945GCT
Intel 945 Series
Intel 945GC/945GZ/945GCT/945GZT
Socket LGA775 Processor Mainboard
User’s Manual
Rev: 1.10, Oct 2007
P/N: 88EN945GC1
Disclaimer
The intellectual property of this manual belongs to our company. The ownership of all of the
products, including accessories and software etc. belong to our company. No one is permitted to
copy, change, or translate without our written permission.
We compiled this manual based on our careful attitude, but we can not guarantee the accuracy
of the contents. This manual is purely technical documentation, without any hint or other
meanings, and we won't commit users' misunderstanding of the typesetting error.
Our products are in continuous improvement and updating, Therefore, we retain the right that
we won't give notice to the users in future.
Copyright
All of the trademark in this manual belong to their own registered company.
All of the products name is only for identication, its title belongs to its manufacturer or brand
owner.
Table of Contents
Chapter 1 Introduction ........................................................................ 3
1.1 Package Checklist ............................................................................................... 3
1.2 Specications ...................................................................................................... 4
1.3 Mainboard Layout ............................................................................................... 5
1.3.1 Intel 945GC(V1.0) ........................................................................................................... 5
1.3.2 Intel 945GC(V2.0) ........................................................................................................... 6
1.4 Connecting Rear Panel I/O Devices ................................................................... 7
Chapter 2 Hardware Setup .................................................................. 8
2.1 Choosing a Computer Chassis ............................................................................. 8
2.2 Installing Mainboard ........................................................................................... 8
2.3 Installation of the CPU and CPU Cooler............................................................... 9
2.3.1 Installation of the CPU .................................................................................................... 9
2.3.2 Installation of the CPU Cooler ....................................................................................... 10
2.4 Installation of Memory Modules........................................................................ 10
2.5 Connecting Peripheral Devices.......................................................................... 11
2.5.1 Floppy and IDE Disk Drive Connectors ............................................................................ 11
2.5.2 Serial ATA Connectors ..................................................................................................... 11
2.5.3 PCI and PCI Express slots ............................................................................................... 11
Chapter 3 Jumpers & Headers Setup ................................................ 12
3.1 Checking Jumper Settings ................................................................................ 12
3.2 CMOS Memory Clearing Header ........................................................................ 12
3.3 Keyboard Power Function ................................................................................. 12
3.4 FAN Power Connectors ...................................................................................... 13
3.5 Front Panel Switches & Indicators Headers ..................................................... 13
3.6 Additional USB Port Headers ............................................................................ 14
3.7 Front Panel Audio Connection Header............................................................... 14
3.8 Internal Audio Connectors ................................................................................ 15
3.9 ATX Power InputConnectors ............................................................................. 15
Chapter 4 BIOS Setup Utility ............................................................. 16
4.1 About BIOS Setup ..............................................
4.2 To Run BIOS Setup ............................................
4.3 About CMOS..............................................
4.4 The POST (Power On Self Test).......................................................................... 16
4.5 BIOS Setup — CMOS Setup Utility..................................................................... 17
4.5.1 CMOS Setup Utility ........................................................................................................ 17
4.5.2 Control Keys .................................................................................................................. 18
4.5.3 Standard CMOS Features .............................................................................................. 19
4.5.4 Advanced BIOS Features ............................................................................................... 21
4.5.5 Advanced Chipset Features ........................................................................................... 24
4.5.6 Integrated Peripherals .................................................................................................. 26
4.5.7 Power Management Setup ............................................................................................ 30
4.5.8 PnP PCI Conguration ................................................................................................... 32
4.5.9 PC Health Status ............................................................................................................ 33
4.5.10 Frequency/Voltage Control ......................................................................................... 34
4.5.11 Load Fail-Safe Defaults ................................................................................................ 35
4.5.12 Load Optimized Defaults .............................................................................................. 35
4.5.13 Set Supervisor/User Password .................................................................................... 35
4.5.14 Save & Exit Setup ......................................................................................................... 36
4.5.15 Exit Without Saving ...................................................................................................... 36
Chapter 5 Driver Installation ...... ....................................................... 37
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Intel 945 Series User's Manual
Chapter 1 Introduction
1.1 Package Checklist
Thank you for choosing our product.
Please check the following packing and accessories, if there is any broken or part missing,
please contact with your franchiser.
• HDD Cable X 1
• Serial ATA Cable X 1
• Rear I/O Panel X 1
• User's Manual X 1
• Driver/Utility CD X 1
• FDD Cable X 1 (Optional)
• Serial ATA Power Cable X 1 (Optional)
The items listed above are for reference only, and are subject to change without notice.
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Intel 945 Series User's Manual
1.2 Specications
- LGA775 socket for Intel® CoreTM2 Duo/Pentium® D/Pentium® 4/
CPU
Chipset
VGA - Intel Graphics Media Accelerator 950
Main Memory
BIOS
Integrate Ports
Sound
Onboard LAN - Onboard 10/100/1000Mbps compatible LAN (Optional)
Expansion Slots
Form Factor - Micro-ATX
Celeron® D Processors
- FSB 1333MHz/1066MHz(for Intel 945GC-A2 Chipset Only)、800MHz/
533MHz
- Hyper Threading Technology
- Based on Intel 945GZ/945GC/945GC-A2 + ICH7
- ICH7: Intel FW82801GB
- 2x 240-pin DIMM slots support (for Intel 945GC(V1.0) Only)
- 4x 240-pin DIMM slots support (for Intel 945GC(V2.0) Only)
- Maximum memory capacity up to 2GB
- Supports Dual Channel DDR2 667MHz(for Intel 945GC-A2 Chipset
Only)(Optional)
- Supports Dual Channel DDR2 533MHz
- Supports Plug&Play
- Supports Advanced Power Management ACPI
- CPU temperature, Fan speed, System Voltage monitoring
- 1 X Floppy Drive, supports 360K/720K/1.2M/1.44M/2.88M oppy disk
- 8 X USB 2.0 ports, USB 1.1 is compliant
- 1 X COM port
- 1 X VGA port
- 1 X PS/2 Keyboard port
- 1 X PS/2 Mouse port
- 1 X RJ45 port
- 1 X LPT connector (Optional)
- 1 X eSATA port (Optional)
- Provides 1* IDE connector, 2* IDE devices could be connected,
support ATA 66/100
- Provides 4* SATA high speed HDD ports
- Onboard 6-channel/8-channel HD Audio Codec (Optional)
- Supports 16 bit Audio Codec
- Positioning Audio Support A3D, I3DL2
- Front Panel Jumper, provides stereo MIC port on front panel
- 1 X PCI Express x16 slot (Intel 945GZ Chipset works at 4 X)
- 2 X PCI slots
- Support PCI Bus interface v2.2 compliant
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Intel 945 Series User's Manual
1.3 Mainboard Layout
1.3.1 Intel 945GC(V1.0)
(This picture is only for reference)
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Intel 945 Series User's Manual
1.3.2 Intel 945GC(V2.0)
(This picture is only for reference)
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Intel 945 Series User's Manual
1.4 Connecting Rear Panel I/O Devices
The rear I/O part of this mainboard provides the following I/O ports:
• PS/2 Mouse: Connect to PS/2 mouse.
• PS/2 Keyboard: Connect to PS/2 keyboard.
• LPT: Connect to printer or other devices that support this communication protocol.
• COM: Connect to external modem, mouse or other devices that support this
communication protocol.
• VGA: Connect to monitor input.
• LAN: Connect to Local Area Network.
• USB: Connect to USB devices such as scanner, digital speakers, monitor, mouse, keyboard,
hub, digital camera, joystick etc.
• eSATA: Connect to peripherial SATA devices.The peripherial SATA devices must connect
inside SATA connectors. (Optional)
• AUDIO1:
Cen./Sub. (Center / Subwoofer): Connect to the center and subwoofer channel in the 7.1
channel audio system.
R.L./R.R. (Rear Left / Rear Right): Connect to the rear left and rear right channel in the 7.1
channel audio system.
S.L./S.R. (Surround Left / Surround Right): Connect to the surround left and surround right
channel in the 7.1 channel audio system.
Line-In: Connect to the line out from external audio sources.
Line-Out: Connect to the front left and front right channel in the 7.1-channel or regular
2-channel audio system.
Mic-In: Connect to the plug from external microphone.
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Intel 945 Series User's Manual
Chapter 2 Hardware Setup
2.1 Choosing a Computer Chassis
The mainboard and its component layouts illustrated in this chapter were
based mainly on model “Intel 945GC(V1.0)”, unless speci cally stated.
• Choose a chassis big enough to install this mainboard.
• As some features for this mainboard are implemented by cabling connectors on the
mainboard to indicators and switches or buttons on the chassis, make sure your chassis
supports all the features required.
• If there is possibility of adopting some more hard drives, make sure your chassis has
sufcient power and space for them.
• Most chassis have alternatives for I/O shield located at the rear panel. Make sure the I/O
shield of the chassis matches the I/O port conguration of this mainboard. You can nd
an I/O shield specically designed for this mainboard in its package.
2.2 Installing Mainboard
Most computer chassis have a base with many mounting holes to allow the mainboard to
be securely attached, and at the same time, prevent the system from short circuits. There
are two ways to attach the mainboard to the
chassis base: (1) with studs, or (2) with spacers.
Basically, the best way to attach the board is with
studs. Only if you are unable to do this should you
attach the board with spacers. Line up the holes on
the board with the mounting holes on the chassis.
If the holes line up and there are screw holes, you
can attach the board with studs. If the holes line
up and there are only slots, you can only attach with
spacers. Take the tip of the spacers and insert them
into the slots. After doing this to all the slots, you can slide the board into position aligned
with slots. After the board has been positioned, make sure everything is OK before putting
the chassis back on.
Always power off the computer and unplug the AC power cord before adding or removing
any peripheral or component. Failing to do so may cause severe damage to your
mainboard and/or peripherals. Plug in the AC power cord only after you have carefully
checked everything.
To install this mainboard:
1. Locate all the screw holes on the mainboard and the chassis base.
2. Place all the studs or spacers needed on the chassis base and have them tightened.
3. Face the mainboard’s I/O ports toward the chassis’s rear panel.
4. Line up all the mainboard’s screw holes with those studs or spacers on the chassis.
5. Install the mainboard with screws and have them tightened.
To prevent shorting the PCB circuit, please REMOVE the metal studs or spacers if they are
already fastened on the chassis base and are without mounting-holes on the mainboard to
align with.
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Intel 945 Series User's Manual
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2.3 Installation of the CPU and CPU Cooler
Before installing the CPU, please comply with the following conditions:
1. Please make sure that the mainboard supports the CPU.
2. Please take note of the one indented corner of the CPU. If you install the CPU in the wrong
direction, the CPU will not insert properly. If this occurs, please change the insert direction
of the CPU.
3. Please add an even layer of heat sink paste between the CPU and CPU cooler.
4. Please make sure the CPU cooler is installed on the CPU prior to system use, otherwise
overheating and permanent damage of the CPU may occur.
5. Please set the CPU host frequency in accordance with the processor specications. It is not
recommended that the system bus frequency be set beyond hardware specications since
it does not meet the required standards for the peripherals. If you wish to set the frequen-
cy beyond the proper specications, please do so according to your hardware
specications including the CPU, graphics card, memory, hard drive, etc.
2.3.1 Installation of the CPU
1. Open the socket lever by
pushing the lever down and
away from the socket (see
Figure 1, 1 and 2).
Figure 1
2. Lift the load plate. Do not
touch the socket contacts
(see Figure 2, 3 and 4)
3 . Re m o v e the pl a s t i c
pro t ecti v e soc k et c o ver
from the load pl ate (see
Figure 3, 5). Do not discard
the protective socket cover.
Always replace the socket
cover if th e proce ss or i s
removed from the socket.
Figure 3
4. Remove th e processor
f r o m t h e p r o t e c t i v e
proces sor cover. Hold the
processor only at the edges,
being careful not to touch
the bottom of the processor
(see F i g u r e 4) . Do not
d i s c a r d th e p r o t e c t i v e
pr o ces sor cov er. Al way s
r e p l a c e t h e p r o c e s s o r
back to the package if the
processor is removed from
the socket.
6. Press in g down on the
lo a d p lat e ( Fig ure 6, 9)
Figure 2
Figure 4
5. Hold the processor with
yo u r th um b an d i n d e x
ngers oriented as shown in
Figure 5. Make sure ngers
align to the socket cutouts
(s e e F igu re 5 , 6 ). Alig n
notches (see Figure 5, 7)
with the socket see (Figure
5, 8). Lower the processor
straight down without tilting
or sliding the processor in
the socket.
Figure 6
c l o s e an d en g a g e th e
socket lever (Figure 6, 10).
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Figure 5
Intel 945 Series User's Manual
Eje ctor Tab
Not ch K ey
Mou nting No tch
Rib
2.3.2 Installation of the CPU Cooler
For proper installation, please kindly refer to the instruction manuals of your CPU Cooler.
2.4 Installation of Memory Modules
This mainboard provides two 240-pin DDRII (Double Data Rate) DIMM slots (Intel945GC(V2.0)
provides 4x) , and supports Dual Channel Memory Technology. For dual channel
conguration, you always need to install two identical (the same brand, speed, size and chip-
type) memory modules in the DDRII DIMM slots to activate Dual Channel Memory
Technology. Otherwise, it will operate at single channel mode.
Static electricity can damage the electronic components of the computer or optional
boards. Before starting these procedures, ensure that you are discharged of static
electricity by touching a grounded metal object briey.
To install system memory:
1. Power off the computer and unplug the
AC power cord before installing or
removing memory modules.
2. Locate the DIMM slot on the board.
3. Hold two edges of the DIMM module
carefully, keep away from touching its
connectors.
4. Align the notch key on the module with
the rib on the slot.
5. Firmly press the module into the slots until the ejector tabs at both sides of the slot
automatically snap into the mounting notch. Do not force the DIMM module in with extra
force as the DIMM module only ts in one direction.
6. To remove the DIMM modules, push the two ejector tabs on the slot outward
simultaneously, and then pull out the DIMM module.
Dual-Channel Memory installation (For Intel 945GC(V2.0) Only)
The Intel 945GC(V2.0) includes 4 DIMM sockets, and each Channel has two DIMM sockets as
following:
Channel 1 : DIMM1, DIMM2
Channel 2 : DIMM3, DIMM4
The following is a Dual Channel Memory conguration table:
(D: Double Side, S: Single Side, "--": Empty)
Channel 1 Channel 2
DIMM1 DIMM2 DIMM3 DIMM4
S -- S -- Enabled
S -- -- S Enabled
-- S S -- Enabled
-- S -- S Enabled
S S S S Enabled
D -- D -- Enabled
D -- -- D Enabled
-- D D -- Enabled
-- D -- D Enabled
Dual Channel
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Intel 945 Series User's Manual
2.5 Connecting Peripheral Devices
2.5.1 Floppy and IDE Disk Drive Connectors
The FDD connector connects up to two oppy drives with a 34-wire, 2-connector oppy
cable.Connect the single end at the longer length of ribbon cable to the FDD on the board,
the two connectors on the other end to the oppy disk drives connector. Generally you need
only one oppy disk drive in your system.
The red line on the ribbon cable must be aligned with pin-1 on both the FDD port and the oppy connector.
Each of the IDE port connects up to two
IDE drives at Ultra ATA/100 mode by one
40-pin, 80-conductor,and 3-connector Ultra
ATA/66 ribbon cables.
Connect the single end (blue connector)
at the longer length of ribb on cable to
the IDE port of this board, the other two
ends (gray and black connector) at the
shorter length of the ribbon cable to the
connectors of your hard drives.
Make sure to congure the “Master” and “Slave”
rel ati on befor e conne ctin g two dr ives by one
singl e ribbon c able. The red line on the ribbon
cable must be aligned with pin-1 on both the IDE
port and the hard-drive connector.
2.5.2 Serial ATA Connectors
Each SATA connector serves as one single channel to connect one SATA device by SATA
cable.
2.5.3 PCI and PCI Express slots
Install PCI Express X16 graphics card into slot “PCIE1”.
Install PCI card into slots “PCI1” or “PCI2”.
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