Tyan Computer TYAN S1572 ATX - Manual (Page 9)

9 S1572-001-01 http://www.tyan.com
3.2 Jumper Settings
CPU Speed Settings for Pentium P54C and P55C:
JP4 JP5 JP23 CPU Speed
off off 1-2,3-4 75MHz
off off 3-4 90MHz
off off 1-2 100MHz
on off 3-4 120MHz
on off 1-2 133MHz
on on 3-4 150MHz
on on 1-2 166MHz
off on 3-4 180MHz
off on 1-2 200MHz
CPU Speed Settings for Cyrix/SGS/IBM 6x86/M1/AMD:
JP4 JP5 JP6 CPU Speed/ID
on off 1-2,3-4 100MHz/P120+
on off 3-4 120MHz/P150+
on off 1-2 133MHz/P166+
DIMM Memory Voltage Select: 3V is Default
DIMM VCC 3V 5V
JP9 1-2 2-3
JP10 1-2 2-3
Heatsink Fan Power: J18
pin1 GND
pin2 +12V
pin3 GND