Chapter 2: Installation
2-15
USB Wake-Up
Use JPUSB to enable or disable
USB Wake-Up, which allows you
to wakeup the system by de-
pressing a key on the keyboard or
by clicking the mouse when either
is connected to the USB0 or USB1
port. This jumper is used together
with the USB Wake-Up function in
BIOS. Enable both the jumper and
the BIOS setting to allow the sys-
tem to be woken up. See the table
on the right for jumper settings.
Jumper
Position
1-2
2-3
Definition
Disabled
Enabled
USB Wake-Up
Jumper Settings
(JPUSB)
Watch Dog Enable/Disable
JP2 enables and disables the
Watch Dog function. Watch Dog
is a system monitor that will re-
start the system if a software ap-
plication freezes operations. This
jumper is used together with the
Watch Dog enable function in
BIOS. Enable both the jumper and
the BIOS setting to use the Watch
Dog feature. See the table on the
right for jumper settings.
Jumper
Position
Open
Closed
Definition
Disabled
Enabled
Watch Dog Enable
Jumper Settings (JP2)
Front Side Bus Speed
JP1 is used to set the system
(front side) bus speed for the pro-
cessors. It is best to keep this
jumper set to Auto. Note that the
P4SGL only supports 400 MHz
FSB speed. This jumper is used
together with the CPU Clock set-
ting in BIOS. See the table on the
right for jumper settings.
Jum per
Position
Pins 1-2
Pins 2-3
Open
Definition
Auto
400 MHz
533 Mhz
Front Side Bus Speed
Jumper Settings (JP1)
