HP 300

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 •••••••
.000000.
00000.0.
.00000 ••
.0000.00
.000.00 •
•
000.0.0
.000 •• 0.
.00.00.0
eoo.oo ••
.00.0.00
.00 •• 000
.00.0000
.00.000.
through
.00 •• 00.
through
.0 ••••••
.00 •••• 0
.00 ••• 0.
.00 ••• 00
.00 •••••
00000000
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