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
)
