Changing Processor Jumper Settings - NEC POWERMATE ENTERPRISE NETPC Service Manual

B-2 Jumper Settings

Changing Processor Jumper Settings

The following procedure explains how to locate and change the jumper setting when you
upgrade the processor.
1. Power off and unplug the system and any peripherals.
Remove the system unit cover (see "Removing the System Unit Cover" in
2.
Section 3).
Open the system chassis (see "Opening the the System Chassis" in Section 3).
3.
Locate the following jumpers on the system board (see the following figure).
4.
T
J4A1 (pins 1, 2, and 3)
T
J4A1 (pins 4, 5, and 6)
T
J6J1 (pins 4, 5, and 6)
CAUTION: Jumpers are set correctly at the
factory for the configuration.
If the system requires a jumper change, change
only the setting for that condition. Otherwise,
keep the jumpers at their factory settings.
WARNING: The system power must be off
before changing a jumper setting.