VIA 693A ATX
MAINBOARD
HARDWARE SETUP
3-16
(E) JP100 & JP133: FSB Clock Selection
JP100 and JP133 are designed on the board to select the Front Side Bus (FSB)
clock speed for some special purpose.
(Please do not attempt to change this setting
unless you are the technician)
. Please refer to the following for functional
description..
JP100
1 2
3
4
DIMM3
BIOS
DIMM2
DIMM1
+
JP133
1 2
3
4
FSB
JP100
JP133
CLOCK
Pin 1 & Pin 2 Pin 3 & Pin 4 Pin 1 & Pin 2 Pin 3 & Pin 4
Auto
Short
Open
Short
Open
66MHz
Open
Short
Open
Short
100MHz
Open
Open
Open
Short
133MHz
Open
Open
Open
Open
Note:
1.
JP100 and JP133 will have no function unless "Default" is
selected in the "
CPU Host PCI/Clock " in the BIOS setup
program ( refer to Section. 4-6 ). Please do not to make jumper
setting on JP100 and JP133 unless you are the professional
technician.
2.
When "Default" is selected, you may use JP100 and JP133 to
select different speed of CPU FSB clock and force your CPU
to use that clock speed instead of letting the system BIOS to
select the CPU clock automatically.
