HP 9000 Series 310 Service Information Manual page 128

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 . 0 0 0 . 0 0
0 • • • • • • •
. 0 0 0 0 0 0 .
. 0 0 0 0 0 • •
. 0 0 0 0 . 0 0
. 0 0 0 . 0 0 .
. 0 0 0 . 0 . 0
. 0 0 0 • • 0 .
. 0 0 . 0 0 . 0
. 0 0 . 0 0 • •
. 0 0 . 0 . 0 0
. 0 0 • • 0 0 0
. 0 0 • • • 00
. 0 0 • • • 0 .
. 0 0 • • • • 0
. 0 0 • • • • •
. 0 . 0 0 0 0 0
. 0 . 0 0 0 0 .
through
. 0 . 0 . 0 0 .
through
.0 ••••••
••••••••