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Hardware Installation SY-6IWM
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JP3 JP7 JP2 JP4
Range of CPU
frequency setting
through BIOS
66MHz
open open
Short
Pin 2-
3
Short
Pin 2-3
66~75 MHz
100MHz
open open
Short
Pin 1-
2
Short
Pin 2-3
100~140MHz
133MHz
open open
Short
Pin 1-
2
Short
Pin 1-2
133~150MHz
2-3.5 CMOS Clearing (JP5)
After you have turned off your computer, clear the CMOS memory by
momentarily shorting pins 2-3 on jumper JP5, for a few seconds. Then restore JP5
to the initial 1-2 jumper setting in order to recover and retain the default settings.
Jumper JP5 can be easily identified by its white colored cap.
CMOS
Clearing
Clear CMOS Data Retain CMOS Data
JP5 Setting
Short pin 2-3 for
at least 5 seconds to
clear the CMOS
Short pin 1-2 to
retain new
settings
Note: You must unplug the ATX power cable from the ATX power connector
when performing the CMOS Clear operation.
1
2
3
1
2
3
1
2
1
2
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3