The trademarks mentioned in this manual are legally registered to their respective owners.
Disclaimer
Information in this manual is protected by copyright laws and is the property of GIGABYTE.
Changes to the specications and features in this manual may be made by GIGABYTE with-
out prior notice. No part of this manual may be reproduced, copied, translated, transmitted, or
published in any form or by any means without GIGABYTE's prior written permission.
Documentation Classications
In order to assist in the use of this product, GIGABYTE provides the following types of documentations:
For quick set-up of the product, read the Quick Installation Guide included with the product.
For detailed product information, carefully read the User's Manual.
For instructions on how to use GIGABYTE's unique features, read or download the information
on/from the Support&Downloads\Motherboard\Technology Guide page on our website.
For product-related information, check on our website at:
http://www.gigabyte.com.tw
Identifying Your Motherboard Revision
The revision number on your motherboard looks like this: "REV: X.X." For example, "REV: 1.0"
means the revision of the motherboard is 1.0. Check your motherboard revision before updating
motherboard BIOS, drivers, or when looking for technical information.
2-port SATA power cable (Part No. 12CF1-2SERPW-0*R)
S/PDIF In cable (Part No. 12CR1-1SPDIN-0*R)
COM port cable (Part No. 12CF1-1CM001-3*R)
- 6 -
GA-P55-UD5 Motherboard Layout
SYS_FAN3
KB_USB
R_SPDIF
ATX_12V_2X
USB_1394_ESATA_2
USB_1394_ESATA_1
USB_LAN2
USB_LAN1
F_AUDIO
AUDIO
RTL8111D
RTL8111D
CODEC
SPDIF_I
CD_IN
SPDIF_O
IT8720
JMB362
PCIEX1_1
PCIEX1_2
PCI1
PCIEX8_1
PCI2
PCIEX4_1
(Note 1)
PE1_LED
PCH_FAN
GA-P55-UD5
CPU_LED
LGA1156
Intel® P55
PCIEX16_1
TPM_IC
PCI_LED
(Note 2)
CPU_FAN
PE_LED
TSB43AB23
B_BIOS
M_BIOS
DDR3_2
DDR3_1
ACPI_LED
CMOS_SW
DIMM_LED
DDR3_4
DDR3_3
GIGABYTE SATA2
JMB362
BAT
PHASE LED
PWR_FAN
GD1
MD1
GD2
MD2
IDE
SA_LED
RST_SW
IDE_LED
ATX
SYS_FAN1
SATA2_1
SATA2_0
SATA2_3
SATA2_2
SATA2_5
SATA2_4
GSATA2_1
GSATA2_0
GSATA2_3
GSATA2_2
PW_SW
COMA
SYS_FAN2
FDD
F_USB2
F_USB1F_1394
F_PANEL
(Note 1) Due to a hardware limitation, the PCIEX1_1 slot can only accommodate a shorter PCI Express x1
expansion card. For a longer expansion card, use other expansion slots.
(Note 2) This feature is optional due to different regional policy.
- 7 -
Block Diagram
2 PCI Express x8
PCIe CLK
(100 MHz)
PCI Express Bus
PCIe CLK
(100 MHz)
PCI Express Bus
2 SATA 3Gb/s
2 SATA 3Gb/s
ATA-133/100/66/33 IDE Channel
PCI Bus
2 PCI
PCI CLK
(33 MHz)
(Note) This feature is optional due to different regional policy.
1 PCI Express x16
or
x8x16
Switch
LAN1
RJ45
RTL8111D
x1
x1
JMB362
GIGABYTE
TSB43AB23
3 IEEE 1394a
LAN2
RJ45
RTL8111D
x1
x1
SATA2
Side Speaker Out
Surround Speaker Out
Center/Subwoofer Speaker Out
LGA1156
CPU
Interface
Intel® P55
CODEC
MIC
Line Out
- 8 -
DMI
Line In
S/PDIF In
CPU CLK+/- (133 MHz)
DDR3 2200/1333/1066/800 MHz
Dual Channel Memory
1 PCI Express x4
3 PCI Express x1
or
x4
x1
Switch
PCI Express Bus
Dual BIOS
6 SATA 3Gb/s
14 USB Ports
LPC
Bus
IT8720
PS/2 KB/Mouse
S/PDIF Out
2 SATA 3Gb/s
JMB362
PCIe CLK (100 MHz)
Floppy
COM Port
(Note)
TPM
Chapter 1 Hardware Installation
1-1 Installation Precautions
The motherboard contains numerous delicate electronic circuits and components which can
become damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read
the user's manual and follow these procedures:
• Prior to installation, do not remove or break motherboard S/N (Serial Number) sticker or
warranty sticker provided by your dealer. These stickers are required for warranty validation.
• Always remove the AC power by unplugging the power cord from the power outlet before
installing or removing the motherboard or other hardware components.
• When connecting hardware components to the internal connectors on the motherboard,
make sure they are connected tightly and securely.
• When handling the motherboard, avoid touching any metal leads or connectors.
• It is best to wear an electrostatic discharge (ESD) wrist strap when handling electronic com-
ponents such as a motherboard, CPU or memory. If you do not have an ESD wrist strap,
keep your hands dry and rst touch a metal object to eliminate static electricity.
• Prior to installing the motherboard, please have it on top of an antistatic pad or within an
electrostatic shielding container.
• Before unplugging the power supply cable from the motherboard, make sure the power sup-
ply has been turned off.
• Before turning on the power, make sure the power supply voltage has been set according to
the local voltage standard.
• Before using the product, please verify that all cables and power connectors of your hard-
ware components are connected.
• To prevent damage to the motherboard, do not allow screws to come in contact with the
motherboard circuit or its components.
• Make sure there are no leftover screws or metal components placed on the motherboard or
within the computer casing.
• Do not place the computer system on an uneven surface
• Do not place the computer system in a high-temperature environment.
• Turning on the computer power during the installation process can lead to damage to sys-
tem components as well as physical harm to the user.
• If you are uncertain about any installation steps or have a problem related to the use of the
product, please consult a certied computer technician.
.
- 9 -Hardware Installation
1-2 Product Specications
CPU Support for an Intel® Core™ i7 series processor/Intel® Core™ i5 series processor
in the LGA1156 package
(Go to GIGABYTE's website for the latest CPU support list.)
L3 cache varies with CPU
Chipset
Memory 4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory
Dual channel memory architecture
Support for DDR3 2200/1333/1066/800 MHz memory modules
Support for non-ECC memory modules
Support for Extreme Memory Prole (XMP) memory modules
(Go to GIGABYTE's website for the latest memory support list.)
Audio
High Denition Audio
2/4/5.1/7.1-channel
Support for Dolby® Home Theater
LAN 2 x RTL8111D chips (10/100/1000 Mbit)
Support for Teaming
Expansion Slots 1 x PCI Express x16 slot, running at x16 (PCIEX16_1)
1 x PCI Express x16 slot, running at x4 (PCIEX4_1)
2 x PCI Express x1 slots
2 x PCI slots
Multi-Graphics
Technology (The PCIEX16_1 and PCIEX8_1 slots only.)
Storage Interface Chipset:
- 6 x SATA 3Gb/s connectors (SATA2_0, SATA2_1, SATA2_2, SATA2_3,
SATA2_4, SATA2_5) supporting up to 6 SATA 3Gb/s devices
- Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10
GIGABYTE SATA2 chip:
- 1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
- 2 x SATA 3Gb/s connectors (GSATA2_0, GSATA2_1) supporting up to
2 SATA 3Gb/s devices
- Support for SATA RAID 0, RAID 1, and JBOD
2 x JMB362 chips:
- 2 x eSATA 3Gb/s connectors (eSATA/USB Combo) on the back panel sup porting up to 2 SATA 3Gb/s devices
- Support for SATA RAID 0, RAID 1, and JBOD
- 2 x SATA 3Gb/s connectors (GSATA2_2/GSATA2_3) supporting up to 2
SATA 3Gb/s devices
- Support for SATA RAID 0, RAID 1, and JBOD
Intel® P55 Express Chipset
Realtek ALC889A codec
Support for S/PDIF In/Out
Support for CD In
Support for Smart Dual LAN
1 x PCI Express x16 slot, running at x8 (PCIEX8_1)
(The PCIEX16_1 and PCIEX8_1 slots conform to PCI Express 2.0 standard.)
(Note 3)
(Note 4)
Support for ATI CrossFireX™/NVIDIA SLI technology
(Note 1)
(Note 2)
- 10 -Hardware Installation
Storage Interface iTE IT8720 chip:
- 1 x oppy disk drive connector supporting up to 1 oppy disk drive
USB Integrated in the Chipset
Up to 14 USB 2.0/1.1 ports (10 on the back panel, including 2 eSATA/USB
Combo, 4 via the USB brackets connected to the internal USB headers)
IEEE 1394 T.I. TSB43AB23 chip
Up to 3 IEEE 1394a ports (2 on the back panel, 1 via the IEEE 1394a bracket
connected to the internal IEEE 1394a header)
Internal
Connectors 1 x 8-pin ATX 12V power connector
1 x oppy disk drive connector
1 x IDE connector
10 x SATA 3Gb/s connectors
1 x CPU fan header
3 x system fan headers
1 x power fan header
1 x Chipset 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
1 x IEEE 1394a header
1 x serial port header
1 x clearing CMOS button
1 x power button
1 x reset button
Back Panel 1 x PS/2 keyboard/mouse port
Connectors 1 x coaxial S/PDIF Out connector
1 x optical S/PDIF Out connector
2 x IEEE 1394a ports
8 x USB 2.0/1.1 ports
2 x eSATA/USB Combo connectors
2 x RJ-45 ports
6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/
Side Speaker Out/Line In/Line Out/Microphone)
I/O Controller iTE IT8720 chip
1 x 24-pin ATX main power connector
- 11 -Hardware Installation
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)
BIOS 2 x 16 Mbit ash
Use of licensed AWARD BIOS
Support for DualBIOS
™
PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
Unique Features Support for @BIOS
Support for Q-Flash
Support for Xpress BIOS Rescue
Support for Download Center
Support for Xpress Install
Support for Xpress Recovery2
Support for EasyTune
(Note 6)
Support for Dynamic Energy Saver™ 2
Support Smart TPM
Support for Smart 6
(Note 7)
™
Support for Q-Share
Bundled Software Norton Internet Security (OEM version)
Operating System Support for Microsoft® Windows 7/Vista/XP
Form Factor ATX Form Factor; 30.5cm x 24.4cm
(Note 1) Due to Windows Vista/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) For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install
it in the PCIEX16_1 slot.
(Note 3) The PCIEX8_1 slot shares bandwidth with the PCIEX16_1 slot. When the PCIEX8_1 slot is popu lated with a PCI Express graphics card, the PCIEX16_1 slot will operate at up to x8 mode.
(Note 4) The default bandwidth for the PCIEX4_1 slot is x1. When it is congured to x4 mode, the PCIEX1_1
and PCIEX1_2 slots and the eSATA connectors will become unavailable because they share band width with the PCIEX4_1 slot. (Refer to Chapter 2, "Integrated Peripherals" for how to change the
operating bandwidth for the PCIEX4_1 slot.)
(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) This feature is optional due to different regional policy.
- 12 -Hardware Installation
1-3 Installing 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. (Or you may
locate the notches on both sides of the CPU and alignment keys on the CPU socket.)
• 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 dam-
age of the CPU may occur.
• Set the CPU host frequency in accordance with the CPU specications. It is not recommended
that the system bus frequency be set beyond hardware specications since it does not meet the
standard requirements for the peripherals. If you wish to set the frequency beyond the standard
specications, please do so according to your hardware specications including the CPU, graphics card, memory, hard drive, etc.
1-3-1 Installing the CPU
A. Locate the alignment keys on the motherboard CPU socket and the notches on the CPU.
LGA1156 CPU Socket
Alignment Key
Pin One Corner of the CPU Socket
LGA1156 CPU
Triangle Pin One Marking on the CPU
Alignment Key
NotchNotch
- 13 -Hardware Installation
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 Lever
Step 1:
Gently press the CPU socket lever handle down
and away from the socket with your nger. Then
completely lift the CPU socket lever and the metal
load plate will be lifted as well.
Step 3:
Hold the CPU with your thumb and index ngers.
Align the CPU pin one marking (triangle) with the
pin one corner of the CPU socket (or you may
align the CPU notches with the socket alignment
keys) and gently insert the CPU into position.
Step 2:
Use your thumb and index finger to grasp the
protective socket cover as indicated and lift it
up vertically. (DO NOT touch socket contacts.
To protect the CPU socket, always replace the
protective socket cover when the CPU is not
installed.)
Step 4:
Onc e the CPU is properly inse rted, use one
hand to hold the socket lever and use the other
to lightly replace the load plate. When replacing
the load plate, make sure the front end of the
load plate is under the shoulder screw.
Step 5:
Push the CPU socket lever back into its locked
position.
NOTE:
Hold the CPU socket lever by the handle, not the
lever base portion.
- 14 -Hardware Installation
1-3-2 Installing the CPU Cooler
Follow the steps below to correctly install the CPU cooler on the motherboard. (The following procedure uses
Intel® boxed cooler as the example cooler.)
Male Push
Pin
Direction of the
Arrow Sign on
the Male Push
Pin
The Top
of Female
Push Pin
Female
Push Pin
Step 1:
Apply an even and thin layer of thermal grease
on the surface of the installed CPU.
Step 3:
Place the cooler atop the CPU, aligning the four
push pins through the pin holes on the motherboard. Push down on the push pins diagonally.
Step 2:
Before installing the cooler, note the direction of
the arrow signon the male push pin. (Turning the push pin along the direction of arrow is to
remove the cooler, on the contrary, is to install.)
Step 4:
You should hear a "click" when pushing down
each push pin. Check that the Male and Female
push pins are joined closely. (Refer to your CPU
cooler installation manual for instructions on
installing the cooler.)
Step 5:
After the installation, check the back of the moth-
erboard. If the push pin is inserted as the picture
above shows, the installation is complete.
Step 6:
Finally, attach the power connector of the CPU
cooler to the CPU fan header (CPU_FAN) on the
motherboard.
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.
- 15 -Hardware Installation
1-4 Installing 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 Conguration
This motherboard provides four DDR3 memory sockets and supports Dual Channel Technology. After the
memory is installed, the BIOS will automatically detect the specications and capacity of the memory. Enabling Dual Channel memory mode will double the original memory bandwidth.
The four DDR3 memory sockets are divided into two channels and each channel has two memory sockets as
following:
Due to CPU limitations, read the following guidelines before installing the memory in Dual Channel mode.
1. Dual Channel mode cannot be enabled if only one DDR3 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 for optimum performance. When
enabling Dual Channel mode with two memory modules, be sure to install them in the DDR3_1 and
DDR3_ sockets.
If only one DDR3 memory module is installed, it is recommended to install it in the DDR3_1 or
DDR3_3 socket.
- 16 -Hardware Installation
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.
DDR3 and DDR2 DIMMs are not compatible to each other or DDR DIMMs. Be sure to install
DDR3 DIMMs on this motherboard.
Notch
DDR3 DIMM
A DDR3 memory module has a notch, so it can only t 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 ngers on the top edge of the memory, push down on the memory and
insert it vertically into the memory socket.
Step 2:
The clips at both ends of the socket will snap into place when the
memory module is securely inserted.
- 17 -Hardware Installation
1-5 Installing 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 (PCIEX16_1)
PCI Express x16 Slot (PCIEX8_1/PCIEX4_1)
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 Graphics Card:
• Installing a Graphics Card:
Gently push down on the top edge of the card until
it is fully inserted into the PCI Express slot. Make
sure the card is securely seated in the slot and
does not rock.
• Removing the Card from
the PCIEX16_1 Slot:
Gently push back on the
lever on the slot and then
lift the card straight out
from the slot.
• Removing the Card from
the PCIEX8_1/PCIEX4_1
Slot:
Press the white latch at
the end of the PCI Express slot to release the
card and then pull the card
straight up from the slot.
- 18 -Hardware Installation
1-6 Setup of ATI CrossFireX™/NVIDIA SLI Conguration
A. System Requirements
- Windows Vista or Windows XP operating system
- A CrossFireX/SLI-supported motherboard with two PCI Express x16 slots and correct driver
- Two CrossFireX/SLI-ready graphics cards of identical brand and chip and correct driver
- Two CrossFire
- A power supply with sufcient power is recommended (Refer to the manual of your graphics cards for
the power requirement)
B. Connecting the Graphics Cards
Step 1:
Observe the steps in "1-5 Installing an Expansion Card" and install two CrossFireX/SLI graphics cards on the
PCI Express x16 slots. For optimum graphics performance, be sure to install the cards on the PCIEX16_1
and PCIEX8_1 slots.
Step 2:
Insert the CrossFire
cards.
Step 3:
Plug the display cable into the graphics card on the PCIEX16_1 slot.
C. Conguring the Graphics Card Driver
C-1. To Enable CrossFireX Function
After installing the graphics card driver in the operating system, go to
the ATI Catalyst Control Center. Browse to the CrossFireX menu
and ensure the Enable CrossFireX™ check box is selected.
(Note )
/SLI bridge connectors
(Note)
/SLI bridge connectors in the CrossFireX/SLI gold edge connectors on top of the two
C-2. To Enable SLI Function
After installing the graphics card driver in the operating system, go
to the
NVIDIA Control Panel
. Browse to the
Set SLI Conguration
screen and ensure the Enable SLI technology check box is selected.
(Note) The bridge connectors may be needed or not depending on your graphics cards.
Procedure and driver screen for enabling CrossFireX/SLI technology may differ by graphics cards.
Refer to the manual that came with your graphics cards for more information about enabling CrossFireX/SLI technology.
- 19 -Hardware Installation
1-7 Installing 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 sec ur e the
SATA bracket to the
ch as sis back pa nel
with a screw.
Step 3:
Co nne ct th e pow er
c a b l e f r o m t h e
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.
- 20 -Hardware Installation
1-8 Back Panel Connectors
USB Port
The USB port supports the USB 2.0/1.1 specication. Use this port for USB devices such as a USB key-
board/mouse, USB printer, USB ash drive and etc.
PS/2 Keyboard/Mouse Port
Use this port a PS/2 keyboard or mouse.
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 specication, featuring high speed, high bandwidth and
hotplug capabilities. Use this port for an IEEE 1394a device.
eSATA/USB Combo Connector
This connector supports SATA 3Gb/s and USB 2.0/1.1 specication. Use the port to connect an external
SATA device or a SATA port multiplier; or use this port for USB devices such as a USB keyboard/mouse,
USB printer, USB ash drive and etc.
RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following de-
scribes the states of the LAN port LEDs.
Connection/
Speed LED
LAN Port
Activity LED
Connection/Speed LED:
State Description
Orange 1 Gbps data rate
Green 100 Mbps data rate
Off 10 Mbps data rate
Activity LED:
State Description
Blinking Data transmission or receiving is occurring
Off No data transmission or receiving is occurring
• When removing the cable connected to a back panel connector, rst 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.
- 21 -Hardware Installation
Center/Subwoofer Speaker Out Jack (Orange)
Use this audio jack to connect center/subwoofer speakers in a 5.1/7.1-channel audio conguration.
Rear Speaker Out Jack (Black)
Use this audio jack to connect rear speakers in a 7.1-channel audio conguration.
Side Speaker Out Jack (Gray)
Use this audio jack to connect side speakers in a 4/5.1/7.1-channel audio conguration.
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 conguration.
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 recongured to per-
form 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
conguration in Chapter 5, "Conguring 2/4/5.1/7.1-Channel Audio."
- 22 -Hardware Installation
1-9 Onboard LEDs and Buttons
CPU VTT/Memory Phase Indicator LEDs
This motherboard contains 4 phase indicator LEDs controlled by the system BIOS to indicate the phase sta-
tus of the CPU VTT and memory. The green LEDs light up under normal working conditions; the yellow LEDs
will be illuminated when an excessive overvoltage or overloading occurs.
CPU VTT:
GD1: Normal working conditions (green LED)
GD2: Excessive overvoltage or overloading (yellow LED)
Memory:
MD1: Normal working conditions (green LED)
MD2: Excessive overvoltage or overloading (yellow LED)
Diagnostic LEDs
This motherboard has 7 onboard LEDs controlled by the system BIOS. The 7 LEDs indicate if a component
(including CPU and memory) or a device (including PCI and PCIe cards and IDE/SATA devices) works abnormally. The LEDs will light up during the POST when the components/devices have a problem.
CPU: CPU_LED
Memory: DIMM_LED
IDE: IDE_LED
SATA: SA_LED
PCIe x16/x8: PE_LED
PCIe x4/x1: PE1_LED
PCI: PCI_LED
ACPI LEDs
The 4 embedded ACPI LEDs indicate the system power status (S0, S1, S3, S4, S5) to prevent potential hardware damage due to improper plug/unplug actions.
ACPI LEDs:
S0_LED
S1_LED
S3_LED
S4_S5_LED
- 23 -Hardware Installation
Quick Buttons
This motherboard has 3 quick buttons: power button, reset button and clearing CMOS button. The power
button and reset button allow users to quickly turn on/off or reset the computer in an open-case environment
when they want to change hardware components or conduct hardware testing. Use the clearing CMOS but-
ton to clear the CMOS values (e.g. date information and BIOS congurations) and reset the CMOS values to
factory defaults when needed.
PW_SW: Power button
RST_SW: Reset button
CMOS_SW: Clearing CMOS button
• Always turn off your computer and unplug the power cord from the power outlet before clearing the CMOS values.
• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized
Defaults) or manually congure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS
congurations).
PHASE LED
The PHASE LEDs indicate the CPU loading. The higher the CPU loading, the more the number of lighted
LEDs. To enable the Phase LED display function, please rst enable Dynamic Energy Saver™ 2. Refer to
Chapter 4, "Dynamic Energy Saver™ 2," for more details.
- 24 -Hardware Installation
1-10 Internal Connectors
14
6
15
16
17
1) ATX_12V_2X
2) ATX
3) CPU_FAN
4) SYS_FAN1/2/3
5) PWR_FAN
6) PCH_FAN
7) FDD
8) IDE
9) SATA2_0/1/2/3/4/5
10) GSATA2_0/1
1
4
3
5
2
2
8
4
9
10
11
12
1342019718
11) GSATA2_2/3
12) BAT
13) F_PANEL
14) F_AUDIO
15) CD_IN
16) SPDIF_I
17) SPDIF_O
18) F_USB1/F_USB2
19) F_1394
20) COMA
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.
- 25 -Hardware Installation
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 com-
ponents on the motherboard. Before connecting the power connector, rst 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.
• Use of a power supply providing a 2x4 12V power connector is recommended by the CPU
manufacturer when using an Intel Extreme Edition CPU (130W).
• To meet expansion requirements, it is recommended that a power supply that can withstand
high power consumption be used (500W 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_FAN2) and two 3-pin (SYS_
FAN1/SYS_FAN3) system fan headers, and a 3-pin power fan header (PWR_FAN). Most fan headers
possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct
orientation (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.
1
CPU_FAN
1
SYS_FAN2
1
SYS_FAN3
SYS_FAN1/
PWR_FAN
CPU_FAN:
Pin No. Denition
1 GND
2 +12V / Speed Control
3 Sense
4 Speed Control
SYS_FAN2:
Pin No. Denition
1 GND
2 +12V / Speed Control
3 Sense
4 Reserve
SYS_FAN1/SYS_FAN3/PWR_FAN:
Pin No. Denition
1
1 GND
2 +12V
3 Sense
6) PCH_FAN (Chipset Fan Header)
Connect the chipset fan cable to this header. The fan header has a foolproof insertion design. When con-
necting a fan cable, be sure to connect it in the correct orientation. Most fans are designed with colorcoded 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.
1
Pin No. Denition
1 GND
2 +12V
3 NC
• Be sure to connect fan cables to the fan headers to prevent your CPU, Chipset and system
from overheating. Overheating may result in damage to the CPU/Chipset or the system may
hang.
• These fan headers are not conguration jumper blocks. Do not place a jumper cap on the
headers.
- 27 -Hardware Installation
7) FDD (Floppy Disk Drive Connector)
This connector is used to connect a oppy disk drive. The types of oppy disk drives supported are:
360 KB, 720 KB, 1.2 MB, 1.44 MB, and 2.88 MB. Before connecting a oppy disk drive, be sure to locate
pin 1 of the connector and the oppy disk drive cable. The pin 1 of the cable is typically designated by
a stripe of different color. For purchasing the optional oppy disk drive cable, please contact the local
dealer.
33
34
1
2
8) IDE (IDE Connector)
The IDE connector supports up to two IDE devices such as hard drives and optical drives. Before attach-
ing 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 conguring master/slave settings for the IDE devices, read the
instructions from the device manufacturers.)
39
1
40
2
- 28 -Hardware Installation
9) SATA2_0/1/2/3/4/5 (SATA 3Gb/s Connectors, Controlled by P55 Chipset, Blue)
The SATA connectors con for m to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s
standard. Each SATA connector supports a single SATA device. The P55 Chipset supports RAID 0,
RAID 1, RAID 5 and RAID 10. Refer to Chapter 5, "Conguring SATA Hard Drive(s)," for instructions on
conguring a RAID array.
Pin No. Denition
SATA2_1SATA2_3SATA2_5
7
7
SATA2_0SATA2_2SATA2_4
1 GND
2 TXP
1
3 TXN
1
4 GND
5 RXN
6 RXP
7 GND
10) GSATA2_0/1 (SATA 3Gb/s Connectors, Controlled by GIGABYTE SATA2, White)
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 supports RAID 0 and RAID 1.
Refer to Chapter 5, "Conguring SATA Hard Drive(s)," for instructions on conguring a RAID array.
Pin No. Denition
1 GND
GSATA2_1
71
71
GSATA2_0
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
Please connect the L-shaped end of
the SATA 3 Gb/s cable to your SATA
hard drive.
• A RAID 0 or RAID 1 conguration 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 5 conguration requires at least three hard drives. (The total number of hard drives
does not have to be an even number.)
• A RAID 10 conguration requires at least four hard drives and the total number of hard drives
must be an even number.
- 29 -Hardware Installation
11) GSATA2_2/3 (SATA 3Gb/s Connectors, Controlled by JMB362, White)
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 JMB362 supports RAID 0 and RAID 1 Refer
to Chapter 5, "Conguring SATA Hard Drive(s)," for instructions on conguring a RAID array.
Pin No. Denition
GSATA2_3
71
71
GSATA2_2
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
A RAID 0 or RAID 1 conguration requires at least two hard
drives.
Please connect the L-shaped end of
the SATA 3 Gb/s cable to your SATA
hard drive.
12) BAT (Battery)
The battery provides power to keep the values (such as BIOS congurations, 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.
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.
• 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.
- 30 -Hardware Installation
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