Table of Contents
Advertisement
CPU Voltage Select: JP27-JP32 Default for P54C/P55C(MMX)
Heatsink Fan Power: J28
Keylock/Power LED: JP20
I/O Port Setting: J39 and J40
Turbo LED: JP25
Turbo Switch: JP24 (De-Turbo mode not supported)
(Only turns on/off the turbo LED)
S1570-001-01 http://www.tyan.com
P54C/P55C
JP27
Off
JP28
On
JP29
Off
JP30
Off
JP31
On
JP32
On
pin1
GND
pin2
+12V
pin3
GND
pin1
Power LED +
pin2
NC
pin3
Power LED -
pin4
Keylock
pin5
GND
For Serial Port 1-2
For IR Port
pin1
anode +
pin2
cathode -
10
Cyrix
3.6V
3.5V
3.3V
On
Off
Off
J39
J40
1-2
2-3
2-3
Advertisement
Table of Contents
