Digital Equipment DECstation 5000/100 Series, Maintenance Manual

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Start
Do the left diagnostic LEDs
display 0010 or 0001?
Find the option module that has the
same slot number as the number
displayed on the left LEDs.
Is the option module a 2D
graphics accelerator module?
Replace the VSIMM on the 2D
graphics accelerator module. If the
problem persists, replace the entire
2D graphics accelerator module.
Replace the option module.
The power-up self-test completed
successfully.
Replace the VSIMM on the 2D
graphics accelerator module. If the
problem persists, replace the entire
2D graphics accelerator module.
Is the option module
in slot 0 a 2D graphics
accelerator module?
Yes
Yes
Replace the option module in
slot 0.
Do the right LEDs
display 0000?
No
No
No
No
Yes
Yes
Yes
No
Do the left diagnostic LEDs
display 0000?
WS33M103
End
End
End
End
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Figure 4-4. Troubleshooting when the LED display is 0010 0011,
0001 0011, 0000 0011, or 0000 0000
Identifying Failed FRUs 4–9