4.Lay this equipment on a reliable flat surface before setting it up.
5.The openings on the enclosure are for air convection hence protects the equipment from overheating. DO NOT COVER THE OPENINGS.
6.Make sure the voltage of the power source and adjust properly 110/220V before connecting the equipment to the power inlet.
7.Place the power cord such a way that people can not step on it. Do not place
anything over the power cord.
8.Always Unplug the Power Cord before inserting any add-on card or module.
9.All cautions and warnings on the equipment should be noted.
10. Never pour any liquid into the opening that could damage or cause electrical
shock.
11. If any of the following situations arises, get the equipment checked by a service
personnel:
† The power cord or plug is damaged.
† Liquid has penetrated into the equipment.
† The equipment has been exposed to moisture.
† The equipment has not work well or you can not get it work according to
User’s Manual.
† The equipment has dropped and damaged.
† The equipment has obvious sign of breakage.
12. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT UNCONDITIONED, STORAGE TEMPERATURE ABOVE 600 C (1400F), IT MAY DAMAGE THE EQUIPMENT.
CAUTION: Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the
manufacturer.
iii
FCC-B Radio Frequency Interference Statement
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 accor-
dance 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 measures listed
below.
† Reorient or relocate the receiving antenna.
† Increase the separation between the equipment and receiver.
† Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
† Consult the dealer or an experienced radio/television technician for help.
Notice 1
The changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
Notice 2
Shielded interface cables and A.C. power cord, if any, must be used in order to
comply with the emission limits.
VOIR LA NOTICE D ’INSTALLATION AVANT DE RACCORDER AU RESEAU.
Micro-Star International
MS-7527
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
iv
WEEE (Waste Electrical and Electronic Equipment) Statement
Сведения о программном обеспечении ...................................................Ru-25
viii
G31M4
User’s Guide
Engli sh
English
En-1
MS-7527 Mainboard
Specifications
Processor Support
- Intel® Core2 Duo/ Pentium D/ Pentium 4 / Celeron D Prescott
LGA775 processors in LGA775 package.
- Supports 4-pin CPU Fan Pin-Header with Fan Speed Control.
(For the latest information about CPU, please visit http://global.msi.
com.tw/index.php?func=cpuform)
Supported FSB
- 800/1066/1333 MHz
Chipset
- North Bridge: Intel® G31 chipset
- South Bridge: Intel® ICH7 chipset
Memory Support
- DDR2 667/800 SDRAM (4GB Max)
- 4 DDR2 DIMMs
(For more information on compatible components, please visit http:/
/global.msi.com.tw/index.php?func=testreport)
- Supports 1 FDD with 360KB, 720KB, 1.2MB, 1.44MB and 2.
88MB
Connectors
Back panel
- 1 PS/2 mouse port
- 1 PS/2 keyboard port
- 1 serial port (COM1)
- 1 VGA port
- 1 parallel port supporting SPP/EPP/ECP mode
- 4 USB 2.0 Ports
- 1 RJ-45 LAN Jack
- 1 1394 port (optional)
- 6 flexible audio jacks
On-Board Pinheaders/ Connectors
- 2 USB 2.0 pinheaders
- 1 CD-in pinheader
- 1 SPDIF-Out pinheader
- 1 IEEE 1394 pinheader (optional)
- 1 Front Panel Audio pinheader
- 1 serial port connector
- 1 TPM pinheader (optional)
- 1 Chassis Intrusion Connector
Slots
- 1 PCI Express x16 slot
- 3 PCI slots
- Support 3.3V/ 5V PCI bus Interface
Engli sh
Form Factor
- Micro-ATX (24cm X 24cm)
Mounting
- 6 mounting holes
En-3
MS-7527 Mainboard
Mouse/
Keyboard,
p.En-16
JCI1,
p.En-11
Serial Port,
p.En-16
PWR1,
p.En-14
Parallel Port,
p.En-16
VGA Port,
p.En-16
CPU,
p.En-5
1394,
p.En-16
USB ports,
p.En-17
CPUFAN1,
p.En-9
LAN,
p.En-17
DDR2,
p.En-7
RS-Out
L-In
L-Out
CS-Out
Mic
SS-Out
Audio Port,
p.En-17
ATX1,
p.En-14
IDE1,
p.En-9
PCIE,
p.En-15
PCI,
p.En-15
JCD1,
p.En-12
En-4
JAUD1,
p.En-12
JCOM1,
p.En-11
JSP1,
p.En-12
FDD1,
p.En-9
J1394_1,
p.En-10
JTPM1,
p.En-12
JUSB1~2,
p.En-11
JBAT1,
p.En-13
Quick Components Guide of G31M4 Series
(MS-7527 v1.X) Mainboard
SYSFAN2,
p.En-9
SYSFAN1,
p.En-9
SATA1~4,
p.En-10
JFP1, JFP2,
p.En-10
Central Processing Unit: CPU
The mainboard supports Intel® processor. The mainboard uses a CPU socket called
Socket 775 for easy CPU installation. If you do not have the CPU cooler, consult your
dealer before turning on the computer.
For the latest information about CPU, please visit http://global.msi.com.tw/index.php?
func=cpuform
Important
Overheating
Overheating will seriously damage the CPU and system. Always make sure the
cooling fan can work properly to protect the CPU from overheating. Make sure
that you apply an even layer of thermal paste (or thermal tape) between the CPU
and the heatsink to enhance heat dissipation.
Replaceing the CPU
While replacing the CPU, always turn off the ATX power supply or unplug the
power supply’s power cord from the grounded outlet first to ensure the safety of
CPU.
Overclocking
This mainboard is designed to support overclocking. However, please make
sure your components are able to tolerate such abnormal setting, while doing
overclocking. Any attempt to operate beyond product specifications is not
recommended. We do not guarantee the damages or risks caused by inad-
equate operation or beyond product specifications.
Engli sh
En-5
MS-7527 Mainboard
CPU & Cooler Installation Procedures for Socket 775
1. The CPU socket has a plastic cap on it to protect the contact from
damage. Before you have installed the CPU, always cover it to protect the socket pin.
2. Remove the cap from lever hinge side.
3. The pins of socket reveal.
4. Open the load lever.
5. Lift the load lever up and open the load plate.
6. After confirming the CPU direction for correct mating, put down the
CPU in the socket housing frame. Be sure to grasp on the edge of the
CPU base. Note that the alignment keys are matched.
7. Visually inspect if the CPU is seated well into the socket. If not, take
out the CPU with pure vertical motion and reinstall.
8. Cover the load plate onto the package.
9. Press down the load lever lightly onto the load plate, and then
secure the lever with the hook under retention tab.
10.Align the holes on the mainboard with the cooler. Push down the
cooler until its four clips get wedged into the holes of the mainboard.
11.Press the four hooks down to fasten the cooler. Then rotate the
locking switch (refer to the correct direction marked on it) to lock the
hooks.
12.Turn over the mainboard to confirm that the clip-ends are correctly
inserted.
alignment key
Important
1. Read the CPU status in BIOS.
2. Whenever CPU is not installed, always protect your CPU socket pin with the
plastic cap covered to avoid damaging.
3. Mainboard photos shown in this section are for demonstration of the CPU/
cooler installation only. The appearance of your mainboard may vary depending on the model you purchase.
En-6
Memory
1
2
3
Installed
These DIMM slots are used for installing memory modules.
For more information on compatible components, please visit http://global.msi.com.tw/
index.php?func=testreport
DDR2
240-pin, 1.8V
64x2=128 pin56x2=112 pin
Dual-Channel Memory Population Rules
In Dual-Channel mode, the memory modules can transmit and receive data with two
data bus lines simultaneously. Enabling Dual-Channel mode can enhance the
system performance. Please refer to the following illustrations for population rules
under Dual-Channel mode.
DIMM1
DIMM2
DIMM3
DIMM4
DIMM1
DIMM2
DIMM3
DIMM4
Engli sh
DIMM1
DIMM2
DIMM3
DIMM4
Empty
En-7
MS-7527 Mainboard
Installing Memory Modules
1. The memory module has only one notch on the center and will only fit in the right
orientation.
2. Insert the memory module vertically into the DIMM slot. Then push it in until the
golden finger on the memory module is deeply inserted in the DIMM slot. The plastic
clip at each side of the DIMM slot will automatically close when the memory module
is properly seated.
Important
You can barely see the golden finger if the memory module is properly inserted in
the DIMM slot.
3. Manually check if the memory module has been locked in place by the DIMM slot
clips at the sides.
Volt
Notch
Important
-DDR2 memory modules are not interchangeable with DDR and the DDR2
standard is not backwards compatible. You should always install DDR2
memory modules in the DDR2 DIMM slots.
-In Dual-Channel mode, make sure that you install memory modules of thesame type and density in different channel DIMM slots.
-To enable successful system boot-up, always insert the memory modules
into the DIMM1 first.
En-8
Connectors, Jumpers, Slots
Fan Power Connectors: CPUFAN1, SYSFAN1/2
The fan power connectors support system cooling fan with +12V. The CPU FAN supports
Smart FAN function. When connect the wire to the connectors, always take note that the
red wire is the positive and should be connected to the +12V, the black wire is Ground
and should be connected to GND. If the mainboard has a System Hardware Monitor
chipset on-board, you must use a specially designed fan with speed sensor to take
advantage of the fan control.
Engli sh
Control
SENSOR
+12V
GND
CPUFAN1
SENSOR or NC
+12V
GND
SYSFAN1/2
Important
1.Please refer to the recommended CPU fans at processor’s official website or
consult the vendors for proper CPU cooling fan.
2.CPUFAN supports fan control. You can install Dual Core Center utility that
will automatically control the CPU fan speed according to the actual CPU
temperature.
3. Fan cooler set with 3 or 4 pins power connector are both available for CPUFAN.
Floppy Disk Drive Connector: FDD1
This connector supports 360KB, 720KB, 1.2MB, 1.44MB or 2.88MB floppy disk drive.
IDE connector: IDE1
This connector supports IDE hard disk drives, optical disk drives and other IDE devices.
Important
If you install two IDE devices on the same cable, you must configure the drives
separately to Master/ Slave mode by setting jumpers. Refer to IDE device’s docu-
mentation supplied by the vendors for jumper setting instructions.
En-9
MS-7527 Mainboard
Serial ATA Connector: SATA1~4
This connector is a high-speed Serial ATA interface port. Each connector can connect to
one Serial ATA device.
SATA4
SATA2
SATA1
SATA3
Important
Please do not fold the Serial ATA cable into 90-degree angle. Otherwise, data
loss may occur during transmission.
Front Panel Connectors: JFP1, JFP2
These connectors are for electrical connection to the front panel switches and LEDs.
The JFP1 is compliant with Intel® Front Panel I/O Connectivity Design Guide.
9
Power
Switch++
Power
LED
10
-
+
Reset
-
2
JFP1
Switch
-
HDD
LED
1
Speaker
8
7
+
-
Power
+
2
JFP2
LED
1
-
IEEE1394 Connector (Green): J1394_1 (optional)
This connector allows you to connect the IEEE1394 device via an optional IEEE1394
bracket.
IEEE1394 Bracket
(Optional)
Ground
TPB-
TPA-
Cable power
2
1
Ground
10
9
TPA+
TPB+
Ground
Key (no pin)
Cable power
En-10
Front USB Connector (Yellow): JUSB1~2
This connector, compliant with Intel® I/O Connectivity Design Guide, is ideal for connecting high-speed USB interface peripherals such as USB HDD, digital cameras, MP3
players, printers, modems and the like.
USB 2.0 Bracket
(Optional)
2
1
VCC
VCC
USBOC
USB1-
USB1+
GND
10
9
GND
USB0-
USB0+
Key (no pin)
Important
Note that the pins of VCC and GND must be connected correctly to avoid possible
damage.
Chassis Intrusion Connector: JCI1
This connector connects to the chassis intrusion switch cable. If the chassis is opened,
the chassis intrusion mechanism will be activated. The system will record this status and
show a warning message on the screen. To clear the warning, you must enter the BIOS
utility and clear the record.
English
GND2
1
CINTRU
Serial Port Connector: JCOM1
This connector is a 16550A high speed communication port that sends/receives 16
bytes FIFOs. You can attach a serial device.
SIN
CTS
DSR
2
1
DCD
10
9
RI
RTS
SOUTDTR
Ground
En-11
MS-7527 Mainboard
CD-In Connector: JCD1
This connector is provided for external audio input.
GND R
L
TPM module Connector: JTPM1(optional)
This connector connects to a TPM (Trusted Platform Module) module (optional). Please
refer to the TPM security platform manual for more details and usages.
3V dua l / 3V _ST B
VC C3
SIR Q
VC C5
Ke y(n o pin )
GN D
GN D
2
1
14
13
LCLK
LAD0
LAD1
LAD2
LAD3
LR ST#
LF RA ME #
S/PDIF-Out Connector: JSP1
This connector is used to connect S/PDIF (Sony & Philips Digital Interconnect Format)
interface for digital audio transmission.
VCC
GND
SPDIF
SPDIF Bracket (Optional)
Front Panel Audio Connector (Azalia Spec): JAUD1
This connector allows you to connect the front panel audio and is compliant with Intel
Front Panel I/O Connectivity Design Guide.
M IC_ J D
NC (N o pi n)
Gr oun d
Pr esen ce#
2
1
MI C _ L
LI NE ou t_ JD
10
9
M IC _R
Fr on t_J D
LIN E ou t_L
LI NE ou t_ R
En-12
®
Clear CMOS Jumper: JBAT1
There is a CMOS RAM onboard that has a power supply from an external battery to keep
the data of system configuration. With the CMOS RAM, the system can automatically
boot OS every time it is turned on. If you want to clear the system configuration, set the
jumper to clear data.
English
3
1
1
Keep Data
3
1
Clear Data
Important
You can clear CMOS by shorting 2-3 pin while the system is off. Then return to 12 pin position. Avoid clearing the CMOS while the system is on; it will damage
the mainboard.
En-13
MS-7527 Mainboard
Power Supply Attachment: ATX1
Before inserting the power supply connector, always make sure that all components are
installed properly to ensure that no damage will be caused. All power connectors on
the mainbnoard have to connect to the ATX power supply and have to work together to
ensure stable operation of the mainboard.
ATX 24-Pin Power Connector: ATX1
This connector allows you to connect an ATX 24-pin power supply. To connect the ATX
24-pin power supply, make sure the plug of the power supply is inserted in the proper
orientation and the pins are aligned. Then push down the power supply firmly into the
connector.
You may use the 20-pin ATX power supply as you like. If you’d like to use the 20-pin ATX
power supply, please plug your power supply along with pin 1 & pin 13.
1224
+3.3V
+12V
+12V
5VSB
PWR OK
GND
+5V
GND
+5V
GND
+3.3V
+3.3V
GND
+5V
+5V
+5V
NC
GND
GND
GND
PS-ON#
GND
-12V
+3.3V
1
13
ATX 12V Power Connector (2x2-Pin): PWR1
This 12V power connector is used to provide power to the CPU.
4 2
GND12V
12V
GND
1
3
En-14
PCI Express Slot (x16/ x1)
The PCI Express slot supports the PCI Express interface expansion card.
PCI Express x16 Slot
PCI Express x 1 Slot
PCI (Peripheral Component Interconnect) Slot
The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that
comply with PCI specifications.
Important
English
When adding or removing expansion cards, make sure that you unplug the power
supply first. Meanwhile, read the documentation for the expansion card to configure
any necessary hardware or software settings for the expansion card, such as
jumpers, switches or BIOS configuration.
En-15
MS-7527 Mainboard
Back Panel
Mouse/Keyboard
The standard PS/2® mouse/keyboard DIN connector is for a PS/2® mouse/keyboard.
PS/2 Mouse connector (Green/ 6-pin female)
PS/2 Keyboard connector (Purple/ 6-pin female)
Parallel Port
A parallel port is a standard printer port that supports Enhanced Parallel Port (EPP) and
Extended Capabilities Parallel Port (ECP) mode.
131
(25-pin female connector)
1425
Serial Port
The serial port is a 16550A high speed communications port that sends/ receives 16
bytes FIFOs. You can attach a serial mouse or other serial devices directly to the
connector.
1 5
(9-Pin Male Connector)
6 9
VGA Port
The DB15-pin female connector is provided for monitor.
15
(15-Pin Female DIN Connector)
1115
1394 Port
The IEEE1394 port on the back panel provides connection to IEEE1394 devices.
En-16
LAN
The standard RJ-45 LAN jack is for connection to the Local Area Network (LAN). You can
connect a network cable to it.
LED ColorLED StateCondition
OffLAN link is not established.
Left OrangeOn (steady state)LAN link is established.
On (brighter & pulsing)The computer is communicating with another computer on the LAN.
GreenOff10 Mbit/sec data rate is selected.
RightOn100 Mbit/sec data rate is selected.
OrangeOn1000 Mbit/sec data rate is selected.
USB Port
The USB (Universal Serial Bus) port is for attaching USB devices such as keyboard,
mouse, or other USB-compatible devices.
Audio Port Connectors
These audio connectors are used for audio devices. You can differentiate the color of
the audio jacks for different audio sound effects.
English
Line-In (Blue) - Line In, is used for external CD player, tape player or other audio
devices.
Line-Out (Green) - Line Out, is a connector for speakers or headphones.
MIC (Pink) - Mic In, is a connector for microphones.
RS-Out (Black) - Rear-Surround Out in 4/ 5.1/ 7.1 channel mode.
CS-Out (Orange) - Center/ Subwoofer Out in 5.1/ 7.1 channel mode.
SS-Out (Gray) - Side-Surround Out 7.1 channel mode.
En-17
MS-7527 Mainboard
BIOS Setup
This chapter provides basic information on the BIOS Setup program and allows you to
configure the system for optimum use. You may need to run the Setup program when:
* An error message appears on the screen during the system booting up, and requests
you to run BIOS SETUP.
* You want to change the default settings for customized features.
Important
1.The items under each BIOS category described in this chapter are under continuous update for better system performance. Therefore, the description may
be slightly different from the latest BIOS and should be held for reference only.
2.Upon boot-up, the 1st line appearing after the memory count is the BIOS
version. It is usually in the format:
A7527IMS V1.0 010108 where:
1st digit refers to BIOS maker as A = AMI, W = AWARD, and P = PHOENIX.
2nd - 5th digit refers to the model number.
6th refers to the Chipset vender as A = ATi, I = Intel, V = VIA, N = Nvidia, U = ULi.
7th - 8th digit refers to the customer as MS = all standard customers.
V1.0 refers to the BIOS version.
010108 refers to the date this BIOS was released.
En-18
Entering Setup
Power on the computer and the system will start POST (Power On Self Test) process.
When the message below appears on the screen, press <DEL> key to enter Setup.
Press DEL to enter SETUP
If the message disappears before you respond and you still wish to enter Setup, restart
the system by turning it OFF and On or pressing the RESET button. You may also restart
the system by simultaneously pressing <Ctrl>, <Alt>, and <Delete> keys.
Getting Help
After entering the Setup menu, the first menu you will see is theMain Menu.
Main Menu
The main menu lists the setup functions you can make changes to. You can use the
arrow keys (↑↓ ) to select the item. The on-line description of the highlighted setup
function is displayed at the bottom of the screen.
Sub-Menu
If you find a right pointer symbol (as shown in the right view)
appears to the left of certain fields that means a sub-menu
containing additional options can be launched from this
field. You can use control keys (↑↓ ) to highlight the field
and press <Enter> to call up the sub-menu. Then you can
use the control keys to enter values and move from field to field within a sub-menu. If
you want to return to the main menu, just press <Esc >.
General Help <F1>
The BIOS setup program provides a General Help screen. You can call up this screen
from any menu by simply pressing <F1>. The Help screen lists the appropriate keys to
use and the possible selections for the highlighted item. Press <Esc> to exit the Help
screen.
English
En-19
MS-7527 Mainboard
The Main Menu
Once you enter AMI® or AWARD® BIOS CMOS Setup Utility, the Main Menu will appear
on the screen. The Main Menu allows you to select from ten setup functions and two exit
choices. Use arrow keys to select among the items and press <Enter> to accept or enter
the sub-menu.
Standard CMOS Features
Use this menu for basic system configurations, such as time, date etc.
Advanced BIOS Features
Use this menu to setup the items of special enhanced features.
Integrated Peripherals
Use this menu to specify your settings for integrated peripherals.
Power Management Features
Use this menu to specify your settings for power management.
H/W Monitor
This entry shows your PC health status.
BIOS Setting Password
Use this menu to set the password for BIOS.
Cell Menu
Use this menu to specify your settings for fequency/voltage control and overclocking.
Load Fail-Safe Defaults
Use this menu to load the default values set by the BIOS vendor for stable system
performance.
Load Optimized Defaults
Use this menu to load the default values set by the mainboard manufacturer specifically
for optimal performance of themainboard.
BIOS Setting Password
Use this menu to set the Password.
Save & Exit Setup
Save changes to CMOS and exit setup.
Exit Without Saving
Abandon all changes and exit setup.
En-20
When enter the BIOS Setup utility, follow the processes below for general use.
1. Load Optimized Defaults : Use control keys (↑↓ ) to highlight the Load Optimized
Defaults field and press <Enter> , a message as below appears:
Press [Ok] to load the default settings for optimal system performance.
2. Setup Date/ Time : Select the Standard CMOS Features and press <Enter> to enter
the Standard CMOS Features-menu. Adjust the Date, Time fields.
3. Save & Exit Setup : Use control keys (↑↓ ) to highlight the Save & Exit Setup field
and press <Enter> , a message as below appears:
English
Press [Ok] to save the configurations and exit BIOS Setup utility.
Important
The configuration above are for general use only. If you need the detailed
settings of BIOS, please see the manual in English version on MSI website.
En-21
MS-7527 Mainboard
4. Cell Menu Introduction : This menu is for advanced user who want to overclock the
mainboard.
Important
Change these settings only if you are familiar with the chipset.
Current CPU / DRAM Frequency
These items show the current clocks of CPU and Memory speed. Read-only.
Intel EIST
The Enhanced Intel SpeedStep technology allows you to set the performance level
of the microprocessor whether the computer is running on battery or AC power. This
field will appear after you installed the CPU which support speedstep technology.
Adjust CPU FSB Frequency (MHz)
This item allows you to set the CPU FSB frequency (in MHz).
Adjusted CPU Frequency (MHz)
It shows the adjusted CPU frequency (FSB x Ratio). Read-only.
Advance DRAM Configuration
Press <Enter> to enter the sub-menu.
DRAM Timing Mode
Setting to [Enabled] enables DRAM CAS# Latency automatically to be
determined by BIOS based on the configurations on the SPD (Serial Presence
Detect) EEPROM on the DRAM module.
En-22
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