Gigabyte GA-686NX User Manual page 17

GA-686NX
1 +12V
2 GND
S1-1: System Speed Selection
t
1
ON For 60 MHz system speed ( CPU 150, 180 MHz ).
OFF For 66 MHz system speed ( CPU 166, 200 MHz ).
S1-2,3,4: CPU INT. / EXT. FREQ. RATIO
t
2 3
ON OFF
OFF ON
ON ON
OFF OFF
Power1: PS/2 POWER connector
t
Function
4
OFF x 2.5
OFF x 3
OFF x 3.5
ON x 4
3-6
Function