30) CLR_CMOS (Clearing CMOS Jumper)
UsethisjumpertocleartheCMOSvalues(e.g.dateinformationandBIOScongurations)andreset
the CMOS values to factory defaults. To clear the CMOS values, place a jumper cap on the two pins to
temporarily short the two pins or use a metal object like a screwdriver to touch the two pins for a few
seconds.
31) AT_CN (AT/ATX Power Mode Select Jumper)
Open: Normal operation (Default setting)
Close: Clear CMOS data
1
1
1-2 Close: AT mode.
2-3 Close: ATX mode. (Default setting)
PinNo. Denition
1 TXD5_AT MODE
2 TXD5
3 TXD5_AT