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13) COMA (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.
9
1
10
2
14) 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
15) CLR_CMOS (Clear CMOS Jumper)
Use this jumper to clear the BIOS configurations and reset the CMOS values to factory defaults. To clear
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 and unplug the power cord from the power outlet before clearing the CMOS values.
• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or manually
configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS configurations).
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-
5
PD1
2
6
INIT-
7
PD2
8
SLIN-
9
PD3
- 18 -
Pin No. Definition
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
10
No Pin
Pin No. Definition
Pin No. Definition
10
19
GND
11
20
PD4
12
21
GND
13
22
PD5
14
23
GND
15
24
PD6
16
25
GND
17
26
PD7
18
GND
ACK-
GND
BUSY
GND
PE
No Pin
SLCT
GND
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