NEC POWERMATE P - SERVICE MANUAL 1996 Service And Reference Manual page 157

5. Reinstall the system cover.
6. Connect the system unit and any peripherals.
Turn on the system. The system displays a system configuration error message.
7.
Turn off the system and unplug the system and any connected peripherals.
8.
9. Remove the system cover and the jumper from the BIOS Recovery jumper block
pins
10. Install any removed expansion boards.
11. Reinstall the system cover and power up the system and peripherals.
Run Setup to reconfigure the system (see Section 2).
12.
System Board Jumpers B-5