B-2 System Board Settings
CHANGING JUMPER SETTINGS
To change the jumper settings, follow these steps.
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.
1.
Power off and unplug the system and any external options.
WARNING:
The system power must be off
before changing switch settings.
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).
4.
Change the jumper setting to the appropriate position. Change the jumper setting
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.
5.
Reinstall any removed expansion boards (see “Expansion Board Installation” in
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.
