System-Board Switches And Jumpers - IBM x3100 M3 4253 Installation And User Manual

System-board switches and jumpers

The following illustration shows the switches and jumpers on the system board.
The following table describes the jumpers on the system board.
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System x3100 M3 Type 4253: Installation and User's Guide
Table 2. System board jumpers
Jumper number
JP1
JP2
JP3
Jumper name
Clear CMOS jumper
Clear password jumper
BIOS recovery jumper
Jumper setting
v Pins 1 and 2: Normal
(default) - This keeps the
CMOS data.
v Pins 2 and 3: This clears
the CMOS data such as
power-on password and
administrator password,
and loads the default BIOS
settings.
v Pins 1 and 2: Normal
(default).
v Pins 2 and 3: This clears
the power-on password
and administrator
password.
v Pin 1 and 2: Boot normally
(default).
v Pin 2 and 3: BIOS
recovery from a bootable
USB key which contains
the new BIOS image file.