Changing Jumper Settings - NEC POWERMATE PRO2180 - SERVICE MANUAL 1996 Service Manual

B-2 System Board Settings

CHANGING JUMPER SETTINGS

To change the jumper settings, follow these steps.
1. Power off and unplug the system and any external options.
2. Remove the system unit cover (see "Removing the System Unit Cover" in Section
3).
3. Locate the jumper bank on the system board (see Figure Appendix B-1).
You may have to remove any installed expansion boards to access the jumpers
(see "Expansion Board Removal" in Section 3).
Change the jumper setting to the appropriate position. Change the jumper setting
4.
by lifting the plastic block and placing it on the appropriate pins as shown in the
following figures. NEC recommends using needle-nose pliers to move a jumper.
Reinstall any removed expansion boards (see "Expansion Board Installation" in
5.
Section 3).
6. Replace the system unit cover (see "Replacing the System Unit Cover" in Section
3).
7. Plug in the power cord and turn on the computer.
CAUTION: Switches are set correctly at the
factory for your configuration. Only change (or
check) the appropriate jumper setting if you are
upgrading your processor. Otherwise, keep the
switches at their factory settings.
WARNING: The system power must be off
before changing switch settings.