Gigabyte Ga7n400 Manual

Hardware Installation Process
English
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7) FDD (Floppy Connector)
Please connect the floppy drive ribbon cables to FDD. It supports 360K, 1.2M, 720K, 1.44M and
2.88M bytes floppy disk types.
The red stripe of the ribbon cable must be the same side with the Pin1.
8) IDE1 / IDE2 (IDE1 / IDE2 Connector)
Important Notice:
Please connect first hard disk to IDE1 and connect CD-ROM to IDE2.
The red stripe of the ribbon cable must be the same side with the Pin1.
1 33
2 34
39 40
IDE11 2
IDE2...

- 28 - N400 Pro2 / N400 Series Motherboard
English
Silicon Image Sil3112 chip supports Serial ATA
connectors hot plug function.

 For GA-7N400 Pro2 only.   For GA-7N400 only.  For GA-7N400-L only.
9) IDE3 / IDE4 (RAID/ATA133, Green Connector)(
)
Important Notice: The red stripe of the ribbon cable must be the same side with the Pin1. If you wish
to use IDE3 and IDE4, please use it in unity with BIOS (either RAID or ATA133). Then, install the
correct driver to have proper operation. For details, please...

Introduction
English
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11) F_PANEL (2 x 10 pins Connector)
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 above.
HD (IDE Hard Disk Active LED)Pin 1: LED anode(+)
(Blue) Pin 2: LED cathode(-)
SPK (Speaker Connector)Pin 1: VCC(+)
(Amber)Pin 2- Pin 3: NC
Pin 4: Data(-)
RES (Reset Switch)Open: Normal Operation
(Green)Close: Reset Hardware System
PW (Soft Power Connector) Open: Normal...

- 30 - N400 Pro2 / N400 Series Motherboard
English
12) BATTERY
CAUTION
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 the power cord.
2. Remove the battery, wait for 30 second.
3. Re-install the battery.
4. Plug the power cord and turn ON the computer.
13) PWR_LED
PWR_LED is connect...

Hardware Installation Process
English
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+_
14) RAM_LED
Do not remove memory modules while RAM_LED is on. It might cause short or other unexpected
damages due to the stand by voltage. Remove memory modules only when AC power cord is
disconnected.
+_
15) 2X_DET
When an AGP 2X (3.3V) card is installed the 4X_AGP will light up, indicating a non-supported
graphics card is inserted. Informing users that system might not boot up normally due to AGP 2X
(3.3V) is not supported by the chipset....

- 32 - N400 Pro2 / N400 Series Motherboard
English
Pin No. Definition
1 MIC
2 GND
3 REF
4 Power
5 Front Audio (R)
6 Rear Audio (R)
7 Reserved
8 No Pin
9 Front Audio (L)
10 Rear Audio (L)
1 10 9
2
16) F_AUDIO (Front Audio Connector)
If you want to use Front Audio connector, you must remove 5-6, 9-10 Jumper.
In order to utilize the front audio header, your chassis must have front audio connector. Also please
make sure the pin assigment on the cable is the same as the pin assigment on the MB header. To
find...

Hardware Installation Process
English
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18) SPDIF_IO (SPDIF In / Out Connector)
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. Be careful with the polarity of the SPDIF_IO connector. Check the pin
assignment carefully while you connect the SPDIF_IO cable, incorrect connection between the
cable and connector will make the device unable to...

- 34 - N400 Pro2 / N400 Series Motherboard
English
20) AUX_IN (AUX In Connector)
Connect other device (such as PCI TV Tunner audio out) to the connector.
Pin No. Definition
1 AUX-L
2 GND
3 GND
4 AUX-R1
21) F_USB (Front USB Connector, Yellow)
Be careful with the polarity of the front USB connector. Check the pin assignment carefully while
you connect the front USB cable, incorrect connection between the cable and connector will make
the device unable to work or even damage it. For optional front USB...

Hardware Installation Process
English
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Pin No. Definition
1 TPA2+
2 TPA2-
3 GND
4 GND
5 TPB2+
6 TPB2-
7 Power
8 Power
9 No Pin
10 GND
22) F1_1394 / F2_1394 (Front IEEE1394 Connector)  (
)
Serial interface standard set by Institute of Electrical and Electronics Engineers, which has features
like high speed, highbandwidth and hot plug. Be careful with the polarity of the IEEE1394 connector.
Check the pin assignment carefully while you connect the IEEE1394 cable, incorrect connection
between the cable...

- 36 - N400 Pro2 / N400 Series Motherboard
EnglishPin No. Definition
1 VCC
2 GRX1_R
3 GND
4 GPSA2
5 VCC
6 GPX2_R
7 GPY2_R
8 MSI_R
9 GPSA1
10 GND
11 GPY1_R
12 VCC
13 GPSB1
14 MSO_R
15 GPSB2
16 No Pin
24) GAME (Game Connector)
This connector supports joystick, MIDI keyboard and other relate audio devices. Check the pin
assignment while you connect the game cables. Please contact your nearest dealer for optional
game cables.
1 215
16
25) INFO_LINK
This connector allows you to connect some external devices...