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12) 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.
1
25
13) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
19
20
DEBUG
PORT
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. 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
• When installing the battery, note the orientation of the positive side (+) and the negative side (-) of the battery
• Used batteries must be handled in accordance with local environmental regulations.
Pin No. Definition
2
1
STB-
2
AFD-
3
PD0
4
ERR-
5
PD1
6
INIT-
7
PD2
26
8
SLIN-
9
PD3
10
GND
11
PD4
12
GND
13
PD5
Pin No. Definition
1
LCLK
1
2
GND
3
LFRAME
2
4
No Pin
5
LRESET
6
NC
7
LAD3
8
LAD2
9
VCC3
10
LAD1
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.
about the battery model.
(the positive side should face up).
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
Pin No. Definition
11
LAD0
12
GND
13
NC
14
NC
15
SB3V
16
SERIRQ
17
GND
18
NC
19
NC
20
SUSCLK
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