IBM 7026-H80 - RS/6000 - 256 MB RAM Service Manual page 377

Service guide
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Table 8. Common Firmware Error Codes (continued)
Error Code Description
B1xx 4660 Memory subsystem failure
B1xx 4661 Memory card VPD failure
B1xx 4662 Memory DIMM VPD failure
B1xx 4670 Processor drawer cooling
B1xx 4671 Primary I/O drawer cooling
B1xx 4672 I/O cooling, drawer #2
B1xx 4681 JTAG scan interface
Action/
Possible Failing FRU
Go to "MAP 1540: Minimum
Configuration" on page 113.
Go to "MAP 1540: Minimum
Configuration" on page 113.
Go to "MAP 1540: Minimum
Configuration" on page 113.
1. Check ambient temperature
2. Check air supply to fans
3. Check fans for proper installation
and operation
4. Check for any unsupported cards
(that may be too hot)
5. CEC backplane
Location: U1.1-P1
1. Check ambient temperature
2. Check air supply to fans
3. Check fans for proper installation
and operation
4. Check for any unsupported cards
(that may be too hot)
5. Operator panel
Location: U0.1-L1
6. I/O backplane
Location: U1.1-P1
1. Check ambient temperature
2. Check air supply to fans
3. Check fans for proper installation
and operation
4. Check for any unsupported cards
(that may be too hot)
5. Operator panel
Location: U0.2-L1
6. I/O backplane
Location: U1.2-P1
1. JTAG cabling
2. Primary I/O backplane
Location: U0.1-P1
3. Processor card
Location: U1.1-P1-C1
4. CEC backplane
Location: U1.1-P1
Chapter 5. Error Code to FRU Index
359

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