IBM 6151 Maintenance And Service Manual page 24

POST Error 23 PIC 9840 .
Undetermined Problem PIC 9860 .
3-9840-1
3-9860-1
Section 4. Removal and Replacement Procedures 4-1
About This Section 4-3
System Unit Locations 4-4
Handling Static-Sensitive Devices 4-8
Removal and Replacement Procedures 4-10
Section 5. Base System Unit 5-1
About This Section 5-3
Base System Unit 5-4
RT PC Processor Board 5-001-1
RT PC Advanced Processor Board 5-002-1
RT PC Enhanced Advanced Processor Board 5-003-1
RT PC Floating-Point Board 5-004-1
RT PC Advanced Floating-Point Board 5-005-1
Section 6. System Memory Options 6-1
About This Section 6-3
RT PC 1MB Memory Expansion Option 6-008-1
RT PC 2MB Memory Expansion Option 6-010-1
RT PC 4MB Memory Expansion Option 6-012-1
RT PC 4MB Fast Memory Expansion Option 6-013-1
RT PC 8MB Fast Memory Expansion Option 6-016-1
Section 7. Diskette Drive 7-1
About This Section 7-3
Handling a Diskette Drive 7-4
IBM High Capacity Diskette Drive 7-100-1
Section 8. Fixed-Disk Drives 8-1
About This Section 8-3
Handling a Fixed-Disk Drive 8-4
Fixed-Disk Drive Type R40 8-120-1
Fixed-Disk Drive Type R70 8-128-1
Fixed-Disk Drive Type E70 8-130-1
Fixed-Disk Drive Type E1l4 8-132-1
Fixed-Disk Drive Type E310 8-134-1
Fixed-Disk Drive Type H310 8-135-1
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