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S B_
B
12) COMA (Serial Port Header)
_ S
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.
S_
_
B
_ U
_
B
F_USB3 F
13) SPI_TPM (Trusted Platform Module Header)
_B
_
You may connect an SPI TPM (Trusted Platform Module) to this header.
S F_
14) CLR_CMOS (Clear CMOS Jumper)
Use this jumper to clear the BIOS configuration and reset the CMOS values to factory defaults. To clear
B_
the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.
F_USB30 3
Pin No. Definition
9
1
1
2
3
10
2
4
5
S _
Pin No. Definition
1
11
1
2
3
12
2
4
5
6
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
NDCD-
6
NDSR-
NSIN
7
NRTS-
NSOUT
8
NCTS-
F
NDTR-
9
NRI-
GND
10
No Pin
_ 0
_ F
Pin No. Definition
7
Data Output
Chip Select
8
Power (3.3V)
GND
9
No Pin
IRQ
10
NC
NC
11
Data Input
NC
_ 0
F
12
CLK
RST
_3
U
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S
S
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