AT&T PC 6300 - Operating Procedures

DIAGNOSTICS
Operating Procedures
The Resident Diagnostics are executed as follows:
1. Turn the Display's brightness and contrast knobs fully
clockwise.
2. Turn the power switch ON.
3. Keyboard lights (NUM LOCK and GAP LOCK) will blink
during the Boot-up Procedure.
4. The Floppy Resident Diagnostic Screen should look similar to
this:
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1
Resident Diagnostics
Rev X.XX
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Pass
ROM Module
■ Pass
DMA Timer Pass
DMA Control
Pass
Interrupts
Pass
XXX kb RAM
Pass
RT Clock Pass
F1xed Disk: Not Present
Floppy A:
Ready
4-8
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0
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0..^
0
0
0.
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