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The COM 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.
9
1
1
10
2
2
3
4
5
the CMOS values, 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 before clearing the CMOS values.
This motherboard provides a chassis detection feature that detects if the chassis cover has been removed.
This function requires a chassis with chassis intrusion detection design.
Pin No.
1
1
2
in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low
level, or the CMOS values may not be accurate or may be lost.
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2.
object like a screwdriver to touch the positive and negative terminals of the battery holder,
3. Replace the battery.
4. Plug in the power cord and restart your computer.
Always turn off your computer and unplug the power cord before replacing the battery.
Replace the battery with an equivalent one. Danger of explosion if the battery is replaced with an incorrect model.
Contact the place of purchase or local dealer if you are not able to replace the battery by yourself or uncertain
about the battery model.
Used batteries must be handled in accordance with local environmental regulations.
Pin No.
NDCD-
6
NDSR-
NSIN
7
NRTS-
NSOUT
8
NCTS-
NDTR-
9
NRI-
GND
10
No Pin
Signal
GND
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