Table 5-5. Self-Test Sequential State Led Codes - HP 330 Service Information Manual

Table 5-5. Boot ROM Sequential State LED Codes
Explanation
LED ripple (all on, then off in sequence from MSB)
Testing top RAM
Searching for boot extension ROMs
Starting test vector list
Testing Processor Board Timer
Resetting I/O
Testing Alpha Card
Testing system interface board keyboard electronics
Checksurnnling Boot ROM
Preloading RAM
Testing graphics on alpha/graphics card
Testing system interface board HP-IB
Testing system interface board D MA
Testing I/O card on Select Code 0
Testing I/O card on Select Code 1
through
Te ing I/O Card on Select Code 9
through
Testing I/O card on Select Code 31
Testing RAM
LED Code
o
0 0 0 0 0 0 .
o
0 0 0 0 • 00
o
0 000 • • 0
0 0 0 0 0 • • •
o
0 0 0 0 •
O.
o
0 0 0 0
0 . 0
0 0 0 • • • • 0
0 0 0 . 0 0 • •
0 0 0 0 0 0 • •
o
0 0 O. 0 00
0 0 0 • • • • •
000 • 0 • 00
000 • •
0 00
o
O. 0 0 0 00
o
0 • 0 0 0 O.
through
o
0 • 0 • 0 O.
through
00 • • • • • •
o
0 0 0 . 0 0 .
Troubleshooting
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