Intel i945G2-IQNAR User Manual
i945G2-IQNAR
Intel® 945G LGA775 Core™ 2 Duo® / Core™ Duo® / Pentium®
4 / Celeron
®
D ATX Main Board
User’s Manual
Ver. 1.00
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Contents
Notices................................................................................................................................4
Safety information .............................................................................................................5
About this guide ................................................................................................................6
Typography........................................................................................................................7
I945G2-IQNAR specifications summary...........................................................................8
1.1 Welcome!......................................................................................................................8
1.1 Welcome!......................................................................................................................9
1.2 Package contents ........................................................................................................9
1.3 Special features .........................................................................................................10
1.3.1 Product highlights .....................................................................................................10
1.4 Before you proceed...................................................................................................13
1.5 Motherboard overview...............................................................................................14
1.5.1 Placement Direction..................................................................................................14
1.5.2 Screw Holes..............................................................................................................14
1.5.3 Motherboard Layout..................................................................................................15
1.6 Central Processing Unit (CPU).................................................................................16
1.6.1 Installing the CPU.....................................................................................................16
1.6.2 Installing the CPU Heatsink and Fan........................................................................19
1.6.3 Uninstalling the CPU Heatsink and Fan....................................................................21
1.7 System memory.........................................................................................................23
1.7.1 Overview...................................................................................................................23
1.7.2 Memory Configurations.............................................................................................24
1.7.3 DDR2 Qualified Vendors List....................................................................................25
1.7.4 Installing a DIMM......................................................................................................27
1.7.5 Removing a DIMM....................................................................................................28
1.8 Expansion slots .........................................................................................................29
1.8.1 Installing an Expansion Card....................................................................................29
1.8.2 Configuring an Expansion Card................................................................................29
1.8.3 Interrupt Assignments...............................................................................................30
1.8.4 PCI slots ...................................................................................................................31
1.8.5 PCI Express x16.......................................................................................................31
1.8.6 PCI Express x1.........................................................................................................31
1.9 Jumpers......................................................................................................................32
1. Clear RTC RAM (CLRTC)..............................................................................................32
1.10 Connectors...............................................................................................................33
1.10.1 Rear panel connectors............................................................................................33
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1.10.2 Internal connectors .................................................................................................34
2.1 Introduction................................................................................................................46
2.1.1 CMOS RAM Auto-backup and Restore...................................................................46
2.2 Entering Setup ...........................................................................................................47
2.3 Standard CMOS Setup...............................................................................................48
2.4 Advanced BIOS Features.......................................................................................... 50
2.5 Advanced Chipset Features......................................................................................53
2.6 Integrated Peripheral.................................................................................................55
i945G2-IQNAR RAID BIOS Setting Procedure...............................................................56
2.7 Power Management Setup ........................................................................................67
2.8 PnP/PCI Configurations.............................................................................................70
2.9 PC Health Status.........................................................................................................71
2.10 Frequency/Voltage Control.....................................................................................72
2.11 Password Setting.....................................................................................................73
2.12 Save & Exit Setup ....................................................................................................73
2.13 Exit Without Saving.................................................................................................73
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Notices
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
y This device may not cause harmful interference, and
y This device must accept any interference received including interference that may
cause undesired operation.
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 manufacturer’s instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If his 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:
y Reorient or relocate the receiving antenna.
y Increase the separation between the equipment and receiver.
y Connect the equipment to an outlet on a circuit different from that to which the receiver
is connected.
y Consult the dealer or an experienced radio/TV technician for help.
The use of shielded cables for connection of the monitor to the
graphics card is required to assure compliance with FCC
regulations. Changes or modifications to this unit not expressly
approved by the party responsible for compliance could void the
user’s authority to operate this equipment.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions from
digital apparatus set out in the Radio Interference Regulations of the Canadian Department
of Communications.
This class B digital apparatus complies with Canadian ICES-003.
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Safety information
Electrical safety
y To prevent electrical shock hazard, disconnect the power cable from the electrical
outlet before relocating the system.
y When adding or removing devices to or from the system, ensure that the power cables
for the devices are unplugged before the signal cables are connected. If possible,
disconnect all power cables from the existing system before you add a device.
y Before connecting or removing signal cables from the motherboard, ensure that all
power cables are unplugged.
y Seek professional assistance before using an adapter or extension cord. These
devices could interrupt the grounding circuit.
y Make sure that your power supply is set to the correct voltage in your area.
y If you are not sure about the voltage of the electrical outlet you are using, contact your
local power company.
y If the power supply is broken, do not try to fix it by yourself. Contact a qualified service
technician or your retailer.
Operation safety
y Before installing the motherboard and adding devices on it, carefully read all the
manuals that came with the package.
y Before using the product, make sure all cables are correctly connected and the power
cables are not damaged. If you detect any damage, contact your dealer immediately.
y To avoid short circuits, keep paper clips, screws, and staples away from connectors,
slots, sockets and circuitry.
y Avoid dust, humidity, and temperature extremes. Do not place the product in any area
where it may become wet.
y Place the product on a stable surface.
y If you encounter technical problems with the product, contact a qualified service
technician or your retailer.
The symbol of the crossed out wheeled bin indicates that the
product (electrical and electronic equipment) should not be placed
in municipal waste. Check local regulations for disposal of
electronic products.
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About this guide
This user guide contains the information you need when installing and configuring the
motherboard.
How this guide is organized
This manual contains the following parts:
y Chapter 1: Product introduction
This chapter describes the features of the motherboard and the new technology it
supports. This chapter also lists the hardware setup procedures that you have to
perform when installing system components. It includes description of the jumpers and
connectors on the motherboard.
y Chapter 2: BIOS setup
This chapter tells how to change system settings through the BIOS Setup menus.
Detailed descriptions of the BIOS parameters are also provided.
Where to find more information
Refer to the following sources for additional information and for product and software
updates.
1. Advansus websites
The Advansus website provides updated information on Advansus hardware and software
products. Refer to the Advansus contact information.
2. Optional documentation
Your product package may include optional documentation, such as warranty flyers, that
may have been added by your dealer. These documents are not part of the standard
package.
Conventions used in this guide
To make sure that you perform certain tasks properly, take note of the following symbols
used throughout this manual.
DANGER/WARNING: Information to prevent injury to yourself
when trying to complete a task.
CAUTION: Information to prevent damage to the components
when trying to complete a task.
IMPORTANT: Instructions that you MUST follow to complete a
task.
NOTE: Tips and additional information to help you complete a
task.
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Typography
Bold text Indicates a menu or an item to select
Italics Used to emphasize a word or a phrase
<Key> Keys enclosed in the less-than and greater-than sign means
that you must press the enclosed key
Example: <Enter> means that you must press the Enter or
Return key
<Key1>+<Key2>+<Key3> If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+)
Example: <Ctrl>+<Alt>+<D>
Command
Means that you must type the command exactly as shown,
then supply the required item or value enclosed in brackets
Example: At the DOS prompt, type the command line:
Awardflash [BIOSfilename.bin] /f
Awardflash 945EAVR1.BIN /f
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I945G2-IQNAR specifications summary
Specifications
System
CPU
Supports Intel LGA775 Core 2 Duo / Core Duo / Pentium 4 / Celeron D CPU
with 65nm process technology
FSB
1066/800/533 MHz
BIOS
Award 4 Mb Flash ROM BIOS
System Chipset
Intel 82945G GMCH/ICH7R
I/O Chipset
Winbond W83627EHG-A
Memory
Four 240-pin DIMM sockets support up to 4 GB Dual Channel DDR2 533/667
SDRAM
Watchdog Timer
Reset: 1 sec.~255 min. and 1 sec. or 1 min./step
H/W Status Monitor
Monitoring CPU temperature, voltage, and cooling fan status. Auto throttling
control when CPU overheats
Expansion Slots
One PCI Express X16, One PCI Express X1, Five PCI slots (PCI Rev. 2.2
compliant)
S3
S3 Support
Smart Fan Control
Yes
I/O
MIO
1 x EIDE (Ultra DMA 100), 1 x EIDE Raid, 4 x SATA, 1 x FDD, 1 x LPT,
3 x RS-232, 1 x RS-232/422/485, 1 x K/B, 1 x Mouse
USB
8 x USB 2.0 ports
Display
Chipset
Intel® 82945G GMCH integrated Graphics Media Accelerator 950
Display Memory
Intel® DVMT 3.0 supports 224 MB video memory
Resolution
2048 x 1536 @ 32 bpp (75 Hz)
External VGA Interface
PCI-E X16 VGA interface
LVDS
Through ADD2 LVDS Card
DVI
Through ADD2 DVI Card
Secondary VGA
Through ADD2 VGA Card
Audio
Audio Codec
Realtek ALC888 supports 7.1-CH High definition audio codec
Audio Interface
Mic. in, Line in, CD Audio in, Line out
Ethernet
LAN1 / LAN2
Intel 82573L Gigabit LAN
* Specifications are subject to change without notice.
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1.1 Welcome!
Thank you for buying an ® i945G2-IQNAR motherboard!
The motherboard delivers a host of new features and latest technologies, making it another
standout in the long line of quality motherboards!
Before you start installing the motherboard, and hardware devices on it, check the items in
your package with the list below.
1.2 Package contents
Check your motherboard package for the following items.
Before you begin installing your single board, please make sure that the following materials
have been shipped:
z
1 x Intel 945G ATX Main board
z
1 x CD-ROM contains the followings:
• User’s Manual in PDF file
• Drivers
z
1 x 2-in-1 FD/ATA cable
z
3 x COM1 cable (9-pin, 260mm)
z
2 x SATA cable
z
1 x Startup Manual
If any of the above items is damaged or missing, contact your
retailer.
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1.3 Special features
1.3.1 Product highlights
Latest processor technology
The motherboard comes with a 775-pin surface mount Land Grid Array (LGA) socket
designed for the Intel® Core 2 Duo, Intel® Core Duo, Intel® Pentium® 4 or Intel® Celeron®
D processor in the 775-land package. The motherboard supports the Intel® Pentium® 4 or
Intel® Pentium® D processor with 1066/800/533 MHz Front Side Bus (FSB). The
motherboard also supports the Intel® Hyper‑Threading Technology and is fully compatible
with Intel® PCG 04B/04A and 05B/05A processors. See page 1-9 for details.
Intel® 65nm Dual-Core Technology CPU support
This motherboard supports Intel® Pentium® D/Pentium® 4/Celeron® dual-core processors
built on the 65-nanometer (nm) process technology with copper interconnect.
Dual-core processors contain two physical CPU cores with dedicated L2 caches to meet
demands for more powerful processing. Intel®’s 65nm process is the most advanced chip
manufacturing technology, delivering breakthrough performance, enhanced media
experience, and low power consumption. Intel® 65nm dual-core processors utilize the
latest package technologies for a thinner, lighter design without compromising
performance.
Intel® 945G chipset
The Intel® 945G graphics memory controller hub (GMCH) and the ICH7 I/O controller hub
provide the vital interfaces for the motherboard. The GMCH features the Intel® Graphics
Media Accelerator 950, an integrated graphics engine for enhanced 3D, 2D, and video
capabilities. The GMCH provides the interface for a processor in the 775-land package with
533/800/1066 MHz front side bus (FSB), dual channel DDR2 at speeds of up to 667 MHz,
and PCI Express x16 graphics card.
The Intel® ICH7 Southbridge represents the seventh generation I/O controller hub that
provides the interface for PCI Express and 8-channel high definition audio.
Intel® Viiv™ Technology support
Intel® Viiv™ Technology transforms your PC into an entertainment center, allowing you to
enjoy and share digital multi-media content like never before. With Intel® Viiv™
Technology-based computers, you can record, playback, organize, and edit digital media
content easily. Enjoy the entertainment experience even more with sharp graphics, flawless
video playback, and support for up to 7.1 channel surround sound. To enable Intel® Viiv™
Technology, make sure you enable the Quick Resume function called Energy Lake in the
BIOS. Refer to the BIOS screen on page 2-33. You also need to install the Intel® Viiv™
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Technology driver and software. See pages 3-4 and 3-5 for details.
Enabling Intel Viiv platform also requires:
- Intel® Pentium® D processor or Intel® Pentium® processor Extreme Edition
- Native Command Queuing (NCQ) SATA hard drive
- Microsoft Windows XP Media Center Edition Update Rollup 2 Refer to www.Intel.com for
more information.
DDR2 memory support
The motherboard supports DDR2 memory which features data transfer rates of
1066/800/533 MHz to meet the higher bandwidth requirements of the latest 3D graphics,
multimedia, and Internet applications. The dual-channel DDR2 architecture doubles the
bandwidth of your system memory to boost system performance, eliminating bottlenecks
with peak bandwidths of up to 8.5 GB/s. See pages 1‑16 to 1-18 for details.
PCI Express™ interface
The motherboard fully supports PCI Express, the latest I/O interconnect technology that
speeds up the PCI bus. PCI Express features point‑to‑point serial interconnections
between devices and allows higher clockspeeds by carrying data in packets. This high
speed interface is software compatible with existing PCI specifications. See page 1-22 for
details.
64-bit CPU support
The motherboard supports 64-bit processors that provides high‑performance computing
and faster memory access required for memory and data intensive applications.
Serial ATA technology
The motherboard supports the Serial ATA technology through the Serial ATA interfaces
and the Intel® ICH7 chipset. The SATA specification allows for thinner, more flexible cables
with lower pin count, reduced voltage requirement, and up to 300 MB/s data transfer rate.
7.1-channel high definition audio
The onboard Realtek® ALC888 7.1-channel high-definition audio CODEC provides 192
KHz/ 24‑bit audio output, jack-sensing and restasking functions. With the 8‑channel audio
ports and S/PDIF interfaces, you can connect your computer to home theater decoders to
produce crystal‑clear digital audio.
Temperature, fan, and voltage monitoring
The CPU temperature is monitored by the ASIC (integrated in the Winbond Super I/O) to
prevent overheating and damage. The system fan rotations per minute (RPM) is monitored
for timely failure detection. The ASIC monitors the voltage levels to ensure stable supply of
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current for critical components. See pages 2-32 and 2-33 for details.
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1.4 Before you proceed
Take note of the following precautions before you install motherboard components or
change any motherboard settings.
y Unplug the power cord from the wall socket before touching
any component.
y Use a grounded wrist strap or touch a safely grounded object
or a metal object, such as the power supply case, before
handling components to avoid damaging them due to static
electricity
y Hold components by the edges to avoid touching the ICs on
them.
y Whenever you uninstall any component, place it on a
grounded antistatic pad or in the bag that came with the
component.
y Before you install or remove any component, ensure that
the ATX power supply is switched off or the power cord is
detached from the power supply. Failure to do so may
cause severe damage to the motherboard, peripherals, and/or
components.
Onboard LED
The motherboard comes with a standby power LED that lights up to indicate that the
system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should
shut down the system and unplug the power cable before removing or plugging in
any motherboard component. The illustration below shows the location of the
onboard LED.
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1.5 Motherboard overview
Before you install the motherboard, study the configuration of your chassis to ensure that
the motherboard fits into it.
Make sure to unplug the power cord before installing or removing
the motherboard. Failure to do so can cause you physical injury and
damage motherboard components.
1.5.1 Placement Direction
When installing the motherboard, make sure that you place it into the chassis in the correct
orientation. The edge with external ports goes to the rear part of the chassis as indicated in
the image below.
1.5.2 Screw Holes
Place nine (9) screws into the holes indicated by circles to secure the motherboard to the
chassis.
Place this side towards
the rear of the chassis
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1.5.3 Motherboard Layout
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1.6 Central Processing Unit (CPU)
The motherboard comes with a surface mount LGA775 socket designed for the Intel®
Pentium® 4 processor in the 775-land package.
y Your boxed Intel® Pentium® 4 LGA775 processor package should
come with installation instructions for the CPU, fan and heatsink
assembly. If the instructions in this section do not match the CPU
documentation, follow the latter.
y Upon purchase of the motherboard, make sure that the PnP cap is
on the socket and the socket pins are not bent. Contact your
retailer immediately if the PnP cap is missing, or if you see any
damage to the PnP cap/socket pins/motherboard components.
ADVANSUS will shoulder the cost of repair only if the damage is
shipment/transit-related.
y Keep the cap after installing the motherboard. ADVANSUS will
process Return Merchandise Authorization (RMA) requests only if
the motherboard comes with the cap on the LGA775 socket.
y The product warranty does not cover damage to the socket pins
resulting from incorrect CPU installation/removal, or
misplacement/loss/incorrect removal of the PnP cap.
1.6.1 Installing the CPU
1. Locate the CPU socket on the motherboard.
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Before installing the CPU, make sure that the socket box is facing
towards you and the load lever is on your left.
2. Press the load lever with your thumb (A), then move it to the left (B) until it is released
from the retention tab.
To prevent damage to the socket pins, do not remove the PnP cap
unless you are installing a CPU.
3. Lift the load lever in the direction of the
arrow to a 135º angle.
4. Lift the load plate with your thumb and
forefinger to a 100º angle (A), then
push the PnP cap from the load plate
window to remove (B).
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5. Position the CPU over the socket,
making sure that the gold triangle is on
the bottom-left corner of the socket
then fit the socket alignment key into
the CPU notch.
6. Close the load plate (A), then push the
load lever (B) until it snaps into the
retention tab.
The CPU fits in only one correct orientation. DO NOT force the CPU
into the socket to prevent bending the connectors on the socket and
damaging the CPU!
The motherboard supports Intel® LGA775 processors with the Intel®
Enhanced Memory 64 Technology (EM64T), Enhanced Intel
SpeedStep® Technology (EIST), and Hyper-Threading Technology.
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1.6.2 Installing the CPU Heatsink and Fan
The Intel® Pentium® 4 LGA775 processor requires a specially designed heatsink and fan
assembly to ensure optimum thermal condition and performance.
z Install the motherboard to the chassis before you install the CPU
fan and heatsink assembly.
z When you buy a boxed Intel® Pentium® 4 processor, the
package includes the CPU fan and heatsink assembly. If you buy
a CPU separately, make sure that you use only Intel®‑certified
multi‑directional heatsink and fan.
z Your Intel® Pentium® 4 LGA775 heatsink and fan assembly
comes in a push-pin design and requires no tool to install.
If you purchased a separate CPU heatsink and fan assembly, make
sure that you have properly applied Thermal Interface Material to the
CPU heatsink or CPU before you install the heatsink and fan
assembly.
To install the CPU heatsink and fan:
1. Place the heatsink on top of
the installed CPU, making
sure that the four fasteners
match the holes on the
motherboard.
Orient the heatsink
and fan assembly
such that the CPU fan
cable is closest to the
CPU fan connector.
Make sure each fastener is oriented as shown, with the narrow groove
directed outward.
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2. Push down two fasteners at a
time in a diagonal sequence
to secure the heatsink and fan
assembly in place.
3. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.
Do not forget to connect the CPU fan connector! Hardware monitoring
errors can occur if you fail to plug this connector.
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1.6.3 Uninstalling the CPU Heatsink and Fan
To uninstall the CPU heatsink and fan:
1. Disconnect the CPU fan cable from the
connector on the motherboard.
2. Rotate each fastener counterclockwise.
3. Pull up two fasteners at a time
in a diagonal sequence to
disengage the heatsink and
fan assembly from the
motherboard
4. Carefully remove the heatsink and fan
assembly from the motherboard.
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5. Rotate each fastener
clockwise to ensure correct
orientation when reinstalling.
The narrow end of the
groove should point
outward after
resetting. (The photo
shows the groove
shaded for emphasis.)
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