HP 9000 Series 310 Service Information Manual page 130

Table 5-6. Boot ROM LED Failure Codes
(in order of priority)
Explanation
LE Ds never accessed
LEDs failed to DTACK
CPU failure
Processor board timer failed
Boot ROM checksum failure
Top RAM test failure
RAM failure
Insufficient RAM
RO M system failure
Processor keyboard electronics failure
Accessory card keyboard electronics failure
Internal HP-IB failure
D MA card failure
I/O card on select code 0 failure
o
card on' select code 1 failure
through
I/O card on select code 9 failure
through
o
card on select code 31 failure
Alpha video card failure
Processor board video electronics failure
Font failure in processor board video circuit
Graphics failure on alpha/graphics card.
No Failure
120
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
eoo.oo ••
. 0 0 . 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 ••••••
. 0 0 • • • • 0
. 0 0 • • • 0 .
. 0 0 • • • 00
. 0 0 • • • • •
0 0 0 0 0 0 0 0