AZZA PT-5IT - Page 16

PT-5IT SYSTEM BOARD HARDWARE SETUP
9
(3) AMD K5 /K6 CPUs
CPU Type JP5 JP6 JP7 JP8 JP9 Remark
AMD-K5-PR75 1-2 1-2 1-2 open open
AMD-K5-PR90 2-3 1-2 1-2 open open
AMD-K5-PR100 1-2 2-3 1-2 open open
AMD-K5-PR120 2-3 1-2 1-2 open open
AMD-K5-PR133 1-2 2-3 1-2 open open
AMD-K5-PR150 1-2 1-2 2-3 short short
AMD-K5-PR166 1-2 2-3 1-2 short short
AMD-K6-PR166 1-2 2-3 1-2 short short
AMD-K6-PR200 1-2 2-3 1-2 open short
(B) JP10, JP11, JP12 CPU operating voltage selection
Note : For the detailed CPU-VCC requirement, please inquire of your CPU
supplier.
CPU VCC
I/O CORE JP10 JP11 JP12 Remark
voltage voltage
+ 3.52 V 1-2 1-2 1-2 *
+ 3.3 V + 2.8 V 2-3 2-3 2-3 **
Remark :
* : For the single-VCC required CPUs. (e.g. Intel P54C, Cyrix 6x86,
AMD-K5-xxAB?,AMD-K5-xxAC?, AMD-K5-xxAF? ... etc.)
** : For the dual-VCC required CPUs.(e.g. Intel P55C,Cyrix 6x86L,
AMD-K5-xxAH? ,AMD-K5-xxAJ? ,AMD-K6... etc.)
(C) JP4 Clear CMOS button
Pin # Function
1-2 Normal operation
2-3 Clear CMOS (Note : Don't forget to turn this jumper
return 1-2 within 3 to 5 seconds)