IBM PS/2 70, Hardware Maintenance Service

Page 1: ...FRONT PICTURE 1 Part Number 91F8635 Form Number S15F 2197 01 IBM PS 2 Model 70 HMS Copyright IBM Corp 1991 FRONT 1...

Page 2: ...FRONT_1 Special Notices Subtopics FRONT_1 1 Safety Information IBM PS 2 Model 70 HMS Special Notices Copyright IBM Corp 1991 FRONT_1 1...

Page 3: ...e product s and or the program s described in this publication at any time It is possible that this publication may contain reference to or information about IBM products machines and programs program...

Page 4: ...ction with other products programs or services except those expressly designated by IBM are the user s responsibility IBM may have patents or pending patent applications covering subject matter in thi...

Page 5: ...evice Type 2 3 SCSI Devices 2 4 Non SCSI Devices 3 0 Power On Password 4 0 Undetermined Problem 5 0 Power Supply Voltages Fan 6 0 Enable and Disable Settings 7 0 Display Self Test 8 0 Display Adapter...

Page 6: ...the symptoms change 001 Power off the system and all external devices Check all cables and power cords Make sure there are no diskettes in the drives Power on all external devices Power on the system...

Page 7: ...Index in topic 12 0 or If that does not correct the problem go to Undetermined Problem in topic 4 0 016 Advance to the Main Menu Press Ctrl A and run system checkout Notes 1 If the system has incorrec...

Page 8: ...unit fan for proper operation Start an error log and run the tests multiple times 020 Follow the action described on the screen If that does not correct the problem go to Symptom to FRU Index in topi...

Page 9: ...e of code required to support that device The missing device is a 5 25 Inch 360KB External Diskette Drive adapter or another unrecognizable adapter The missing device is defective An adapter is defect...

Page 10: ...tic Configuration may alter those settings Note the current configuration settings using the View Configuration option and verify that the settings are in place when service is complete For more infor...

Page 11: ...2 1 before continuing and determine which type of device SCSI or non SCSI is missing from the Installed Devices List then continue If SCSI and non SCSI devices both are missing go to Undetermined Prob...

Page 12: ...uing 3 Power on the system and run Automatic Configuration If the adapter is not on the Installed Devices List in Advanced Diagnostics the adapter is defective If the adapter is on the list run the ad...

Page 13: ...blem in topic 4 0 Note If the number of diskette drives shown on the list is incorrect an error can occur during the tests Restart the system and verify that the drive information on the Set Configura...

Page 14: ...ins on the side of the speaker assembly short the pins together On the type with no pins insert a meter lead into the connector protruding from under the battery and short the other end of the lead to...

Page 15: ...r diskette drive Memory module kits 3 Power on the system 4 If the symptom remains repeat steps 1 2 and 3 until you find the failing adapter or device 5 If all adapters and devices have been removed a...

Page 16: ...ply and check for the voltages listed below If the voltages are not correct check the power cord for continuity If the power cord is good replace the power supply V dc V dc Ground Positive Minimum Max...

Page 17: ...determine if there are any Presence Error Reporting devices listed The settings must be as follows Devices connected to the system must be set to Enabled Devices listed but not connected must be set t...

Page 18: ...ed below some shading may occur near the edges If the screen differs replace the display If the display passes the test replace the display adapter or the system board 8503 8512 8513 8514 2 20 mm 0 08...

Page 19: ...8 0 Display Adapter 8514 A PICTURE 3 IBM PS 2 Model 70 HMS Display Adapter 8514 A Copyright IBM Corp 1991 8 0 1...

Page 20: ...on the system and check the keyboard cable connector for the voltages shown All voltages are 5 PICTURE 4 ARE THE VOLTAGES CORRECT Yes No 002 Possible failing FRUs are 1 Fuse or keyboard cable 2 System...

Page 21: ...tly the problem is in the printer Refer to the printer service manual If the printer self test runs correctly install a wrap plug on the parallel port and run the advanced diagnostic tests to determin...

Page 22: ...eplace the kit that caused the problem to return If the kit does not solve the problem replace the system board 00011100 indicates a memory expansion adapter parity check error Remove the memory expan...

Page 23: ...eight digit error message Shorter POST Messages 0 0 0 0 0 0 0 0 Reserved Size SCSI Slot Number SCSI Device Code Logical Unit Number SCSI ID SCSI All SCSI devices are set to a different SCSI ID Duplic...

Page 24: ...any FRUs Memory Expansion Adapter 000112XX 000113XX Any Adapter System Board 000161XX Battery 000162XX Any Device Verify the enable disable settings are correct before replacing any FRUs See Enable a...

Page 25: ...iskette Drive Bus Adapter 0007XXXX 80386 systems Math Coprocessor System Board 0007XXXX Processor Board 80486 systems 001107XX Communications Cable System Board 0011XXXX System Board not listed above...

Page 26: ...er Interface Board Memory Module Package 006402XX 006405XX 006405XX 006411XX 006412XX 006416XX Ethernet Adapter A 006417XX System Board 006418XX 006419XX 006420XX Contact the LAN Administrator 006421X...

Page 27: ...XXXX not listed above Fixed Disk Drive System Board Fixed Disk and Diskette Drive Bus Adapter Power Supply 0107XXXX 5 25 inch External Diskette Drive 5 25 inch External Diskette Drive Adapter A 0112XX...

Page 28: ...ive 60MB 0210XXXB SCSI Fixed Disk Drive 80MB 0210XXXC SCSI Fixed Disk Drive 120MB 0210XXXD SCSI Fixed Disk Drive 160MB 0210XXXE SCSI Fixed Disk Drive 320MB 0210XXXU SCSI Fixed Disk Drive Size If the f...

Page 29: ...hat the quantity is not the same for all machines R Restricted indicates that the part has a restricted availability INDENTURE the indenture is marked by a series of dots located before the parts desc...

Page 30: ...14 0 System Overview PICTURE 5 IBM PS 2 Model 70 HMS System Overview Copyright IBM Corp 1991 14 0 1...

Page 31: ...r Assembly Cable 72X8558 4 Power Supply Fan Assembly 90X8626 1MB Memory Module Kit 16 or 20 MHz 90X8624 2MB Memory Module Kit 16 or 20 MHz 90X8625 2MB Memory Module Kit 25 MHz 15F7658 80387 Coprocesso...

Page 32: ...94 120MB Fixed Disk Drive 6128291 160MB Fixed Disk Drive 56F8895 Fixed Disk Drive Slide Kit 90X8628 Options and Adapters Display Adapter 8514 A 1887971 Memory Module for 1887971 1887708 XGA Display Ad...

Page 33: ...F8461 Mouse Ball and Twist Off Retainer 33F8462 8503 Monochrome Display with Tilt Swivel Stand 110 120 V ac 68X3045 220 240 V ac Northern Hemisphere 68X3046 220 240 V ac Southern Hemisphere 72X7878 Ti...

Page 34: ...any Spain 5 Power Cord System Unit for 8529282 Italy 6 Power Cord System Unit for 8529284 Australia New Zealand Tools and Miscellaneous Tri Connector Wrap Plug 72X8546 Wrap Plug 59X4115 for 6157 Tape...

Page 35: ...IBM PS 2 Model 70 HMS Parts Copyright IBM Corp 1991 15 0 5...