HP 9817 Handbook page 50

10-4
9817 Reference
Boot ROM Error Codes
Hexadecimal
LEDs Equivalent Probable Failure
0000 0000 00
110
Failure Detected
0100 0100 44 Top RAM Failed Test
0101 0010 52
110
Keyboard DTACK
0101 0100 54
110
HP- IB DTACK
0101 1110 5E
110
Alpha DTACK
0101 1111 5F
110
Graphics DTACK
011X XXXX 60 to 7F I/O Card at XXXXX no
DTACK
0110 1001
69 110
RS-232 DTACK
1000 0001 81 CPU Failed
1000 0011 83 Boot ROM Failed
Checksum
1000 0100 84
1000 1001
89
1000 1010 8A
1000 1101 8D
1001 0010
92
1001 0100 94
1001 1000
98
1001 1110
9E
1001 1111
9F
Top RAM Failed Test
RAM Failure
Insufficient RAM
ROM Operating System
Failed Checksum
Keyboard Processor
Failed
HP- IB Failed
DMA Card Failed
Alpha Failed
Graphics Failed
101X XXXX AO to BF I/O Card at XXXXX
Failed
1111 1111 FF LEDs !lever Accessed
\'!hat to Do
Check RAM Addressing
Replace Processor Board
Replace Processor Board
RepJ~ce
Video Interface
Replace Video Interface
Replace I/O Card at Select
Code XXXXX
Replace Processor Board
Replace Processor Board
Replace Processor Board
Check RAM Addressing
Replace Processor Board
Check RAM Addressing
Replace Processor Board
Check RAM Addressing
Replace Processor Board
Replace Processor Board
Replace I/O Connectorboard
Replace Processor Board
Replace Processor Board
Replace DMA Card
Replace Processor Board
Replace Video Interface
Replace Video Interface
Replace I/O Card at Select
Code XXXXX
Replace Processor Board
Replace I/O Connectorboard
Replace Processor Board