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12) COMB (Serial Port Header)
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.
DEBUG
PORT
9
1
10
2
13) LPT (Parallel Port Header)
The LPT header can provide one parallel port via an optional LPT port cable. For purchasing the optional
LPT port cable, please contact the local dealer.
25
26
14) BAT (Battery)
The battery provides power to keep the values (such as BIOS configurations, date, and time information)
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.
• Always turn off your computer and unplug the power cord before replacing the battery.
• Replace the battery with an equivalent one. Damage to your devices may occur 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.
• 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.
Pin No. Definition
1
NDCD-
2
NSIN
3
NSOUT
4
NDTR-
5
GND
Pin No. Definition
1
STB-
2
AFD-
1
3
PD0
4
ERR-
2
5
PD1
6
INIT-
7
PD2
8
SLIN-
9
PD3
10
GND
11
PD4
12
GND
13
PD5
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. Replace the battery.
4. Plug in the power cord and restart your computer.
- 17 -
Pin No. Definition
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
10
No Pin
Pin No. Definition
14
GND
15
PD6
16
GND
17
PD7
18
GND
19
ACK-
20
GND
21
BUSY
22
GND
23
PE
24
No Pin
25
SLCT
26
GND
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