Table 5-4. Self-Test Led State/Failure Led Codes - HP 330 Service Information Manual

Table 5-4a. Model 330/350 Boot ROM LED State and Failure Codes
Explanation
No failure
(In numerical order):
LED ripple (all on, then off in sequence from MSB)
Resetting I/O
LED Code
o
0 0 0 0000
o
0 0 0 0 0 O.
o
0 0 0 0 0 . 0
Checksull1ming Boot ROM (or LED ripple)
0 0 0 0 0 0 • •
Testing top RAM (or maybe the Boot ROM checksum failed)
0 0 0 0 0 • 00
Processor board timer failed or is missing
0 0 0 0 0 • O.
Searching for boot extension ROMs
0 0 0 0 0 • . 0
starting test vector list (or LED ripple)
0 0 0 0 0 • • •
Preloading RAM
0 0 0 0 • 0 00
Testing RAM
Checksull1ming RO M systems
LED ripple
Testing internal keyboard (or an interrupt line is stuck)
Testing external key board
Testing internal HP-IB
Testing internal mass storage
Testing D MA card
Checksun1ming ID/INIT ROM on bit-mapped video board
Testing alpha video board
Testing graphics on alpha/graphics (or LED ripple)
Testing I/O card on select code 0
Testing I/O card on select code 1
through
Testing I/O card on select code 9
through
Testing I/O card on select code 31 (and LED ripple)
Continued on the next page.
o
0 0 0 • 0 O.
o
0 0 0 • •
O.
0 0 0 0 • • • •
o
0 0 • 0 0 . 0
0 0 0 • 0 • 00
0 0 0 • 0 • • 0
o
0 O . O • • 0
o
0 0 • • 0 00
o
0 0 • • •
O.
0 0 0 • • • • 0
0 0 0 • • • • •
0 0 . 0 0 0 00
o
O . 0 0 0 O.
through
o O. O.
0 O.
through
00 • • • • • •
Troubleshooting
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