Gigabyte Gag1975xc Manual

Hardware Installation - 21 -
English1-9 Connectors Introduction
1) ATX_12V_2X4
2) ATX (Power Connector)
3) PCIE_12V
4) CPU_FAN
5) SYS_FAN
6) PWR_FAN
7) NB_FAN
8) FDD
9) IDE1 / IDE2
10) SATAII0_1 / SATAII2_3
11) PWR_LED
12) BATTERY
13) F_PANEL
14) F_AUDIO
15) CD_IN
16) SPDIF_IO
17) SUR_CEN
18) F_USB1 / F_USB2 / GREEN_USB
19) F1_1394 / F2_1394
20) COMA
21) PW1 / PW2
22) RF_ID
23) C I
162
1
134
19
8
15125 6
9
14
182221 17
20
23
10
37
9
11 

GA-G1975X-C Motherboard - 22 -
English
1/2) ATX_12V_2X4 / ATX (Power Connector)
With the use of the power connector, the power supply can supply enough stable power to all the
components on the motherboard. Before connecting the power connector, please make sure that
all components and devices are properly installed.  Align the power connector with its proper
location on the motherboard and connect tightly.
The ATX 12V (2x4) power connector mainly supplies power to the CPU. If the ATX 12V (2x4)
power...

Hardware Installation - 23 -
English
4/5/6) CPU_FAN / SYS_FAN / PWR_FAN (Cooler Fan Power Connector)
The cooler fan power connector supplies a +12V power voltage via a 3-pin/4-pin (only for
CPU_FAN) power connector and possesses a foolproof connection design.
Most coolers are designed with color-coded power connector wires. A red power connector wire
indicates a positive connection and requires a +12V power voltage. The black connector wire is
the ground wire (GND).
Please remember to connect the power...

GA-G1975X-C Motherboard - 24 -
English
7) NB_FAN (Chip Fan Connector)
If you installed wrong direction, the chip fan will not work. Sometimes will damage the chip fan.
(Usually black cable is GND)
Pin No. Definition
1 +12V
2 GND
1
8) FDD (Floppy Connector)
The FDD connector is used to connect the FDD cable while the other end of the cable connects to the
FDD drive. The types of FDD drives supported are: 360KB, 720KB, 1.2MB, 1.44MB and 2.88MB.
Please connect the red power connector wire to the pin1...

Hardware Installation - 25 -
English9) IDE1 / IDE2  (IDE Connector)
An IDE device connects to the computer via an IDE connector. One IDE connector can connect to
one IDE cable, and the single IDE cable can then connect to two IDE devices (hard drive or optical
drive).
If you wish to connect two IDE devices, please set the jumper on one IDE device as Master and
the other as Slave (for information on settings, please refer to the instructions located on the IDE
device).To ensure that an IDE CD-ROM drive...

GA-G1975X-C Motherboard - 26 -
English
11) PWR_LED
PWR_LED is connect with the system power indicator to indicate whether the system is on/off. It
will blink when the system enters suspend mode.
Pin No. Definition
1 MPD+
2 MPD-
3 MPD-
1
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended
by the manufacturer.
Dispose of used batteries according to the manufacturers
instructions.
If you want to erase CMOS...
1. Turn OFF the computer and unplug...

Hardware Installation - 27 -
English13) F_PANEL (Front Panel Jumper)
Please connect the power LED, PC speaker, reset switch and power switch etc. of your chassis
front panel to the F_PANEL connector according to the pin assignment below.
HD (IDE Hard Disk Active LED) Pin 1: LED anode(+)
(Blue) Pin 2: LED cathode(-)
SPEAK (Speaker Connector)Pin 1: Power
(Amber)Pin 2- Pin 3: NC
Pin 4: Data(-)
RES (Reset Switch)Open: Normal
(Green)Close: Reset Hardware System
PW (Power Switch)Open: Normal
(Red)Close: Power...

GA-G1975X-C Motherboard - 28 -
English
15) CD_IN (CD IN)
Connect CD-ROM or DVD-ROM audio out to the connector.
Pin No. Definition
1 CD-L
2 GND
3 GND
4 CD-R
1
Pin No. Definition
1 MIC
2 GND
3 MIC_BIAS
4NC
5 FrontAudio(R)
6NC
7NC
8 No Pin
9 FrontAudio(L)
10 NC
14) F_AUDIO (Front Audio Connector)
If you wish to use the front audio function, connect the front panel audio module to this connector.
Check the pin assignments carefully while you connect the front panel audio module. Incorrect
connection between...

Hardware Installation - 29 -
English16) SPDIF_IO (SPDIF In/Out)
The SPDIF output is capable of providing digital audio to external speakers or compressed AC3
data to an external Dolby Digital Decoder. Use this feature only when your stereo system has
digital input function. Use SPDIF IN  feature only when your device has digital output function.
Be careful with the polarity of the SPDIF_IO connector. Check the pin assignment carefully while
you connect the SPDIF cable, incorrect connection between the...

GA-G1975X-C Motherboard - 30 -
English
Pin No. Definition1 Power(12V)2 Power(12V)3 TPA0+4 TPA0-5 GND6 GND7 TPB0+8 TPB0-9 Power(12V)10 Power(12V)11 TPA1+12 TPA1-13 GND14 No Pin15 TPB1+
16 TPB1-
216
115 F2_1394210
19 F1_1394
Pin No. Definition
1 TPA2+
2 TPA2-
3 GND
4 GND
5 TPB2+
6 TPB2-
7 No Pin
8 Power(12V)
9 Power(12V)
10 GND
19) F1_1394 / F2_1394 (IEEE 1394 Connector)
Serial interface standard set by Institute of Electrical and Electronics Engineers, which has features
like high speed, highbandwidth and...