 3 16 Removing the 320SX Main Logic Board...

Страница 73: ...5 Set the switch on the new drive to match that of the old drive 6 Install the new drive and re install the three mounting screws 7 Reconnect the ribbon cable to the floppy drive 8 After replacing th...

Страница 74: ...FRU Replacement 3 31 New Illustration LJ 1697 Figure 3 17 Replacing the Floppy Disk Drive...

Страница 75: ...ront of the system unit and lifting the arm up and off the power supply switch 5 Facing the front of the system unit remove the three mounting screws on the right side of the power supply 6 Tilt the c...

Страница 76: ...FRU Replacement 3 33 New Illustration LJ 1696 Figure 3 18 Removing the DECstation Power Supply...

Страница 77: ...gic Board Jumpers Figure 3 19 shows the location of the jumpers on the main logic board Table 3 3 describes the jumper configurations and provides a recommended default setting for the jumpers New Ill...

Страница 78: ...video Enabled1 E15 and E16 installed Disabled E14 and E15 installed BIOS ROM type 4 Mbyte or 8 Mbyte ROM1 E10 and E11 installed Two 32 Kbyte EEPROMs U17 and U18 E9 and E10 installed Expansion bus spee...

Страница 79: ...rs Figure 3 20 shows the location of the jumpers on the main logic board Table 3 4 describes the jumper configurations and provides a recommended default setting for the jumpers New Illustration LJ 16...

Страница 80: ...stalled 512 Kbyte 64 KB E1 and E2 installed E4 and E5 installed Printer port interrupt IRQ5 select IRQ7 select 1 E19 and E20 installed E20 and E21 installed Serial port interrupt IRQ3 select IRQ4 sele...

Страница 81: ...ettings Figure 3 21 shows the location of the switch on the main logic board Table 3 5 describes the switch configurations and provides a recommended default setting for each switch New Illustration L...

Страница 82: ...3 on SW3 off Serial Port Address SW4 COMM1 3F8 3FF HEX1 COMM2 2F8 2FF HEX SW4 on SW4 off Parallel Port Mode SW5 Enabled unidirectional 1 Enabled bi directional SW5 on SW5 off Diskette Drive Address SW...

Страница 83: ...rs Figure 3 22 shows the location of the jumpers on the main logic board Table 3 6 describes the jumper configurations and provides a recommended default setting for the jumpers New Illustration LJ 17...

Страница 84: ...Reserved for future use Parallel port interrupt IRQ5 IRQ7 1 E13 and E14 installed E14 and E15 installed Serial port interrupt IRQ3 IRQ4 1 E17 and E18 installed E16 and E17 installed Video mode Color...

Страница 85: ...ettings Figure 3 23 shows the location of the switch on the main logic board Table 3 7 describes the switch configurations and provides a recommended default setting for each switch New Illustration L...

Страница 86: ...3 on SW3 off Serial port address COMM1 3F8 3FF HEX1 COMM2 2F8 2FF HEX SW4 on SW4 off Parallel port mode Enabled unidirectional 1 Enabled bi directional SW5 on SW5 off Diskette drive address Primary 3F...

Страница 87: ...or options and may be distributed between the other slots as needed Table A 1 DECstation Base System Power Consumption Current 5 Volts Amps 12 Volts Amps 12 Volts Amps 12 Peak Amps DC Power VA Availab...

Страница 88: ...connector on the rear panel of the DECstation systems Table B 1 Parallel I O Port Connector Pin Number Function 1 Strobe 2 Data bit 0 3 Data bit 1 4 Data bit 2 5 Data bit 3 6 Data bit 4 7 Data bit 5 8...

Страница 89: ...B 2 RS 232C Serial Port Connector Pin Number Function 1 Carrier detect 2 Receive data 3 Transmit data 4 Data terminal ready 5 Signal ground 6 Data set ready 7 Request to send 8 Clear to send 9 Ring i...

Страница 90: ...urn ground 9 Key no pin 10 Sync return ground 11 Monitor ID bit 0 not used 12 Monitor ID bit 1 not used 13 Horizontal sync 14 Vertical Sync 15 Not used NOTE The monitor type color or monochrome is det...

Страница 91: ......

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