(Go to GIGABYTE's website for the latest CPU support list.)
Hyper Transport Bus 5200/2000 MT/s
Chipset North Bridge: AMD 790FX
South Bridge: AMD SB600
Memory 4 x 1.8V DDR2 DIMM sockets supporting up to 16 GB of system memory
Dual channel memory architecture
Support for DDR2 1066
(Go to GIGABYTE's website for the latest memory support list.)
Support for ECC memory
Audio Realtek ALC889A codec
High Definition Audio
2/4/5.1/7.1-channel
Support for DTS (dts NEO:PC)
Support for S/PDIF In/Out
Support for CD In
LAN 2 x Realtek 8111B chip (10/100/1000 Mbit)
Expansion Slots 2 x PCI Express x16 slots (PCIE_16_A, PCIE_16_B) supporting ATI
CrossFireXTM technology
(The PCI Express x16 slots conform to PCI Express 2.0 standard.)
2 x PCI Express x8 slots (PCIE_8_A, PCIE_8_B) supporting ATI
CrossFireXTM technology
(The PCI Express x8 slots conform to PCI Express 2.0 standard.)
1 x PCI Express x1 slot
2 x PCI slots
Storage Interface South Bridge:
-1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
-4 x SATA 3Gb/s connectors (SATAII0, SATAII1, SATAII2, SATAII3)
supporting up to 4 SATA 3Gb/s devices
-Support for SATA RAID 0, RAID 1 and RAID 0+1
2 x GIGABYTE SATA2 chip:
-2 x SATA 3Gb/s connectors (GSATAII_1, GSATAII_2) supporting up to
2 SATA 3Gb/s devices
-2 x eSATA 3Gb/s ports on the back panel supporting up to 2 SATA
3Gb/s devices
-Support for SATA RAID 0, RAID 1, and JBOD
iTE IT8718 chip:
-1 x floppy disk drive connector supporting up to 1 floppy disk drive
IEEE 1394 T.I. TSB43AB23 chip
Up to 3 IEEE 1394a ports (1 on the back panel, 2 via the IEEE 1394a bracket
connected to the internal IEEE 1394a headers)
(Note 2)
/800/667 MHz memory modules
(Note 3)
(Note 4)
(Note 1)
GA-MA790FX-DQ6 Motherboard- 10 -
USB Integrated in the South Bridge
Up to 10 USB 2.0/1.1 ports (6 on the back panel, 4 via the USB brackets
connected to the internal USB headers)
Internal Connectors 1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x4-pin PCIe 12V power connector
1 x floppy disk drive connector
1 x IDE connector
6 x SATA 3Gb/s connectors
1 x CPU fan header
2 x system fan headers
1 x power fan header
1 x North Bridge fan header
1 x front panel header
1 x front panel audio header
1 x CD In connector
1 x S/PDIF In header
1 x S/PDIF Out header
2 x USB 2.0/1.1 headers
2 x IEEE 1394a headers
1 x parallel port header
1 x power LED header
1 x chassis intrusion header
Back Panel 1 x PS/2 keyboard port
Connectors 1 x PS/2 mouse port
1 x serial port
1 x coaxial S/PDIF Out connector
1 x optical S/PDIF Out connector
6 x USB 2.0/1.1 ports
1 x IEEE 1394a port
2 x RJ-45 ports
2 x eSATA 3Gb/s ports
6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side
Speaker Out/Line In/Line Out/Microphone)
I/O Controller iTE IT8718 chip
Hardware Monitor System voltage detection
CPU/System temperature detection
CPU/System/Power fan speed detection
CPU overheating warning
CPU/System/Power fan fail warning
CPU/System fan speed control
(Note 5)
English
Hardware Installation- 11 -
English
BIOS 2 x 4 Mbit flash
Use of licensed AWARD BIOS
Support for Dual BIOS
TM
PnP 1.0a, DMI 2.0, SM BIOS 2.3, ACPI 1.0b
Unique Features Support for @BIOS
Support for Download Center
Support for Q-Flash
Support for EasyTune
(Note 6)
Support for Xpress Install
Support for Xpress Recovery2
Support for Virtual Dual BIOS
Bundled Software Norton Internet Security (OEM version)
Overclocking Voltage adjustments in BIOS Setup (CPU/DDR2/Chipset/PCIE/FSB/HTT/
HTR)
allow you to:
-Increase CPU voltage
(Note 7)
-Increase DDR2 voltage by 0.05V to 0.50V with 0.05V increment
-Increase Chipset voltage by 0.05V to 0.40V with 0.05V increment
-Increase PCI Express voltage by 0.05V to 0.45V with 0.05V increment
-Increase FSB voltage by 0.05V to 0.35V with 0.05V increment
-Increase HTT voltage by 0.05V to 0.40V with 0.05V increment
-Increase HTR voltage by 0.05V to 0.45V with 0.05V increment
Frequency adjustments in BIOS Setup (CPU/HT Link/PCIE/DDR2)
allow you to:
-Adjust CPU host frequency from 200 MHz to 500 MHz with 1 MHz
increment
-Adjust HT Link frequency
-Adjust PCI Express frequency from 100 MHz to 200 MHz with
1 MHz increment
-Adjust DDR2 frequency
Operating System Support for Microsoft® Windows® Vista/XP/2000
Form Factor ATX Form Factor; 30.5cm x 24.4cm
(Note 1) Due to Windows XP 32-bit operating system limitation, when more than 4 GB of physical
memory is installed, the actual memory size displayed will be less than 4 GB.
(Note 2) Whether 1066 MHz memory speed is supported depends on the CPU being used.
(Note 3) Use of a CPU that supports ECC is required if you wish to install ECC memory.
(Note 4) If you are installing one or two PCI Express graphics card(s), be sure to install it/them in the
PCIE_16_A or/and PCIE_16_B slot(s) for optimum performance.
When four graphics cards are installed, the PCIE_16_A and PCIE_16_B slots will operate at up
to x8 mode.
(Note 5) Whether the CPU/system fan speed control function is supported will depend on the CPU/
system cooler you install.
(Note 6) Available functions in Easytune may differ by motherboard model.
(Note 7) The adjustable CPU voltage range depends on the CPU being used.
GA-MA790FX-DQ6 Motherboard- 12 -
1-3Installing the CPU and CPU Cooler
Read the following guidelines before you begin to install the CPU:
• Make sure that the motherboard supports the CPU.
(Go to GIGABYTE's website for the latest CPU support list.)
• Always turn off the computer and unplug the power cord from the power outlet before
installing the CPU to prevent hardware damage.
• Locate the pin one of the CPU. The CPU cannot be inserted if oriented incorrectly.
• Apply an even and thin layer of thermal grease on the surface of the CPU.
• Do not turn on the computer if the CPU cooler is not installed, otherwise overheating and
damage of the CPU may occur.
• Set the CPU host frequency in accordance with the CPU specifications. It is not recommended that the system bus frequency be set beyond hardware specifications since it
does not meet the standard requirements for the peripherals. If you wish to set the frequency beyond the standard specifications, please do so according to your hardware
specifications including the CPU, graphics card, memory, hard drive, etc.
1-3-1 Installing the CPU
A. Locate the pin one (denoted by a small triangle) of the CPU socket and the CPU.
English
A Small Triangle Mark
Denotes Pin One of the
Socket
A Small Triangle Marking
Denotes CPU Pin One
AM2 CPU Socket
AM2 CPU
Hardware Installation- 13 -
English
B. Follow the steps below to correctly install the CPU into the motherboard CPU socket.
Before installing the CPU, make sure to turn off the computer and unplug the power
cord from the power outlet to prevent damage to the CPU.
CPU Socket Locking
Lever
Step 1:
Completely lift up the CPU socket locking lever.
Step 2:
Align the CPU pin one (small triangle marking)
with the triangle mark on the CPU socket and
gently insert the CPU into the socket. Make
sure that the CPU pins fit perfectly into their
holes. Once the CPU is positioned into its
socket, place one finger down on the middle of
the CPU, lowering the locking lever and latching it into the fully locked position.
Do not force the CPU into the CPU socket. The CPU cannot fit in if oriented incorrectly. Adjust
the CPU orientation if this occurs.
GA-MA790FX-DQ6 Motherboard- 14 -
1-3-2 Installing the CPU Cooler
Follow the steps below to correctly install the CPU cooler on the CPU. (The following procedure uses
the GIGABYTE cooler as the example.)
English
Step 1:
Apply an even and thin layer of thermal grease
on the surface of the installed CPU.
Step 3:
Hook the CPU cooler clip to the mounting lug on
one side of the retention frame. On the other side,
push straight down on the the CPU cooler clip to
hook it to the mounting lug on the retention frame.
Step 5:
Finally, attach the power connector of the CPU
cooler to the CPU fan header (CPU_FAN) on
the motherboard.
Step 2:
Place the CPU cooler on the CPU.
Step 4:
Turn the cam handle from the left side to the
right side (as the picture above shows) to lock
into place. (Refer to your CPU cooler installation manual for instructions on installing the
cooler.)
Use extreme care when removing the CPU cooler because the thermal grease/tape between
the CPU cooler and CPU may adhere to the CPU. Inadequately removing the CPU cooler
may damage the CPU.
Hardware Installation- 15 -
English
1-4Installing the Memory
Read the following guidelines before you begin to install the memory:
• Make sure that the motherboard supports the memory. It is recommended that memory of
the same capacity, brand, speed, and chips be used.
(Go to GIGABYTE's website for the latest memory support list.)
• Always turn off the computer and unplug the power cord from the power outlet before
installing the memory to prevent hardware damage.
• Memory modules have a foolproof design. A memory module can be installed in only one
direction. If you are unable to insert the memory, switch the direction.
1-4-1 Dual Channel Memory Configuration
This motherboard provides four DDR2 memory sockets and supports Dual Channel Technology. After
the memory is installed, the BIOS will automatically detect the specifications and capacity of the
memory. Enabling Dual Channel memory mode will double the original memory bandwidth.
The four DDR2 memory sockets are divided into two channels and each channel has two memory
sockets as following:
If two memory modules are to be installed, it is recom-
mended that you install them in the DDRII_1 and DDRII_2
sockets.
DDRII_3
DDRII_1
DDRII_2
DDRII_4
Due to CPU limitation, read the following guidelines before installing the memory in Dual Channel mode.
1. Dual Channel mode cannot be enabled if only one DDR2 memory module is installed.
2. When enabling Dual Channel mode with two or four memory modules, it is recommended that
memory of the same capacity, brand, speed, and chips be used and installed in the same
colored DDR2 sockets for optimum performance.
GA-MA790FX-DQ6 Motherboard- 16 -
1-4-2 Installing a Memory
Before installing a memory module , make sure to turn off the computer and unplug
the power cord from the power outlet to prevent damage to the memory module.
DDR2 DIMMs are not compatible to DDR DIMMs. Be sure to install DDR2 DIMMs on
this motherboard.
Notch
DDR2 DIMM
A DDR2 memory module has a notch, so it can only fit in one direction. Follow the steps below to
correctly install your memory modules in the memory sockets.
Step 1:
Note the orientation of the memory module. Spread the retaining
clips at both ends of the memory socket. Place the memory
module on the socket. As indicated in the picture on the left,
place your fingers on the top edge of the memory, push down
on the memory and insert it vertically into the memory socket.
English
Step 2:
The clips at both ends of the socket will snap into place when
the memory module is securely inserted.
Hardware Installation- 17 -
English
1-5Installing an Expansion Card
Read the following guidelines before you begin to install an expansion card:
• Make sure the motherboard supports the expansion card. Carefully read the manual that
came with your expansion card.
• Always turn off the computer and unplug the power cord from the power outlet before
installing an expansion card to prevent hardware damage.
PCI Express x1 Slot
PCI Express x16 Slot
PCI Express x8 Slot
PCI Slot
Follow the steps below to correctly install your expansion card in the expansion slot.
1. Locate an expansion slot that supports your card. Remove the metal slot cover from the chassis back panel.
2. Align the card with the slot, and press down on the card until it is fully seated in the slot.
3. Make sure the metal contacts on the card are completely inserted into the slot.
4. Secure the card's metal bracket to the chassis back panel with a screw.
5. After installing all expansion cards, replace the chassis cover(s).
6. Turn on your computer. If necessary, go to BIOS Setup to make any required BIOS changes for
your expansion card(s).
7. Install the driver provided with the expansion card in your operating system.
Example: Installing and Removing a PCI Express x16 Graphics Card:
• Installing a Graphics Card:
Gently insert the graphics card into the PCI Express x16 slot. Make sure the graphics card is
locked by the latch at the end of the PCI Express x16 slot.
GA-MA790FX-DQ6 Motherboard- 18 -
• Removing the Card (PCIE_16_A, PCIE_16_B slots):
Gently push back on the lever on the slot and then lift the card straight out
from the slot.
• Removing the Card (PCIE_8_A, PCIE_8_B slots):
Press the white latch at the end of the PCI Express x16 slot to release the
card and then pull the card straight up from the slot.
• The motherboard provides a PCIE_12V power connector, which can supply
extra power to the onboard PCI Express x16 slots. When you install two
graphics cards, connect the power cable from your power supply to this
connector.
English
Hardware Installation- 19 -
English
1-6Installing the SATA Bracket
The SATA bracket allows you to connect external SATA device(s) to your system by expanding the
internal SATA port(s) to the chassis back panel.
• Turn off your system and the power switch on the power supply before installing or
removing the SATA bracket and SATA power cable to prevent damage to hardware.
• Insert the SATA signal cable and SATA power cable securely into the corresponding connectors when installing.
SATA Bracket
External
SATA
Connector
Power
Connector
External SATA
Connector
Follow the steps below to install the SATA bracket:
Step 1:
Locate one free PCI
slot and secure the
SATA bracket to the
chassis back panel
with a screw.
Step 3:
Connect the power
cable from the bracket
to the power supply.
Step 5:
Connect the other ends of the SATA signal cable and SATA power cable
to your SATA device. For SATA device in external enclosure, you only
need to connect the SATA signal cable. Before connecting the SATA signal
cable, make sure to turn off the power of the external enclosure.
SATA Signal CableSATA Power Cable
The SATA bracket includes one SATA bracket, one
SATA signal cable, and one SATA power cable.
Step 2:
Connect the SATA
cable from the bracket
to the SATA port on
your motherboard.
Step 4:
Plug one end of the
SATA signal cable into
the external SATA connector on the bracket.
Then attach the SATA
power cable to the
power connector on
the bracket.
GA-MA790FX-DQ6 Motherboard- 20 -
1-7Back Panel Connectors
PS/2 Keyboard and PS/2 Mouse Port
Use the upper port (green) to connect a PS/2 mouse and the lower port (purple) to connect a PS/2
keyboard.
Serial Port
Use the serial port to connect devices such as a mouse, modem or other peripherals.
Optical S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital optical
audio. Before using this feature, ensure that your audio system provides an optical digital audio in
connector.
Coaxial S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital coaxial
audio. Before using this feature, ensure that your audio system provides a coaxial digital audio in
connector.
IEEE 1394a Port
The IEEE 1394 port supports the IEEE 1394a specification, featuring high speed, high bandwidth
and hotplug capabilities. Use this port for an IEEE 1394a device.
RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following
describes the states of the LAN port LEDs.
Connection/
Speed LED
LAN Port
Activity LED
Connection/Speed LED:
StateDescription
Orange 1 Gpbs data rate
Green100 Mpbs data rate
Off10 Mpbs data rate
Activity LED:
StateDescription
Blinking Data transmission or receiving is occurring
OffNo data transmission or receiving is occurring
English
USB Port
The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices such as an
USB keyboard/mouse, USB printer, USB flash drive and etc.
• When removing the cable connected to a back panel connector, first remove the cable
from your device and then remove it from the motherboard.
• When removing the cable, pull it straight out from the connector. Do not rock it side to side
to prevent an electrical short inside the cable connector.
Hardware Installation- 21 -
English
eSATA 3Gb/s Port
The eSATA 3Gb/s port supported by the GIGABYTE SATA2 chip conforms to SATA 3Gb/s standard
and is compatible with SATA 1.5Gb/s standard. Use the port to connect an external SATA device
or a SATA port multiplier.
Center/Subwoofer Speaker Out Jack (Orange)
Use this audio jack to connect center/subwoofer speakers in a 5.1/7.1-channel audio configuration.
Rear Speaker Out Jack (Black)
Use this audio jack to connect rear speakers in a 4/5.1/7.1-channel audio configuration.
Side Speaker Out Jack (Gray)
Use this audio jack to connect side speakers in a 7.1-channel audio configuration.
Line In Jack (Blue)
The default line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out Jack (Green)
The default 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 default Mic in jack. Microphones must be connected to this jack.
In addition to the default speakers settings, the ~ audio jacks can be reconfigured to
perform different functions via the audio software. Only microphones still MUST be connected to the default Mic in jack ( ). Refer to the instructions on setting up a 2/4/5.1/
7.1-channel audio configuration in Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio."
GA-MA790FX-DQ6 Motherboard- 22 -
1-8Internal Connectors
14
6
15
16
17
19
English
3
1
2
5
8
9
23
21
22
10
4
13
18
4
11
7
20
12
1)ATX_12V_2X
2)ATX (Power Connector)
3)CPU_FAN
4)SYS_FAN1/SYS_FAN2
5)PWR_FAN
6)NB_FAN
7)PCIE_12V
8)FDD
9)IDE
10)SATAII0/1/2/3
11)GSATAII_1/GSATAII_2
13)F_PANEL
14)F_AUDIO
15)CD_IN
16)SPDIF_IN
17)SPDIF_OUT
18)F_USB1/F_USB2
19)F1_1394/F2_1394
20)LPT
21)BATTERY
22)C I
23)CLR_CMOS
12)PWR_LED
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 the power outlet to prevent damage to the devices.
• After installing the device and before turning on the computer, make sure the device cable
has been securely attached to the connector on the motherboard.
Hardware Installation- 23 -
English
1/2) ATX_12V_2X/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 power to the CPU. If the 12V power connector is not
connected, the computer will not start.
• To meet expansion requirements, it is recommended that a power supply that can withstand
high power consumption be used (400W or greater). If a power supply is used that does not
provide the required power, the result can lead to an unstable or unbootable system.
• The power connectors are compatible with power supplies with 2x2 12V and 2x10 power
connectors. When using a power supply providing a 2x4 12V and a 2x12 power connector,
remove the protective covers from the 12V power connector and the main power connector on
the motherboard. Do not insert the power supply cables into pins under the protective covers
when using a power supply providing a 2x2 12V and a 2x10 power connector.
The motherboard has a 4-pin CPU fan header (CPU_FAN), a 4-pin (SYS_FAN1) and a 3-pin
(SYS_FAN2) system fan header, and a 3-pin power fan header (PWR_FAN). Each fan header
supplies a +12V power voltage and possesses a foolproof insertion design. When connecting a fan
cable, be sure to connect it in the correct orientation. Most fans are designed with color-coded
power connector wires. A red power connector wire indicates a positive connection and requires
a +12V voltage. The black connector wire is the ground wire. The motherboard supports CPU fan
speed control, which requires the use of a CPU fan with fan speed control design. For optimum
heat dissipation, it is recommended that a system fan be installed inside the chassis.
CPU_FAN:
Pin No.Definition
1GND
1
CPU_FAN
SYS_FAN1
SYS_FAN2
1
1
1
PWR_FAN
2+12V / Speed Control
3Sense
4Speed Control
SYS_FAN1:
Pin No.Definition
1GND
2+12V / Speed Control
3Sense
4+5V
SYS_FAN2/PWR_FAN:
Pin No.Definition
1GND
2+12V
3Sense
6) NB_FAN (North Bridge Fan Header)
Connect the North Bridge fan cable to this header. The fan header has a foolproof insertion design.
When connecting a fan cable, be sure to connect it in the correct orientation. Most fans are designed
with color-coded power connector wires. A red power connector wire indicates a positive connection and requires a +12V voltage. The black connector wire is the ground wire.
English
Pin No.Definition
1
1GND
2+12V
3NC
• Be sure to connect fan cables to the fan headers to prevent your CPU, North Bridge and
system from overheating. Overheating may result in damage to the CPU/North Bridge or
the system may hang.
• These fan headers are not configuration jumper blocks. Do not place a jumper cap on the
headers.
Hardware Installation- 25 -
English
7) PCIE_12V (Power Connector)
This power connector can supply extra power to the PCI Express x16 slots on the motherboard.
Connect the power supply cable to this connector when using two graphics cards. Failure to do so
may lead to an unstable system.
1
PIin No.Definition
1NC
2GND
3GND
4+12V
8) FDD (Floppy Disk Drive Connector)
This connector is used to connect a floppy disk drive. The types of floppy disk drives supported
are: 360 KB, 720 KB, 1.2 MB, 1.44 MB, and 2.88 MB. Before connecting a floppy disk drive, be
sure to locate pin 1 of the connector and the floppy disk drive cable. The pin 1 of the cable is
typically designated by a stripe of different color.
34
33
GA-MA790FX-DQ6 Motherboard- 26 -
2
1
9) 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.)
40
39
2
1
10) SATAII0/1/2/3 (SATA 3Gb/s Connectors, Controlled by SB600, Orange)
The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s
standard. Each SATA connector supports a single SATA device. The AMD SB600 controller
supports RAID 0, RAID 1 and RAID 0+1. Refer to Chapter 5, "Configuring SATA Hard Drive(s)," for
instructions on configuring a RAID array.
Pin No.Definition
1GND
SATAII1
71
17
SATAII3
SATAII0
7
1
17
SATAII2
2TXP
3TXN
4GND
5RXN
6RXP
7GND
English
Please connect the L-shaped end
of the SATA 3Gb/s cable to your
SATA hard drive.
• A RAID 0 or RAID 1 configuration requires at least two hard drives. If more than two hard
drives are to be used, the total number of hard drives must be an even number.
• A RAID 0+1 configuration requires at least four hard drives and the total number of hard
drives must be an even number.
Hardware Installation- 27 -
English
11) GSATAII_1/GSATAII_2 (SATA 3Gb/s Connectors, Controlled by GIGABYTE SATA2, Purple)
The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s
standard. Each SATA connector supports a single SATA device. The GIGABYTE SATA2 controller
supports RAID 0 and RAID 1. Refer to Chapter 5, "Configuring SATA Hard Drive(s)," for instructions
on configuring a RAID array.
Pin No.Definition
1GND
2TXP
3TXN
4GND
71
GSATAII_1GSATAII_2
71
5RXN
6RXP
7GND
Please connect the L-shaped end
of the SATA 3Gb/s cable to your
SATA hard drive.
A RAID 0 or RAID 1 configuration requires two hard drives.
12) PWR_LED (System Power LED Header)
This header can be used to connect a system power LED on the chassis to indicate system power
status. The LED is on when the system is operating. The LED keeps blinking when the system is
in S1 sleep state. The LED is off when the system is in S3/S4 sleep state or powered off (S5).
GA-MA790FX-DQ6 Motherboard- 28 -
Pin No.Definition
1MPD+
1
2MPD-
3MPD-
System Status LED
S0On
S1Blinking
S3/S4/S5Off
13) F_PANEL (Front Panel Header)
Connect the power switch, reset switch, speaker and system status indicator on the chassis front
panel to this header according to the pin assignments below. Note the positive and negative pins
before connecting the cables.
Message/Power/
Sleep LED
2
1
MSG+
HD+
MSG-
HD-
Power
Switch
PW+
RES-
PW-
RES+
NC
Speaker
Connector
SPEAK+
SPEAK-
20
19
English
IDE Hard Disk
Active LED
Reset
Switch
• MSG (Message/Power/Sleep LED, Yellow):
System Status LED
S0On
S1Blinking
S3/S4/S5Off
Connects to the power status indicator on the chassis front panel. The
LED is on when the system is operating. The LED keeps blinking when
the system is in S1 sleep state. The LED is off when the system is in
S3/S4 sleep state or powered off (S5).
• PW (Power Switch, Red):
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 Management
Setup," for more information).
• SPEAK (Speaker, Orange):
Connects to the speaker 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. If a problem is detected, the BIOS may issue beeps in different patterns to indicate the
problem. Refer to Chapter 5, "Troubleshooting," for information about beep codes.
• HD (IDE Hard Drive Activity LED, Blue)
Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard
drive is reading or writing data.
• RES (Reset Switch, Green):
Connects to the reset switch on the chassis front panel. Press the reset switch to restart the
computer if the computer freezes and fails to perform a normal restart.
• NC (Purple):
No connection
The front panel design may differ by chassis. A front panel module mainly consists of
power switch, reset switch, power LED, hard drive activity LED, speaker and etc. When
connecting your chassis front panel module to this header, make sure the wire assignments and the pin assignments are matched correctly.
Hardware Installation- 29 -
English
14) F_AUDIO (Front Panel Audio Header)
The front panel audio header supports Intel High Definition audio (HD) and AC'97 audio. You may
connect your chassis front panel audio module to this header. Make sure the wire assignments of
the module connector match the pin assignments of the motherboard header. Incorrect connection
between the module connector and the motherboard header will make the device unable to work
or even damage it.
For HD Front Panel Audio:
Pin No.Definition
9
10
21
1MIC2_L
2GND
3MIC2_R
4-ACZ_DET
5LINE2_R
6GND
7FAUDIO_JD
8No Pin
9LINE2_L
10GND
• The front panel audio header supports HD audio by default. If your chassis provides an
AC'97 front panel audio module, refer to the instructions on how to activate AC'97 functioninality
via the audio software in Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio."
• When using an AC'97 front panel audio module, you can use either the front or the back
panel audio connectors, but not both at the same time.
• Some chassis provide a front panel audio module that has separated connectors on each
wire instead of a single plug. For information about connecting the front panel audio
module that has different wire assignments, please contact the chassis manufacturer.
15) CD_IN (CD In Connector, Black)
You may connect the audio cable that came with your optical drive to the header.
1
Pin No.Definition
1CD-L
2GND
3GND
4CD-R
For AC'97 Front Panel Audio:
Pin No.Definition
1MIC
2GND
3MIC Power
4NC
5Line Out (R)
6NC
7NC
8No Pin
9Line Out (L)
10NC
GA-MA790FX-DQ6 Motherboard- 30 -
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