Technical data

FRU Replacement
5-28
Jumpers and Switch Settings
The following table lists the main logic board switch settings and factory-default
settings. Figure 5-14 shows the switch locations.
CAUTION:
Do not touch any electronic component unless you
are safely grounded. Wear a grounded wrist strap or touch an
exposed metal part of the server chassis. A static discharge from
the fingers can result in permanent damage to electronic
components.
Feature Function Setting Description
BIOS
Protection
Normal
(1)
BIOS
protection ON
SW1-1, off
(1)
SW1-1, on
This switch should be set to BIOS
Protection (ON) at the factory to
prevent unauthorized personnel from
loading a new server BIOS.
Recovery
mode
Normal
(1)
Recovery
mode
SW1-2, off
(1)
SW1-2, on
If the BIOS upgrade failed, refer to the
README.TXT file that came with the
BIOS upgrade.
Password
clear
Normal
(1)
Password
clear
SW1-3, off
(1)
SW1-3, on
If you forget the password, set this
switch to the Password Clear (ON)
position and then restart the server.
Refer to Chapter 2 for more
information.
CMOS
clear
Normal
(1)
CMOS clear
SW1-4, off
(1)
SW1-4, on
This switch is set to Normal (OFF) at
the factory.
(1) Factory default setting
ON = switch up; OFF = switch down