HP 300

Table 5-5b, HP 98561 Boot ROM LED State and Failure Codes
(Continued from Table 5-5a)
Explanation
RAM gone above FFCOOO
LEDs Failed to DTCK or LED ripple
CPU register test failure
Boot ROM checksum failure
RAM failure above
FFCOOO
RAM failure
Insufficient RAM
RO M system failure
Processor Board Keyboard Electronics Failure
External Keyboard Failure
Internal HP-IB failure
DMA
card failure
Font for video board missing or bad
Video board failed
Alpha video
card failure
Graphics failure on alpha/graphics board
I/O card on select code 0 failure
I/O card on select code 1 failure
through
I/O card on select code 9 failure
through
I/O card on select code 31 failure
LEDs never accessed (or LED ripple)
118 Troubleshooting
LED Code
0.000.00
0 •••••••
.000000.
.00000 ••
.0000.00
.000.00.
.000.0.0
.000 •• 0.
.00.00.0
.00.00 ••
.00.0.00
.00 •• 000
.00 ••• 00
.00 ••• 0.
.00 •••• 0
.00 •••••
.0.00000
.0.0000.
through
.0.0.00.
through
.0 ••••••
••••••••
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