Gigabyte GA-IMB410N - Page 17

12) COMA/COMB (Serial Port Headers)
Each 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. Denition Pin No. Denition
1 NDCD- 6 NCTS-
2 NDSR- 7 NDTR-
3 NSIN 8 12V_5V
4 NRTS- 9 GND
5 NSOUT 10 NC
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21
11) SPEAKER (Buzzer Header)
Connects to the buzzer on the chassis front panel. The system reports system startup status by issuing a
beep code. One single short beep will be heard if no problem is detected at system startup.
Pin No. Denition
1 VCC
2 NC
3 NC
4 SPK-
DEBUG PORT
G.QBOFM
1
13) LVDS (LVDS Header)
LVDS stands for Low-voltage differential signaling, which uses high-speed analog circuit techniques to
provide multigigabit data transfers on copper interconnects and is a generic interface standard for high-
speed data transmission.
(Note) Connects to the ground pin of the LVDS.
Pin No. Denition Pin No. Denition Pin No. Denition
1 LCD_VCC 15 -RXO3_C 29 CABLE_DET
(Note)
2 LCD_VCC 16 +RXO3_C 30 -RXE3_C
3 VCC3 17 GND 31 +RXE3_C
4 NC 18 -RXECLKO_C 32 GND
5 NC 19 +RXECLKO_C 33 -RXECLKE_C
6 -RXO0_C 20 GND 34 +RXECLKE_C
7 +RXO0_C 21 -RXE0_C 35 GND
8 GND 22 +RXE0_C 36 SC_BKLT_EN
9 -RXO1_C 23 GND 37 SC_BKLT_CTL
10 +RXO1_C 24 -RXE1_C 38 FPD_PWR
11 GND 25 +RXE1_C 39 FPD_PWR
12 -RXO2_C 26 GND 40 FPD_PWR
13 +RXO2_C 27 -RXE2_C
14 GND 28 +RXE2_C
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