FIC a440 Service Manual
The S4 Jumper setting PIN1 PIN2 PIN3 PIN4
For 66 External Frequency ON OFF OFF OFF
For 100 External Frequency ON ON ON OFF
For 133 External Frequency OFF OFF ON OFF
S4 – CPU/PCI BUS CLOCK
Pos #4
Pos #4
Pos #3 Pos #2 Pos #1 CPU
PCI
OFF OFF OFF OFF 91.5 30.5
OFF OFF OFF ON 66.82 33.41
OFF OFF ON OFF 96.22 32.07
OFF OFF ON ON 90 33
OFF ON OFF OFF 133.33
OFF OFF OFF ON 66.82 33.41
OFF OFF ON OFF 96.22 32.07
OFF OFF ON ON 90 33
OFF ON OFF OFF 133.33
33.33
OFF ON OFF ON 83.1 27.77
OFF ON ON OFF 95 31.67
OFF ON ON ON 100 33.3
ON OFF OFF OFF 75 37.5
ON OFF OFF ON 137 34.25
ON OFF ON OFF 83.31 41.65
ON OFF ON ON 105 35
ON ON OFF OFF 109.99
OFF ON ON OFF 95 31.67
OFF ON ON ON 100 33.3
ON OFF OFF OFF 75 37.5
ON OFF OFF ON 137 34.25
ON OFF ON OFF 83.31 41.65
ON OFF ON ON 105 35
ON ON OFF OFF 109.99
36.66
ON ON OFF ON 114.99
38.33
ON ON ON OFF 120 40
ON ON ON ON 124 41.33
S3 –GPI6/CPUSET
ON ON ON ON 124 41.33
S3 –GPI6/CPUSET
S3 ON
OFF
#1 TBD
TBD
S3 – K/B ID
S3
Pos #2
POS #3
US KEYBOARD
OFF
OFF
JP KEYBOARD
OFF
ON
GR KEYBOARD
ON
OFF
RESERVE ON
ON
S3 – CLEAR RTC
S3
ON
OFF
#4 CLEAR CMOS(RTC) DATA
RTC BATTERY NORMAL
Before clear RTC ,must remove adapter and battery.