Overdrive Processor Troubleshooting; Overdrive Problems And Solutions - NEC POWERMATE 4100M Service Manual

Section 3
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OverDrive Processor Troubleshooting

If a fault occurs at power-on, verify that the installation was performed correctly. One beep
indicates that the computer has completed its power-on self-test. If intermittent beeping oc-
curs, turn off the computer and try again. If the beeping persists, see Section 4, Mainte-
nance and Troubleshooting.
Table Section 3-1 summarizes problems that may develop after installing a OverDrive proc-
essor and lists in sequential order suggested corrective actions.
Table Section 3-1 OverDrive Problems and Solutions
Problem Symptom
No power Power lamp on computer
status panel will not light.
Operating An invalid configuration
system does message is displayed.
not boot
OverDrive Software does not see
Processor OverDrive Processor.
malfunction
Keyboard or Monitor has prompt, but
mouse cannot input data.
malfunction
Solution
1. Check that the power cord is plugged into the
AC connector on the computer. Check that the
other end of the cord is plugged into a live
properly grounded AC power outlet.
F2
1. Press to run setup and view parameters.
1. Reseat the OverDrive Processor.
2. Check the setup parameters
3. Check the jumper settings (see Section 2).
4. Replace OverDrive Processor.
5. Replace system board.
1. Check that the keyboard is plugged in.
2. Check that the mouse is plugged in.