Gigabyte GA-EP45-DS5 Manual - Page 32

COMA Serial Port Header, White, CLR_CMOS Clearing CMOS Jumper

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18) COMA (Serial Port Header, White) The COMA header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. 9 1 10 2 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition NDCD ANSIN A NSOUT A NDTR AGND NDSR ANRTS ANCTS ANRI ANo Pin 19) CLR_CMOS (Clearing CMOS Jumper) Use this jumper to clear the CMOS values (e.g. date information and BIOS configurations) 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. Open: Normal Short: Clear CMOS Values • Always turn off your computer and unplug the power cord from the power outlet before clearing 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 Defaults) or manually configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS configurations). GA-EP45-DS5 Motherboard - 32 -

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GA-EP45-DS5 Motherboard
- 32 -
18)
COMA (Serial Port Header, White)
The COMA header can provide one serial port via an optional COM port cable. For purchasing the
optional COM port cable, please contact the local dealer.
Pin No.
Definition
1
NDCD A-
2
NSIN A
3
NSOUT A
4
NDTR A-
5
GND
6
NDSR A-
7
NRTS A-
8
NCTS A-
9
NRI A-
10
No Pin
Open: Normal
Short: Clear CMOS Values
19)
CLR_CMOS (Clearing CMOS Jumper)
Use this jumper to clear the CMOS values (e.g. date information and BIOS configurations) 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
clearing 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
Defaults
) or manually configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for
BIOS configurations).
1
2
9
10