Gigabyte GA-Z97-HD3P User Manual - Page 18

COMA Serial Port Header, CLR_CMOS Clear CMOS Jumper, LPT Parallel Port Header

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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. Pin No. Definition Pin No. Definition 1 NDCD- 6 NDSR- 9 1 2 NSIN 7 NRTS- 10 2 3 NSOUT 8 NCTS- 4 NDTR- 9 NRI- 5 GND 10 No Pin 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. Pin No. Definition Pin No. Definition Pin No. Definition 1 STB- 10 GND 19 ACK- 2 AFD- 11 PD4 20 GND 25 1 3 PD0 12 GND 21 BUSY 4 ERR- 13 PD5 22 GND 26 2 5 PD1 14 GND 23 PE 6 INIT- 15 PD6 24 No Pin 7 PD2 16 GND 25 SLCT 8 SLIN- 17 PD7 26 GND 9 PD3 18 GND 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). - 18 -

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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.
Pin No.
Definition
Pin No.
Definition
1
NDCD-
6
NDSR-
2
NSIN
7
NRTS-
3
NSOUT
8
NCTS-
4
NDTR-
9
NRI-
5
GND
10
No Pin
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.
Pin No.
Definition
Pin No.
Definition
Pin No.
Definition
1
STB-
10
GND
19
ACK-
2
AFD-
11
PD4
20
GND
3
PD0
12
GND
21
BUSY
4
ERR-
13
PD5
22
GND
5
PD1
14
GND
23
PE
6
INIT-
15
PD6
24
No Pin
7
PD2
16
GND
25
SLCT
8
SLIN-
17
PD7
26
GND
9
PD3
18
GND
10
9
2
1
26
25
2
1
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.
•
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).
Open: Normal
Short: Clear CMOS Values