Hardware Installation - 28 -
14) CLR_CMOS (Clearing CMOS Jumper)
Usethis jumper to cleartheCMOSvalues (e.g. date informationandBIOS congurations) and reset
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.
• Always turn off your computer and unplug the power cord from the power outlet before clear-
ing the CMOS values.
• After clearing the CMOS values and before turning on your computer, be sure to remove the
jumper cap from the jumper. Failure to do so may cause damage to the motherboard.
• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized De-
faults)ormanuallyconguretheBIOSsettings(refertoChapter2,"BIOSSetup," for BIOS
congurations).
Open: Normal
Short: Clear CMOS Values
13) COM (Serial Port Header)
The COM header can provide one serial port via an optional COM port cable. For purchasing the op-
tional COM port cable, please contact the local dealer.
PinNo. Denition
1 NDCD-
2 NSIN
3 NSOUT
4 NDTR-
5 GND
6 NDSR-
7 NRTS-
8 NCTS-
9 NRI-
10 No Pin
1
2
9
10
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