Tyan Computer TYAN S1472 ATX - Manual (Page 8)

8 S1472-001-01 http://www.tyan.com
3.2 Jumper Settings
CPU Speed Settings for Pentium P54C and P55C:
J31 J21 J22 CPU Speed
1-2, 3-4 Off Off 75 MHz
3-4 Off Off 90 MHz
1-2 Off Off 100 MHz
3-4 On Off 120 MHz
1-2 On Off 133 MHz
3-4 On On 150 MHz
1-2 On On 166 MHz
1-2 Off On 200 MHz
CPU Speed Settings for Cyrix/SGS/IBM 6x86/M1:
J31 J21 J22 CPU Speed CPU ID
1-2, 3-4 On Off 100MHz P120+
3-4 On Off 120MHz P150+
1-2 On Off 133MHz P166+
ATX Power Switch: J20
Power switch from ATX case needs to be connected to J20. The ATX
specification requires a momentary switch (i.e. a switch that just closes
momentarily) for powering on or off the system.