Moving System Board Jumpers - NEC MT2200 User Manual

CPU SPEED
333/66 MHz

Moving System Board Jumpers

!
Table 4-11. CPU Speed Jumper Configurations (continued)
J1A J2A
2-3 2-3
Caution: Before doing the procedures in this section,
make sure that your system is powered off and unplug
the AC power cord from the back of the chassis. Failure
to disconnect power before moving the jumpers can
result in personal injury and equipment damage
Notice: Observe static precautions. Use an antistatic
wrist strap.
To configure the system board options:
1. Power off the system and remove the covers as
described in the Upgrades and Options chapter.
2. Check to ensure the system power cord is removed
from the back of the system.
3. Locate the position of the jumpers on the system
board you are changing. Refer to Figure 4-2.
4. To change a jumper setting, use a pair of needle-nose
pliers or your fingers to remove the jumper from its
current location. Position the jumper over the two
pins for the desired setting and press it onto the
pins. Be careful not to bend the pins. Refer to Table
4-10 for system board jumper settings.
5. Record changes to the system board jumpers in Table
4-10.
6. Install the system covers and power up the system
using procedures in chapter 4 of this guide.
7. Run the RCU utility to verify your reconfiguration of
the system board.
Jumper Settings
J3A J4A
1-2 1-2
Configuring Your System
4-31
J5B
2-3