PT-5V3T/5VMT
SYSTEM BOARD
HARDWARE SETUP
3-19
(C) JP1 ROM BIOS selection (option)
Different types of Flash ROM can be used on the mainboard and they may have
different DV voltage requirement. Basically, the jumper setting is always made by
factory and you do not have to make any change on this jumper. Following is the
setting to select the voltage for the Flash ROM:
Pin # Function
1-2
for +5V FLASH ROM
2-3
for +12V FLASH ROM
(D) JP2 Clear CMOS button
Pin # Function
1-2
Normal Operation
2-3
Clear CMOS
(E) JP3, JP4, JP5,JP12 DRAM Clock selection
JUMPERS
FUNCTION
JUMPERS
FUNCTION
1
¡ ¡
●
JP3
AGPCLK
1
●
¡ ¡
JP3
CPUCLK
1
¡ ¡
●
JP4
will be used in the
1
●
¡ ¡
JP4
will be used in the
1
¡ ¡
●
JP5
DRAM subsystem
1
●
¡ ¡
JP5
DRAM subsystem
1
●
¡ ¡
JP12
1
¡ ¡
●
JP12
(F) JP6
Cyrix Linear Burst Mode
Pin #
Function
Open
For other CPUs
Short
For Cyrix CPU