This publication, including all photographs, illustrations and software, is protected
under international copyright laws, with all rights reserved. Neither this manual, nor
any of the material contained herein, may be reproduced without written consent of
the author.
Version 1.0
Disclaimer
The information in this document is subject to change without notice. The manufacturer makes no representations or warranties with respect to the contents hereof and
specifically disclaims any implied warranties of merchantability or fitness for any
particular purpose. The manufacturer reserves the right to revise this publication and
to make changes from time to time in the content hereof without obligation of the
manufacturer to notify any person of such revision or changes.
Trademark Recognition
Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corp.
MMX, Pentium, Pentium-II, Pentium-III, Celeron are registered trademarks of Intel
Corporation.
Other product names used in this manual are the properties of their respective
owners and are acknowledged.
Federal Communications Commission (FCC)
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures:
•Reorient or relocate the receiving antenna
•Increase the separation between the equipment and the receiver
•Connect the equipment onto an outlet on a circuit different from that to
which the receiver is connected
•Consult the dealer or an experienced radio/TV technician for help
Shielded interconnect cables and a shielded AC power cable must be employed with
this equipment to ensure compliance with the pertinent RF emission limits governing this device. Changes or modifications not expressly approved by the system’s
manufacturer could void the user’s authority to operate the equipment.
Preface
ii
Declaration of Conformity
This device complies with part 15 of the FCC rules. Operation is subject to the
following conditions:
•This device may not cause harmful interference, and
•This device must accept any interference received, including interference that may cause undesired operation
Canadian Department of Communications
This class B digital apparatus meets all requirements of the Canadian Interferencecausing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Réglement sur
le matériel brouilieur du Canada.
About the Manual
The manual consists of the following:
Chapter 1
Introducing the Motherboard
Chapter 2
Installing the Motherboard
Chapter 3
Using BIOS
Chapter 4
Using the Motherboard Software
Chatper 5
Setting Up eJIFFY
Chatper 6
Trouble Shooting
Describes features of the
motherboard.
Go to
Describes installation of motherboard
components.
Go to
Provides information on using the
BIOS Setup Utility.
Thank you for choosing the G41T-M12 motherboard. This motherboard is a high
performance, enhanced function motherboard designed to support the LGA775 socket
TM
for Core
400 series processors for high-end business or personal desktop markets.
The motherboard incorporates the Intel
Southbridge (SB) chipsets.It supports a system bus (FSB) of 1333/1066/800 MHz.
The memory controller supports DDR3 memory DIMM frequencies of 1066/800*. It
supports two DDR3 sockets with up to maximum memory of 8 GB. DDR3 Maximum
memory bandwidth of 12.8 GB/s in dual-channel symmetric mode assuming DDR3
1066/800 MHz. One PCI Express x16 slot, intended for Graphics Interface, is fully
compliant to the PCI Express Gen 1.
The ICH7 Southbridge supports two PCI slots which are PCI v2.3 compliant. In
addition, one PCI Express x1 slot is supported, fully compliant to the PCI Express
Base Specification revision 1.0a. It implements an EHCI compliant interface that
provides 480 Mb/s bandwidth for eight USB 2.0 ports (four USB ports and two USB
2.0 headers support additional four USB ports). One onboard IDE connector sup-
ports two IDE devices in Ultra ATA100/66/33 mode. The Southbridge integrates a
Serial ATA host controller, supporting two SATA ports with maximum transfer rate
up to 3.0 Gb/s each.
The motherboard is equipped with advanced full set of I/O ports in the rear panel,
including PS/2 mouse and keyboard connectors, one VGA port, four USB ports, one
LAN port, and audio jacks for microphone, line-in and line-out.
Due to the chipset spec, this motherboard runs at DDR3 1066/800 MHz
memory speed.
Introducing the Motherboard
2
Feature
Processor
The motherboard uses an LGA775 type of Core
TM
2 Quad/Core
Dual Core/Celeron® Dual Core/Celeron® 400 series processors that carries the
following features:
•Core
TM
2 Quad/Core
TM
2 Duo/Pentium® Dual Core/Celeron® Dual Core/
Celeron® 400 series processors
•Supports a system bus (FSB) of 1333/1066/800 MHz
•LGA775 socket for latest Intel® 45nm Multi-Core processors
TM
2 Duo/Pentium
®
Chipset
The Intel
based on an innovative and scalable architecture with proven reliability and
performance.
®
G41 Northbridge (NB) and Intel® ICH7 Southbridge (SB) chipsets are
G41 (NB)
•Supports 36-bit host bus addressing, allowing the CPU to
access the entire 64 GB of the memory address space
•2 GB/s point-to-point Direct Media Interface (DMI) to
ICH7 (1 GB/s each direction)
•Supports 2-GB, 1-Gb, 512 Mb DDR3 DRAM technologies for x8 and x16 devices
•One, 16-lane (x16) PCI Express port intended for external device attach, fully compatible to the PCI Express
Gen 1
•An integrated graphics device (IGD) delivering cost competitive 3D, 2D and video capabilities
•Microsoft DX10 and 128MB share memory are supported
ICH7 (SB)
•Enhanced DMA Controller, interrupt controller, and timer
functions
•Compliant with PCI Express Base Specification, Revi-
sion 1.0a
•Compliant with PCI v2.3 specification
•Integrated SATA 3.0 Gb/s Host Controller
•Integrated USB 2.0 Host Controller supporting up to
eight USB 2.0 ports
•Integrated IDE controller supports Ultra ATA 100/66/
33
Memory
•Supports DDR3 1066/800
DDR3 SDRAMwith Dual-channel architecture.
•Accommodates two unbuffered DIMMs.
•2 x 240-pin DDR3 DIMM sockets support up to 8 GB.
Introducing the Motherboard
Onboard LAN (optional)
•Compliants with PCI Express. 1.1
•Integrated 10/100 transceiver
•Supports Wake-on-LAN and remote wakeup
•Fully compliant with IEEE 802.3, IEEE802.3u
•Compliants with PCI Express. 1.1
•Integrated 10/100/1000 transceiver
•Supports Wake-on-LAN and remote wakeup
•Fully compliant with IEEE 802.3, IEEE802.3u, IEEE802.3ab
Audio
This motherboard may support either of the following Audio chipsets:
•5.1 Channel High Definition Audio Codec
•Exceeds Microsoft Windows Logo Program (WLP) Requirements
•ADCs support 44.1K/48K/88.2K/96K/192KHz sample rate
•Power Support: Digital: 3.3V; Analog: 5.0V
Expansion Options
The motherboard comes with the following expansion options:
•One PCI Express x16 slots for Graphic Interface
•One PCI Express x1 slot
•Two 32-bit PCI v2.3 compliant slots
•One IDE connector that supports two IDE devices
•Two 7-pin SATA connectors
Integrated I/O
The motherboard has a full set of I/O ports and connectors:
•Two PS/2 ports for mouse and keyboard
•One VGA port
•Four USB ports
•One LAN port
•Audio jacks for microphone, line-in and line-out
BIOS Firmware
This motherboard uses AMI BIOS that enables users to configure many system
features including the following:
•Power management
•Wake-up alarms
•CPU parameters
•CPU and memory timing
The firmware can also be used to set parameters for dif
speeds.
ferent processor clock
3
1.Some hardware specifications and software items are subject to change
without prior notice.
2.Due to chipset limitation, we recommend that motherboard be operated in the ambiance between 0 and 50°C.
Introducing the Motherboard
4
Specifications
CPU
Chipset
Memory
•LGA775 socket for Core
TM
2 Quad/Core
Dual Core/Celeron® Dual Core/Celeron® 400 series processors
•Intel G41 & ICH7 Express Chipset
North Bridge: Intel G41 South Bridge: ICH7
•Dual-channel DDR3 memory architecture
•2 x 240-pin DDR3 DIMM sockets support up to 8 GB
•Supports DDR3 1066/800 SDRAM
TM
2 Duo/Pentium
®
Expansion
Slots
Storage
Audio
LAN
Rear Panel I/O
Internal I/O
Connectors &
Headers
•1 x PCI Express x16 slot
•1 x PCI Express x1 slot
•2 x PCI slots
•Supported by Intel ICH7 Express Chipset
•2 x Serial ATA 3.0 Gb/s device
•1 x Ultra DMA100/66 devices
•VIA VT1705 6-Ch High Definition audio CODEC
•Realtek 8105E 10/100 Lan (Realtek 8111E Giga Lan Optional)
•1 x PS/2 keyboard & PS/2 mouse connector
•1 x VGA port
•4 x USB ports
•1 x RJ45 LAN connector
•1 x Audio port (Line in, microphone in, line out)
•1 x 24-pin ATX power supply connector
•1 x 4-pin 12V Power connector
•1 x Parallel port header (LPT)
•1 x CLR_CMOS header
•1 x 4-pin CPU_FAN connector
•1 x IDE connector
•2 x USB 2.0 headers
•1 x Speaker header
•1 x Front panel audio header
•1 x Front panel switch/LED header
•1 x Chassis detect header
•2 x SATA 3Gb/s connectors
•1 x SPDIF out header
•1 x Serial port header (COM)
System BIOS
Form Factor
•AMI BIOS with 8Mb SPI ROM
•Supports Plug and Play, STR(S3)/STD(S4), Hardware monitor, Multi Boot, DMI
•Supports ACPI revision 1.0 specification
•Micro A TX Size, 244mm x 170mm
Introducing the Motherboard
Motherboard Components
5
Introducing the Motherboard
6
/
/
Table of Motherboard Components
LABELCOMPONENTS
1. CPU Socket
LGA775 socket for Core
TM
2 Quad/CoreTM 2 Duo
Pentium® Dual Core/Celeron® Dual Core
Celeron® 400 series processors
2. CPU_FAN CPU cooling fan connector
3. DDR3_1~2 240-pin DDR3 SDRAM slots
4. ATX_POWER Standard 24-pin ATX power connector
5. IDE Primary IDE channel
6. SPK Speaker header
7. CLR_CMOS Clear CMOS jumper
8. USBPWR_F Front panel USB power select jumper
9. SATA1~2 Serial ATA connectors
10. F_USB1~2 Front panel USB headers
11. F_PANEL Front panel switch/LED header
12. COM Onboard serial port header
13. SPDIFO SPDIF out header
14. LPT Onboard parallel port header
15. F_AUDIO Front panel audio header
16. PCI1~2 32-bit add-on card slots
17. PCIE PCI Express x 1 slot
18. CASE Chassis detect header
19. PCIEX16 PCI Express x16 graphics card slot
20. USBPWR_R Rear panel USB/PS2 power select jumper
21. ATX12V 4-pin +12V power connector
This concludes Chapter 1. The next chapter explains how to install the motherboard.
Introducing the Motherboard
Chapter 2
Installing the Motherboard
Safety Precautions
•Follow these safety precautions when installing the motherboard
•Wear a grounding strap attached to a grounded device to avoid damage from static electricity
•Discharge static electricity by touching the metal case of a safely
grounded object before working on the motherboard
•Leave components in the static-proof bags they came in
•Hold all circuit boards by the edges. Do not bend circuit boards
Choosing a Computer Case
There are many types of computer cases on the market. The motherboard complies
with the specifications for the Micro ATX system case. First, some features on the
motherboard are implemented by cabling connectors on the motherboard to indicators and switches on the system case. Make sure that your case supports all the
features required. Secondly, this motherboard supports two enhanced IDE drives.
Make sure that your case has sufficient power and space for all drives that you intend
to install.
Most cases have a choice of I/O templates in the rear panel. Make sure that the I/O
template in the case matches the I/O ports installed on the rear edge of the
motherboard.
This motherboard carries a Micro ATX form factor of 244 x 170 mm. Choose a case
that accommodates this form factor.
7
Installing the Motherboard in a Case
Refer to the following illustration and instructions for installing the motherboard in
a case.
Most system cases have mounting brackets installed in the case, which correspond
the holes in the motherboard. Place the motherboard over the mounting brackets
and secure the motherboard onto the mounting brackets with screws.
Ensure that your case has an I/O template that supports the I/O ports and expansion
slots on your motherboard.
Installing the Motherboard
8
Do not over-tighten the screws as this can stress the motherboard.
Checking Jumper Settings
This section explains how to set jumpers for correct configuration of the motherboard.
Setting Jumpers
Use the motherboard jumpers to set system configuration options. Jumpers with
more than one pin are numbered. When setting the jumpers, ensure that the jumper
caps are placed on the correct pins.
The illustrations show a 2-pin jumper.
When the jumper cap is placed on both
pins, the jumper is SHORT. If you remove the jumper cap, or place the jumper
cap on just one pin, the jumper is OPEN.
This illustration shows a 3-pin jumper.
Pins 1 and 2 are SHORT.
SHORT OPEN
Installing the Motherboard
Checking Jumper Settings
The following illustration shows the location of the motherboard jumpers. Pin 1 is
labeled.
Jumper Settings
JumperTypeDescriptionSetting (default)
1-2: NORMAL
CLR_CMOS
USBPWR_R
3-pin
3-pin
CLEAR CMOS
Rear USB/PS2
Power Select
Jumper
2-3: CLEAR
Before clearing the
CMOS, make sure to
turn the system off.
1-2: VCC
2-3: 5VSB
1
CLR_CMOS
1
USBPWR_R
9
Front Panel
3-pinUSBPWR_F
USB Power
Select Jumper
To avoid the system instability after clearing CMOS, we recommend
1.
users to enter the main BIOS setting page to “Load Default Settings”
and then “Save & Exit Setup”.
Make sure the power supply provides enough 5VSB voltage before se-
2.
lecting the 5VSB function.
3.
It is required that users place the USBPWR_F & USBPWR_R cap onto
2-3 pin rather than 1-2 pin as default if you want to wake up the computer by USB/PS2 KB/Mouse.
1-2: VCC
2-3: 5VSB
1
USBPWR_F
Installing the Motherboard
10
Installing Hardware
Installing the Processor
Caution: When installing a CPU heatsink and cooling fan make sure
that you DO NOT scratch the motherboard or any of the surfacemount resistors with the clip of the cooling fan. If the clip of the cooling
fan scrapes across the motherboard, you may cause serious damage
to the motherboard or its components.
On most motherboards, there are small surface-mount resistors near
the processor socket, which may be damaged if the cooling fan is
carelessly installed.
Avoid using cooling fans with sharp edges on the fan casing and the
clips. Also, install the cooling fan in a well-lit work area so that you
can clearly see the motherboard and processor socket.
Before installing the Processor
This motherboard automatically determines the CPU clock frequency and system
bus frequency for the processor. You may be able to change the settings in the system
Setup Utility. We strongly recommend that you do not over-clock processors or
other components to run faster than their rated speed.
Warning:
1. Over-clocking components can adversely affect the reliability of the
system and introduce errors into your system. Over-clocking can permanently damage the motherboard by generating excess heat in components that are run beyond the rated limits.
2. Always remove the AC power by unplugging the power cord from
the power outlet before installing or removing the motherboard or
other hardware components.
This motherboard has an LGA775 socket. When choosing a processor, consider the
performance requirements of the system. Performance is based on the processor
design, the clock speed and system bus frequency of the processor, and the quantity
of internal cache memory and external cache memory.
Fail-Safe Procedures for Over-clocking
When end-users encounter failure after attempting over-clocking, please take the
following steps to recover from it.
1. Shut down the computer
2. Press and hold the “Page Up Key (PgUp)” of the keyboard, and then boot the PC
up.
3. Two seconds after the PC boots up, release the “Page Up Key (PgUp)”.
4. The BIOS returns to the default setting by itself.
.
Installing the Motherboard
CPU Installation Procedure
The following illustration shows CPU installation components.
A. Read and follow the instructions shown
on the sticker on the CPU cap.
B. Unload the cap
· Use thumb & forefinger to hold the
lifting tab of the cap.
· Lift the cap up and remove the cap
completely from the socket.
C. Open the load plate
· Use thumb & forefinger to hold the
hook of the lever, pushing down and
pulling aside unlock it.
· Lift up the lever.
· Use thumb to open the load plate. Be
careful not to touch the contacts.
D. Install the CPU on the socket
· Orientate CPU package to the socket.
Make sure you match triangle marker
to pin 1 location.
E. Close the load plate
· Slightly push down the load plate onto
the tongue side, and hook the lever.
· CPU is locked completely.
11
F. Apply thermal grease on top of the CPU.
G. Fasten the cooling fan supporting base
onto the CPU socket on the motherboard.
H. Make sure the CPU fan is plugged to the
CPU fan connector. Please refer to the
CPU cooling fan user’s manual for more
detail installation procedure.
1. To achieve better airflow rates and heat dissipation, we suggest
that you use a high quality fan with 3800 rpm at least. CPU fan and
heatsink installation procedures may vary with the type of CPU fan/
heatsink supplied. The form and size of fan/heatsink may also vary.
2. DO NOT remove the CPU cap from the socket before installing a
CPU.
3. Return Material Authorization (RMA) requests will be accepted
only if the motherboard comes with the cap on the LGA775 socket.
Installing the Motherboard
12
Installing Memory Modules
This motherboard accommodates two memory modules. It runs at dual-channel
DDR3 1066/800MHz memory speed. The total memory capacity is 8 GB.
DDR3 SDRAM memory module table
Memory moduleMemory Bus
DDR3 800 400 MHz
DDR3 1066 533 MHz
You must install at least one module in any of the two slots.
Do not remove any memory module from its antistatic packaging until
you are ready to install it on the motherboard. Handle the modules
only by their edges. Do not touch the components or metal parts.
Always wear a grounding strap when you handle the modules.
Installation Procedure
Refer to the following to install the memory modules.
1This motherboard supports unbuffered DDR3 SDRAM .
2Push the latches on each side of the DIMM slot down.
3Align the memory module with the slot. The DIMM slots are keyed with
notches and the DIMMs are keyed with cutouts so that they can only be
installed correctly.
4Check that the cutouts on the DIMM module edge connector match the
notches in the DIMM slot.
5Install the DIMM module into the slot and press it firmly down until it
seats correctly. The slot latches are levered upwards and latch on to
the edges of the DIMM.
6Install any remaining DIMM modules.
Installing the Motherboard
Table A: DDR3 (memory module) QVL (Qualified V endor List)
r
r
X
r
r
r
Q
r
r
The following DDR3 1333/1066 memory modules have been tested and qualified for
use with this motherboard.
DDR3 800
NO.VendorModule part n umberIC B r andIC Chip NumberSS/D Size
1Qimonda IM SH51U03A1F1C-08EQimonda IDSH51-03A1F1C-O BESS 512M B
DDR3 1066
NO.VendorModule part n umberIC B r andIC Chip NumberSS/D Size
NO.VendorModule part numberIC BrandIC Chip NumberSS/DSSize
1G.SKILLF3-19200CL9D-4GBPISDS2GB
GU502203EP0201
GU512303EP0202
King Max KF B8FNG XF-AN X-15 U
King Max KF B8FNG XF-AN X-15 U
Elixir N2CB1G80AN-CG
Elixir N2CB1G80AN-CG
Nanya NT5CB128M8AN-CG
Elpida J1108BDBG-DJ-F
Elpida J1108BDBG-DJ-F
King Max KF B8FNG XF-AN X-12 A
King Max KF B8FNG XF-AN X-12 A
SS1GB
SS1GB
DS2GB
DS2GB
SS1GB
DS2GB
SS1GB
SS1GB
DS2GB
SS1GB
DS2GB
Installing the Motherboard
Expansion Slots
Installing Add-on Cards
The slots on this motherboard are designed to hold expansion cards and connect
them to the system bus. Expansion slots are a means of adding or enhancing the
motherboard’s features and capabilities. With these efficient facilities, you can increase the motherboard’s capabilities by adding hardware that performs tasks that are
not part of the basic system.
15
PCIEX16 Slot
PCIE Slot
PCI1~2
Slots
The PCI Express slot is used to install an external PCI Express
graphics card that is fully compliant to the PCI Express Gen 1.
The PCI Express x1 slot is fully compliant to the PCI Express Base
Specification revision 1.0a.
This motherboard is equipped with two standard PCI slots. PCI
stands for Peripheral Component Interconnect and is a bus standard
for expansion cards, which for the most part, is a supplement of the
older ISA bus standard. The PCI slot on this board is PCI
v2.3compliant.
Before installing an add-on card, check the documentation for the card
carefully. If the card is not Plug and Play, you may have to manually
configure the card before installation.
Installing the Motherboard
16
Follow these instructions to install an add-on card:
1Remove a blanking plate from the system case corresponding to the
slot you are going to use.
2Install the edge connector of the add-on card into the expansion slot.
Ensure that the edge connector is correctly seated in the slot.
3Secure the metal bracket of the card to the system case with a screw.
1. For some add-on cards, for example graphics adapters and network
adapters, you have to install drivers and software before you can begin using
the add-on card.
2. The onboard PCI interface does not support 64-bit SCSI cards.
Installing the Motherboard
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