Clearing Cmos - NEC POWERMATE PROFESSIONAL - SERVICE MANUAL 05-1997 Service Manual

12. Replace the system unit cover. Reconnect the system power cables and
peripheral devices.
13. Power on the system.
Run Setup (see Section 2).
14.

Clearing CMOS

If you want to return the system to the factory default settings, use the following procedure
to clear CMOS to the default factory settings.
1. Power off the system and unplug any peripherals.
2. Remove the system unit cover (see "Removing the System Unit Cover in
Section 3).
3. Locate the CMOS Clear jumper on the system board (see "System Board Jumper
Locations" in the previous subsection). The default setting for this jumper is pins
5-6 (keep CMOS settings).
You may have to remove any installed expansion boards to access the jumpers
(see "Removing Expansion Boards" in Section 3).
Remove the jumper block from pins 4-5 and set it on pins 5-6.
4.
CAUTION: Clearing CMOS changes the setup
configuration, including hard disk settings.
WARNING: The system power must be off
before removing the cover and changing a
jumper setting.
Clear CMOS
Normal Operation
(Default)
Clear CMOS
Figure B-4 Clear CMOS Jumper
System Board Settings
Jumpers
C
1 4
2 5
3 6
14
1 4
C
2 5
3 6
B-7