6BA
3
MJP8 (Select the system speed between 66.6MHz and 100MHz)
1-2 Close Set system speed to 66MHz
−
system
always run at 66MHz FSB (Front Side Bus).
2-3 Close Set system speed to Auto
−
system
speed detect automatically (66/ 100MHz FSB).
1-2-3 Open Set system speed to 100MHz
−
system
always run at 100MHz FSB (Front Side Bus).
MThere are two ways to set system speed
A. 66MHz forced (JP8 1-2 short) or Auto detect (2-3 short)
B. 100MHz forced (JP8 1-2-3 open) or Auto detect (2-3 short)
+ The black part in the picture is the white extruding piece of the
DIP switch.
1. Pentium II / Celeron 233 / 66 MHz FSB
82443LX
6BA
1
PIIX4
82443BX
83977-EF
BIOS
4
3
2
1
SW
ON OFF
JP8 3 2 1
JP8 3 2 1
1
23
123
1
23