Technical data

4-22 Fault Isolation
Table 4-2. Self Test LED FRU Codes
LED Display FRU Name
Hex
Code
SCSI Device 0
SCSI Device 1
SCSI Device 2
SCSI Device 3
SCSI Device 4
SCSI Device 5
SCSI Device 6
SCSI Device 7
Network Interface Board
Graphics Interface Board
CPU Board (SIO)
Memory
Emulator Bd, CPU Bd, or EEPROM*
System Bus
Apollo Keyboard
CPU Board (Utility)
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
P = Power-OK Indicator S = Service Mode Indicator
= LED On On = Service Mode, Not On = Normal Mode
* Screen displays “Mother Board” for this failure.
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