AZZA 6IFB, Operation Manual, Page: 18 / 35

PT-6IFB
SYSTEM BOARD
SPECIFICATIONS
I.
9
1. JUMPERS
A jumper is two, three or more pins which may or may not be covered by a plastic
connector plug (mini-jumper). A jumper is used for selecting different system options.
Please make sure all jumpers at correct position before this system board used.
(A) JP4-JP6 CPUs Frequency and Ratio selection quick setting
CPU
(MHz) JP4 JP5 JP6 Remark
233 MHz open open short
266 MHz short short open
300 MHz open short open
(B) JP9 Clear CMOS button
Pin # Function
1-2
Normal operation
2-3 Clear CMOS
( Note : 1. Before you clear CMOS, you must pull out the power supply
plug from the wall first.
2. Don't forget to turn this jumper return 1-2 within 3 to 5
seconds then re-plug the power supply plug in the wall . )
(C) JP10 ROM BIOS Selection
Pin # Function
1-2
For +5V FLASH ROM
2-3 For +12V FLASH ROM