Gigabyte GA-J1800N-D2H User Manual page 15

10) F_USB (USB 2.0/1.1 Header)
The header conforms to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
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1 9
• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 2.0/1.1 header.
• Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord
from the power outlet to prevent damage to the USB bracket.
11) SPDIF_O (S/PDIF Out Header)
This header supports digital S/PDIF Out and connects a S/PDIF digital audio cable (provided by expansion
cards) for digital audio output from your motherboard to certain expansion cards like graphics cards and
sound cards. For example, some graphics cards may require you to use a S/PDIF digital audio cable for
digital audio output from your motherboard to your graphics card if you wish to connect an HDMI display
to the graphics card and have digital audio output from the HDMI display at the same time.
For information about connecting the S/PDIF digital audio cable, carefully read the manual for your expansion
card.
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12) BAT (Battery)
The battery provides power to keep the values (such as BIOS configurations, date, and time information)
in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low
level, or the CMOS values may not be accurate or may be lost.
• Always turn off your computer and unplug the power cord before replacing the battery.
• Replace the battery with an equivalent one. Danger of explosion if the battery is replaced with
an incorrect model.
• Contact the place of purchase or local dealer if you are not able to replace the battery by yourself
or uncertain about the battery model.
• When installing the battery, note the orientation of the positive side (+) and the negative side (-)
of the battery (the positive side should face up).
• Used batteries must be handled in accordance with local environmental regulations.
Pin No. Definition Pin No. Definition
1 Power (5V) 6
2 Power (5V) 7
3 USB DX- 8
4 USB DY- 9
5 USB DX+ 10
Pin No. Definition
1 SPDIFO
2 GND
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2. Gently remove the battery from the battery holder and wait for one minute. (Or
use a metal object like a screwdriver to touch the positive and negative terminals
of the battery holder, making them short for 5 seconds.)
3. Replace the battery.
4. Plug in the power cord and restart your computer.
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USB DY+
GND
GND
No Pin
NC