NEC VT 300 Series manual Processor Jumper Settings

Processor Jumper Settings

To change the processor jumper settings on the system board, use the following steps. NEC CSD recommends using needle-nose pliers to move a jumper.

!CAUTION

Jumpers are set correctly at the factory for your configuration. Only change (or check) the appropriate jumper setting if you are upgrading the processor. Otherwise, keep the jumpers at their factory settings.

1.Power off and unplug the system and any external options.

2.Remove the left side cover (see “Removing the Left Side Cover” in Chapter 4).

!WARNING

System power must be off before changing a jumper setting.

3.Locate the processor/bus speed SW1 jumper block on the system board (see the figure “Locating system board jumpers” earlier in this chapter).

4.Move the jumpers according to the speed of the processor being installed and the settings shown on the following figure.

Configuring the System 3-37