Asus P3B-F - Motherboard - ATX User Manual page 20

3. HARDWARE SETUP
TM
4) JumperFree
This allows you to enable or disable JumperFree
allows processor settings to be made through BIOS setup.
NOTE: In JumperFree
Setting
Enable (jumperfree) [2-3] (default)
Disable (jumper)
P3B-F Jumper Mode Setting
NOTE: In JumperFree mode, your system will start up at a bus speed of 66MHz
(2.0x frequency multiplier is used for processors with unlocked multiplier) and
automatically enter BIOS setup for you to select your processor internal speed
after you have changed/reinstalled the processor or after a system hangup due to
improper CPU settings (see 4.4 Advanced Menu).
5) I/O Voltage Setting (JP20)
This jumper allows you to select the voltage supplied to the DRAM, chipset,
and AGP.
Setting
3.50 Volt
3.65 Volt
P3B-F Input/Output Voltage Setting
WARNING!
Using a higher voltage may help when overclocking but may result
in the shortening of your computer components' life. Leave on default setting.
20
Mode Setting (JEN)
TM
mode, all dip switches (DSW) must be set to OFF.
JEN
[1-2]
1 2 3
Jumper
JP20
[1-2] (default)
[2-3]
1 2 3
3.50 Volt
(default)
ASUS P3B-F User's Manual
TM
mode. JumperFree
JEN
1 2 3
JumperFree
JP20
(VIO)
1 2 3
3.65 Volt
TM
mode