HP 200 Series Hardware Support Document page 69

Troubleshooting and Diagnostics
61
2. If the self-test generates error messages, a hardware problem exists. The defective section is
indicated by the displayed number according to this chart:
Boot ROM Error Codes
(A filled circle represents a lit LED.)
Hexadecimal
LEDs Equivalent
Probable Failure What to Do
00000000
00
No Failure Detected
0.000.00
44
Top RAM Failed Test
Check RAM Addressing
0.0.00.0
52 No Keyboard DT ACK
Replace Processor Board
0.0.0.00
54 No HP-IB DTACK
Replace Processor Board
0.0 • • • • 0
5E No Alpha DTACK
Replace Video Interface
0.0 • • • • •
5F No Graphics DTACK
Replace Video Interface
o •• XXXXX
60
to 7F
110
Card at XXXXX no DTACK
Replace
110
Card at Select
Code XXXXX
0 • • 0.00.
69 No RS-232 DTACK
Replace Processor Board
.000000.
81 CPU Failed
Replace Processor Board
.00000 • •
83 Boot ROM Failed Checksum
Replace Processor Board
.0000.00
84
Top RAM Failed Test
Check RAM Addressing
Replace Processor Board
.000.00.
89 RAM Failure
Check RAM Addressing
Replace Processor Board
.000.0.0
8A Insufficient RAM
Check RAM Addressing
Replace Processor Board
.000 • • 0.
80 ROM Operating System Failed
Replace ROM Operating
Checksum
System
Replace Processor Board
Replace
110
Connectorboard
.00.00.0
92
Keyboard Processor Failed
Replace Processor Board
.00.0.00
94 HP -IB Failed
Replace Processor Board
.00 • • 000
98 DMA Card Failed
Replace DMA Card
Replace Processor Board
.00 • • • • 0
9E Alpha Failed
Replace Video Interface
.00 • • • • •
9F Graphics Failed
Replace Video Interface
.o.X XXXX
AO to BF
110 Card at XXXXX Failed
Replace
110
Card at Select
Code XXXXX
Replace Processor Board
Replace 110 Connectorboard
........
FF LEOs Never Accessed
Replace Processor Board