Overdrive Processor Troubleshooting; Simm Memory Installation - NEC POWERMATE P60D Service Manual

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 beep-
ing occurs, turn off the computer and try again. If the beeping persists, see Section 4,
Maintenance and Troubleshooting.
Table Section 3-2 summarizes problems that may develop after installing a OverDrive proc-
essor and lists in sequential order suggested corrective actions.
Table Section 3-2 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

SIMM Memory Installation

The system board comes standard with 8 MB of memory. Memory over the first megabyte
of RAM is extended RAM. The desktop system supports up to 80 MB of memory while the
minitower supports up to 136 MB.
NOTE: The metal plating on the SIMM stick
connectors must match the metal plating in the
SIMM sockets of the computer. Use tin-plated
SIMM sticks with tin-plated SIMM sockets.
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.
1. Press to run setup and view parameters.
F1
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.
Options 3-13