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. Pin No.
1 NDCD- 6
2 NSIN 7
3 NSOUT 8 NCTS-
4 9
5 GND 10 No Pin
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. Gently remove the battery from the battery holder and wait for one minute. (Or use
a metal object like a screwdriver to touch the positive and negative terminals of the
battery holder, making them short for 5 seconds.)
3.
4. Plug in the power cord and restart your computer.
• Always turn off your computer and unplug the power cord before replacing the battery.
•
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.
• When installing the battery, note the orientation of the positive side (+) and the negative side (-)
of the battery (the positive side should face up).
• Used batteries must be handled in accordance with local environmental regulations.
the CMOS values, 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.
•
Open: Normal
Short: Clear CMOS Values
The status LEDs show whether the CPU, graphics card, memory, and operating system are working
is not working normally; if the BOOT LED is on, that means you haven't entered the operating system yet.
CPU status LED
Graphics card status LED
Memory status LED
Operating system status LED
CPU
VGA BOOT
10
9
2
1
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