Configuring System Jumpers; Before You Begin; System Board Jumper Block - NEC Express5800 series User Manual

Configuring System Jumpers

Before You Begin

Only a qualified technical person should perform the procedures in this section.
Electrostatic discharge (ESD) can damage the system
board. Modify the system board only at an ESD workstation.
Otherwise, wear an antistatic wrist strap attached to chassis
ground.
With the pre-installed Setup utility, you can set desired passwords to protect the
data stored in the server against access from unauthorized users. When you
forget the passwords, however, you may want clear them. The following
describes how to clear these passwords. You can also use the following
procedure to clear the CMOS data in the server.
Clearing the CMOS data installs the factory-set configuration
data.

System Board Jumper Block

The jumper block on the system board enables you to set specific operating
parameters for your system. A jumper is a small plastic-encased conductor
(shorting plug) that slips over two jumper pins See Figure 3-2.
Figure 3-1 shows the location of the system board jumpers. Table 3-4 lists the
system board jumpers and their factory default settings.
! CAUTION
! CAUTION
15 13 11 9 7 5
16 14 12 10 8 6
CMOS PW
Figure 3-1. System Board Jumpers
3 1
4 2
Configuring Your System 3-25