Quick Reference For Jumpers - TYAN S1570 AT User Manual

3.2 Jumper Settings
CPU Speed Settings for Pentium P54C and P55C:
JP10
off
off
off
on
on
on
on
off
off
CPU Speed Settings for Cyrix/SGS/IBM 6x86/M1:
JP10
on
on
on
DIMM Memory Voltage Select: 3V is Default
DIMM VCC
SIMM Memory Voltage Select: 5V is Default
S1570-001-01 http://www.tyan.com
JP11 JP13 CPU Speed
off 1-2,3-4 75MHz
off 3-4 90MHz
off 1-2 100MHz
off 3-4 120MHz
off 1-2 133MHz
on 3-4 150MHz
on 1-2 166MHz
on 3-4 180MHz
on 1-2 200MHz
JP11 JP13 CPU Speed/ID
off 1-2,3-4 100MHz/P120+
off 3-4 120MHz/P150+
off 1-2 133MHz/P166+
3V
JP39 1-2
JP40 1-2
SIMM VCC 3V
JP34 & JP35 Off
J-36 & JP37 On
9
5V
2-3
2-3
5V
On
Off