IBM RS/6000 7043 260, Service Manual

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Table 3-1 (Page 27 of 28). Firmware Error Codes.
Error Code Description Action / Possible Failing FRU
4B2xxx52 LBIST fail 1. Processor card in Slot 2.
2. I/O board. (See notes on 3-1.)
4B200043 Service processor reports JTAG fail 1. Remove processor card in slot 2 (if
installed) and see if the problem is
resolved. If not, proceed to step 2.
2. Exchange processor card in slot 1
with processor card removed from
slot 2 in step 1 (replace processor
card if only one processor card
exists) and see if the problem is
resolved. If not, proceed to step 3.
3. Replace system board.
4. Replace I/O board. (See notes on
3-1.)
4B200055 No processor found. 1. If only one processor card is used,
it must be in slot #1.
2. If two processor cards are being
used, replace the card in slot #1.
4B200056 No processor card in first slot. 1. If only one processor card is used,
it must be in slot #1.
2. If two processor cards are being
used, replace the card in slot #1.
4B200057 The processor cards are not compatible
with each other. 1. Remove cards
2. Verify part numbers
3. Install valid cards.
4B200058 Compatibility test on processor card 0
failed. 1. Remove cards
2. Verify part numbers
3. Install valid cards.
4B200059 Compatibility test on processor card 1
failed. 1. Remove cards
2. Verify part numbers
3. Install valid cards.
4B201020 TEA Error Go to MAP 1540: Minimum
Configuration, “Step 1540-22” on
page 2-54.
4BA00000 The system support controller detects
the service processor, but cannot
establish communication. The system
halts. Replace the I/O board. (See notes on
3-1.)
4BA00001 The system support controller cannot
detect the service processor. Replace the I/O board. (See notes on
3-1.)
3-28
Service Guide