North Star DIMENSION Service Manual page 56

TROUBLESHOOTING
Boot Problems (cont.)
Symptom Explanation Solution
(continued)
7. Sign -on at a workstation.
o If no characters appear on the screen when you
type , do the following:
Unplug the keyboard and plug it back in
again.
Turn off the central module , wait 30 seconds,
then turn on it back on.
Replace the keyboard , workstation cable, or
workstation board.
o If the workstation hangs after the password has
been typed, check that:
- Two or more workstation board thumbwheel
switches are not set to the same setting
8. The two line banner appears followed by the A>
prompt.
o If the banner and prompt do not appear, try
another diskette.
The system
doesn't boot
from the
diskette
drive, and a
hardware
problem is
suspected.
1. Disconnect all peripheral devices from the central
module and workstation.
2. Remove workstation boards . Reinstall one
workstation board without expansion RAM.
3. Remove central board expansion RAM board.
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