System Configuration 2-5
System Board Jumper Block LocationsA – CMOS Clear (JP4) F – BIOS Recovery (JP5)
B – Audio Modem Riser Select (JP11) G – USB Selection (JP28)
C – Rear USB Device Wakeup (JP3) H – USB Selection (JP27)
D – PS/2 Keyboard Power On (JP16) I – Front USB Wake Up (JP21)
E – Save to RAM (JP18)
To prevent damage to the system board, do not set jumpers while
power is on.
System Board Jumper Block SettingsFunction Jumper Setting Description
CMOS
Clear JP4 2-3
1-2
Factory setting. Maintains system
board configuration in CMOS RAM with
onboard battery.
Clears CMOS while system power is
off. Return jumper to pins 2 and 3
before powering system on.
CAUTION: To prevent damage to
system board, avoid clearing CMOS
while power is on.
Audio
Modem
Riser (AMR)
JP11 1-2
2-3
Factory setting. Enables onboard audio
CODEC.
Disables onboard audio CODEC. Use
this setting if an AMR sound board is
installed.