Gigabyte Ga-78lmt-usb3 Manual

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Line In Jack (Blue)
The line in jack. Use this audio jack for line in devices such as an opt\
ical drive, walkman, etc.
Line Out Jack (Green)
The line out jack. Use this audio jack for a headphone or 2-channel speaker. This jack can be used to connect front speakers in a 4/5.1/7.1-channel audio configuration.
Mic In Jack (Pink)
The Mic in jack. Microphones must be connected to this jack.
To  configure  7.1-channel  audio,  you  have  to  use  an  HD  front  panel  audio  module  and  enable  the...

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1-7 Internal Connectors
1)AT X _12 V
2)AT X
3)CPU_ FAN
4)SYS _ FAN
5)IDE
6)SATA2 0/1/2/3/4/5
7)BAT 
8)F_ PA N E L
9)F_ A U D I O
10)S P D I F_ O
11)F_USB30
12)F_ U S B1/ F_ U S B 2
13)COM
14)LPT
15)CLR_CMOS
12
7
10
13
4
2
5
15
6
6
14911813
Read the following guidelines before connecting external devices: •First make sure your devices are compliant with the connectors you wish \
to connect. •Before installing the devices, be sure to turn off the devices and your computer. Unplug the power cord from...

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1/2) ATX_12V/ATX (2x4 12V Power Connector and 2x12 Main 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, first make sure the power supply is turned off and all devices are properly installed. The power connector possesses a foolproof design. Connect the power supply cable to the power connector in the correct orientation. The 12V power connector mainly supplies...

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5) IDE (IDE Connector)  The IDE connector supports up to two IDE devices such as hard drives and optical drives. Before attaching the IDE cable, locate the foolproof groove on the connector. If you wish to connect two IDE devices, remember to set the jumpers and the cabling according to the role of the IDE devices (for example, master or slave). (For information about configuring master/slave settings for the IDE devices, read the instructions from the device manufacturers.)
6) SATA2 0/1/2/3/4/5...

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8) F_PANEL (Front Panel Header)  Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor and system status indicator on the chassis to this header according to the pin assignments below. Note the positive and negative pins before connecting the cables.
 •PW (Power Switch): Connects to the power switch on the chassis front panel. You may configure  the  way  to  turn  off  your  system  using  the  power  switch (refer to Chapter 2, "BIOS Setup," "Power...

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11) F_USB30 (USB 3.0/2.0 Header)  The  header  conforms  to  USB  3.0/2.0  specification  and  can  provide  two  USB  ports.  For  purchasing  the optional 3.5" front panel that provides two USB 3.0/2.0 ports, please co\
ntact the local dealer.
10) 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...

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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.DefinitionPin No.DefinitionPin No.Definition
1STB-10GND19ACK-2AFD-11PD420GND3PD012GND21BUSY4ERR-13PD522GND5PD114GND23PE6INIT-15PD624No Pin7PD216GND25SLCT8SLIN-17PD726GND9PD318GND
DEBUG 
PORT
G.QBOFM
122625
Chapter 2  BIOS Setup
 •Because BIOS flashing is potentially risky, if you do not encounter problems...

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2-1 Startup Screen
The following startup Logo screen will appear when the computer boots.(Sample BIOS Version: FAa)A. The LOGO Screen (Default)
Function Keys
 •If  you  do  not  find  the  settings  you  want  in  the  Main  Menu  or  a  submenu,  press  +  to  access  more advanced options. •When the system is not stable as usual, select the Load Optimized Defaults item to set your system to its defaults. •The BIOS Setup menus described in this chapter are for reference only an\
d may differ by...

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 &Internal Graphics Mode Allows you to determine whether to allocate system memory for the onboard graphics controller. Disabled    Disables the onboard graphics controller. UMA      Allocates memory for the onboard graphics controller from the system mem\
ory. (Default)
 &UMA Frame Buffer Size Frame buffer size is the total amount of system memory allocated solely for the o\
nboard graphics controller. MS-DOS, for example, will use only this memory for display. Options are: Auto...

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 &VGA Core Clock(MHz) Allows you to set the onboard graphics clock. The adjustable range is from 200 MHz to 2000 MHz. This item is configurable only if the VGA Core Clock control option is set to Manual.
 &CPU Clock Ratio Allows you to alter the clock ratio for the installed CPU. The adjustable range is dependent on the CPU being installed.
 &CPU NorthBridge Freq. Allows you to alter the North Bridge controller frequency for the installed CPU. The adjustable range is dependent on the CPU being...