Owner's Manual

- 27 - Hardware Installation

13) COMB (Serial Port Header)

The COMA 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.

Pin No. Denition

1 NDCD-

2 NSIN

3 NSOUT

4 NDTR-

5 GND

6 NDSR-

7 NRTS-

8 NCTS-

9 NRI-

10 No Pin

14) CLR_CMOS (Clearing CMOS Jumper)

Use this jumper to clear the CMOS values (e.g. date information and BIOS congurations) 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 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

Defaults) or manually congure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS

congurations).