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GA-MA74GM-S2 (rev.4.1)
Инструкция по эксплуатации Страница: 21

Gigabyte GA-MA74GM-S2 (rev.4.1) [21/100] 7 internal connectors

Gigabyte GA-MA74GM-S2 (rev.3.0) [21/100] 7 internal connectors

- 21 - Hardware Installation

1-7 Internal Connectors

Read the following guidelines before connecting external devices:

• First make sure your devices are compliant with the connectors you wish to connect.

• Before installing the devices, be sure to turn off the devices and your computer. Unplug the

power cord from the power outlet to prevent damage to the devices.

• After installing the device and before turning on the computer, make sure the device cable has

been securely attached to the connector on the motherboard.

1) ATX_12V

2) ATX

3) CPU_FAN

4) SYS_FAN

5) FDD

6) IDE

7) SATA2_0/1/2/3

8) F_PANEL

9) F_AUDIO

10) CD_IN

11) SPDIF_IO

12) F_USB1/F_USB2

13) COM

14) CLR_CMOS

15) BAT

1 3

4 14 13 12 8

11 15

Содержание

Ga ma74gm s2h ga ma74gm s2 1
User s manual 1
Copyright 3
Disclaimer 3
Documentation classifications 3
Identifying your motherboard revision 3
Box contents optional items ga ma74gm s2h ga ma74gm s2 motherboard layout ga ma74gm s2h ga ma74gm s2 motherboard block diagram 4
Chapter 1 hardware installation 4
Chapter 2 bios setup 1 4
Table of contents 4
Chapter 3 drivers installation 5 5
Chapter 4 unique features 9 5
Chapter 5 appendix 1 5
Box contents 6
Optional items 6
Ga ma74gm s2h ga ma74gm s2 7
Ga ma74gm s2h ga ma74gm s2 motherboard layout 7
J only for ga ma74gm s2h 7
Block diagram 8
Ga ma74gm s2h ga ma74gm s2 motherboard 8
Ga ma74gm s2h ga ma74gm s2 motherboard block diagram 8
1 installation precautions 9
Chapter 1 hardware installation 9
2 product specifications 10
3 1 installing the cpu 13
3 installing the cpu and cpu cooler 13
3 2 installing the cpu cooler 15
4 1 dual channel memory configuration 16
4 installing the memory 16
4 2 installing a memory 17
5 installing an expansion card 18
6 back panel connectors 19
D sub port 19
Dvi d por 19
Hdmi por 19
Ps 2 keyboard mouse port 19
Usb 2 1 port 19
A dual display configurations 20
B playback of hd dvd and blu ray discs 20
Line in jack blue 20
Line out jack front speaker out green 20
Mic in jack pink 20
Rj 45 lan port 20
7 internal connectors 21
2 atx_12v atx 2x2 12v power connector and 2x12 main power connector 22
Hardware installation 22 22
High power consumption be used 500w or greater if a power supply is used that does not provide the required power the result can lead to an unstable or unbootable system 22
To meet expansion requirements it is recommended that a power supply that can withstand 22
With the use of the power connector the power supply can supply enough stable power to all the componentsonthemotherboard beforeconnectingthepowerconnector firstmakesurethepower supply is turned off and all devices are properly installed the power connector possesses a foolproof design connect the power supply cable to the power connector in the correct orientation the 12v power connector mainly supplies power to the cpu if the 12v power connector is not connected the computer will not start 22
4 cpu_fan sys_fan fan headers 23
Fdd floppy disk drive connector 23
Ide ide connector 24
Sata2_0 1 2 3 sata 3gb s connectors 24
F_panel front panel header 25
Audio signals will be present on both of the front and back panel audio connections simultane 26
Cd_in cd in connector 26
F_audio front panel audio header 26
Front panel audio module refer to the instructions on how to activate ac 97 functionality via theaudiosoftwareinchapter5 configuring2 4 5 7 channelaudio 26
Hardware installation 26 26
Instead of a single plug for information about connecting the front panel audio module that has different wire assignments please contact the chassis manufacturer 26
Ously if you want to mute the back panel audio only supported when using an hd front panel audiomodule refertochapter5 configuring2 4 5 7 channelaudio 26
Some chassis provide a front panel audio module that has separated connectors on each wire 26
The front panel audio header supports hd audio by default if your chassis provides an ac 97 26
Thefrontpanelaudioheadersupportsintelhighdefinitionaudio hd andac 97audio youmayconnect your chassis front panel audio module to this header make sure the wire assignments of the module con nector match the pin assignments of the motherboard header incorrect connection between the module connector and the motherboard header will make the device unable to work or even damage it 26
You may connect the audio cable that came with your optical drive to the header 26
27 hardware installation 27
Cord from the power outlet to prevent damage to the usb bracket 27
Do not plug the ieee 1394 bracket 2x5 pin cable into the usb header prior to installing the usb bracket be sure to turn off your computer and unplug the power 27
F_usb1 f_usb2 usb headers 27
Spdif_io s pdif in out header 27
Theheadersconformtousb2 1 specification eachusbheadercanprovidetwousbportsviaan optional usb bracket for purchasing the optional usb bracket please contact the local dealer 27
This header supports digital s pdif in out via an optional s pdif in and out cable this header can connect to an audio device that supports digital audio out and an audio system that supports digital au dio in for purchasing the optional s pdif in and out cable please contact the local dealer 27
After clearing the cmos values and before turning on your computer be sure to remove the 28
After system restart go to bios setup to load factory defaults select load optimized de 28
Always turn off your computer and unplug the power cord from the power outlet before clear 28
Clr_cmos clearing cmos jumper 28
Com serial port header 28
Faults ormanuallyconfigurethebiossettings refertochapter2 biossetup for bios configurations 28
Hardware installation 28 28
Ing the cmos values 28
Jumper cap from the jumper failure to do so may cause damage to the motherboard 28
The com header can provide one serial port via an optional com port cable for purchasing the op tional com port cable please contact the local dealer 28
Usethisjumpertoclearthecmosvalues e g dateinformationandbiosconfigurations andreset the cmos values to factory defaults to clear the cmos values place a jumper cap on the two pins to temporarily short the two pins or use a metal object like a screwdriver to touch the two pins for a few seconds 28
Bat battery 29
Chapter 2 bios setup 31
1 startup screen 32
2 the main menu 33
Bios setup program function keys 33
Sample bios version ga ma74gm s2 fhb 33
Advanced bios features 34
Exit without saving 34
Integrated peripherals 34
Keys for the main menu only 34
Load fail safe defaults 34
Load optimized defaults 34
Mb intelligent tweaker m i t 34
Pc health status 34
Pnp pci configurations 34
Power management setup 34
Save exit setup 34
Set supervisor password 34
Set user password 34
Standard cmos features 34
3 mb intelligent tweaker m i t 35
35 bios setup 35
Advanced clock calibratio 35
Dentonyouroverallsystemconfigurations incorrectlydoingoverclock overvoltagemayresultin damage to cpu chipset or memory and reduce the useful life of these components this page is for advanced users only and we recommend you not to alter the default settings to prevent system instability or other unexpected results inadequately altering the settings may result in system s failure to boot if this occurs clear the cmos values and reset the board to default values 35
Note this item appears only if you install a cpu that supports this feature 35
System voltage control item to auto to optimize the system voltage settings 35
When the system voltage optimized item blinks in red it is recommended that you set the 35
Whether the system will work stably with the overclock overvoltage settings you made is depen 35
Advanced clock calibration 36
Cpu clock ratio 36
Cpu core 1 2 3 4 36
Cpu core control 36
Cpu northbridge freq 36
Ec firmware selection 36
Ht link frequency 36
Value all cores 36
Value core 0 value core 1 value core 2 value core 3 36
Cpu frequency mhz 37
Cpu host clock control 37
Memory clock 37
Pcie clock mhz 37
Set memory clock 37
Vga core clock mhz 37
Allows you to set memory control mode 38
Bios setup 38 38
Cas latency 38
Dcts mod 38
Ddrii timing items 38
Dram configuration 38
Ganged ganged sets memory control mode to single dual channel 38
Manual allowsallddr2timingitemsbelowtobeconfigurable 38
Minimum ras active time 38
Note this item appears only if you install a cpu that supports this feature 38
Options are auto default 1t 2t 38
Options are auto default 1t 3t 38
Options are auto default 3t 6t 38
Options are auto default 3t 7t 38
Options are auto default 5t 18t 38
Options are auto default 75ns 105ns 127 ns 195ns 327 ns 38
Options are auto default manual options are auto default manual 38
Ras to cas r w delay 38
Row precharge time 38
T 2t command timing 38
Trfc0 for dimm1 38
Trfc2 for dimm2 38
Twtr command delay 38
Unganged unganged sets memory control mode to two single channel default 38
Cke power down mode 39
Cpu nb vid contro 39
Cpu voltage control 39
Ddr2 voltage control 39
Normal cpu vcore 39
Northbridge volt control 39
Precharge time 39
Ras to ras delay 39
Row cycle time 39
Southbridge volt control 39
System voltage control 39
Write recovery time 39
4 standard cmos features 40
Access mode access mode sets the hard drive access mode options are auto default chs lba large 40
Access mode access mode sets the hard drive access mode options are auto default large 40
Auto lets the bios automatically detect ide sata devices during the post default 40
Bios setup 40 40
Configureyouride satadevicesbyusingoneofthetwomethodsbelow configureyouride satadevicesbyusingoneofthetwomethodsbelow 40
Date mm dd yy 40
Extended ide drive extended ide drive 40
Ide auto detection 40
Ide channel 0 master slave 40
Ide channel 0 master slave ide channel 0 master slave 40
Ide channel 2 3 master slave 40
Ide hdd auto detection 40
None if no ide sata devices are used set this item to none so the system will skip 40
Setsthesystemdate thedateformatisweek read only month dateandyear selectthedesiredfield and use the up arrow or down arrow key to set the date 40
Setsthesystemtime forexample 1p m is13 0 0 selectthedesiredfieldandusetheuparrowor down arrow key to set the time 40
The detection of the device during the post for faster system startup the detection of the device during the post for faster system startup 40
Time hh mm ss 40
To autodetect the parameters of the ide sata device on this channel 40
Drive a 41
Floppy 3 mode support 41
Halt on 41
Memory 41
5 advanced bios features 42
Amd k8 cool quiet control 42
Auto lets the amd cool n quiet driver dynamically adjust the cpu clock and vid to 42
Bios setup 42 42
Default disabled default disabled 42
Disabled disabled disables this function 42
First second third boot device 42
Hard disk boot priority 42
J only for ga ma74gm s2h 42
Note this item appears only if you install a cpu that supports this feature 42
Password check 42
Program program 42
Reduce heat output from your computer and its power consumption default reduce heat output from your computer and its power consumption default 42
Setup setup a password is only required for entering the bios setup program default 42
Specifieswhetherapasswordisrequiredeverytimethesystemboots oronlywhenyouenterbios setup afterconfiguringthisitem setthepassword s underthe set supervisor user password item in the bios main menu 42
System system a password is required for booting the system and for entering the bios setup 42
To accept options are floppy ls120 hard disk cdrom zip usb fdd usb zip usb cdrom usb hdd legacy lan disabled 42
Toexitthismenuwhenfinished 42
Virtualization 42
Virtualization allows a platform to run multiple operating systems and applications in independent parti tions with virtualization one computer system can function as multiple virtual systems 42
Away mode 43
Backup bios image to hdd 43
Current buffer size 43
Frame buffer size 43
Graphics display mode j 43
Hdd s m a r t capability 43
Init display first 43
Internal graphics mode 43
Surround view 43
6 integrated peripherals 44
Ahci ahci configuresthesatacontrollerstoahcimode advancedhostcontrollerinterface 44
Ahci isaninterfacespecificationthatallowsthestoragedrivertoenableadvanced ahci isaninterfacespecificationthatallowsthestoragedrivertoenableadvanced 44
Allows you to decide whether to activate the boot rom integrated with the onboard lan chip 44
Bios setup 44 44
Configurestheoperatingmodeoftheintegratedsata2_0 sata2_3controller 44
Default disabled default disabled 44
Enable native ide mode if you wish to install operating systems that support native enable native ide mode if you wish to install operating systems that support native 44
Enables or disables the integrated sata controller default enabled 44
Enables or disables the onboard lan function default enabled 44
If you wish to install a 3rd party add in network card instead of using the onboard lan set this item to if you wish to install a 3rd party add in network card instead of using the onboard lan set this item to disabled 44
Mode mode 44
Native ide native ide allows the sata controller to operate in native ide mode default 44
Onboard lan boot rom 44
Onboard lan function 44
Onchip sata controller 44
Onchip sata type sata2_0 sata2_3 connectors 44
Raid raid enables raid for the sata controller 44
Serial ata features such as native command queuing and hot plug serial ata features such as native command queuing and hot plug 44
Smart lan lan cable diagnostic function 45
Onboard audio function 46
Onboard serial port 1 46
Usb controllers 46
Usb legacy function 46
Usb storage function 46
47 bios setup 47
7 power management setup 47
Acpi suspend type 47
Allows the system to be awakened from acpi s3 sleep state by a wake up signal from the installed usb device default enabled 47
Allows the system to be awakened from an acpi sleep state by a wake up signal from a modem that supports wake up function default disabled 47
Button is pressed for less than 4 seconds the system will enter suspend mode button is pressed for less than 4 seconds the system will enter suspend mode 47
Configuresthewaytoturnoffthecomputerinms dosmodeusingthepowerbutton 47
Delay 4 sec delay 4 sec press and hold the power button for 4 seconds to turn off the system if the power 47
In s1 sleep state the system appears suspended and stays in a low power mode in s1 sleep state the system appears suspended and stays in a low power mode 47
In s3 sleep state the system appears to be off and consumes less power than in in s3 sleep state the system appears to be off and consumes less power than in 47
Instant off instant off press the power button and then the system will be turned off instantly default 47
Its working state exactly where it was left off its working state exactly where it was left off 47
Modem ring resume 47
Note supported on windows 7 vista operating system only 47
S1 pos s1 pos enables the system to enter the acpi s1 power on suspend sleep state 47
S3 str s3 str enables the system to enter the acpi s3 suspend to ram sleep state default 47
Soft off by power button 47
Specifiestheacpisleepstatewhenthesystementerssuspend 47
The s1 state when signaled by a wake up device or event the system resumes to the s1 state when signaled by a wake up device or event the system resumes to 47
The system can be resumed at any time the system can be resumed at any time 47
Usb wake up from s3 47
Ac back function 48
Erp support 48
Hpet suppor 48
Kb power on password 48
Pme event wake up 48
Power on by alarm 48
Power on by keyboard 48
Power on by mouse 48
4 5 7 9 10 11 12 14 15 3 4 5 7 9 10 11 12 14 15 assigns irq 3 4 5 7 9 10 11 12 14 15 to the second pci slot 49
4 5 7 9 10 11 12 14 15 3 4 5 7 9 10 11 12 14 15 assignsirq3 4 5 7 9 10 11 12 14 15tothefirstpcislot 49
49 bios setup 49
8 pnp pci configurations 49
Auto bios auto assigns irq to the second pci slot default 49
Auto biosauto assignsirqtothefirstpcislot default 49
Pci1 irq assignment 49
Pci2 irq assignment 49
9 pc health status 50
Allows the system to emit warning sound if the cpu system fan is not connected or fails check the fan condition or fan connection when this occurs default disabled 50
Bios setup 50 50
Case opened 50
Cpu smart fan control 50
Cpu system fan fail warning 50
Cpu warning temperature 50
Current cpu system fan speed rpm 50
Current system cpu temperature 50
Current voltage v vcore ddr2 1 v 3 v 12v 50
Displays current cpu system fan speed 50
Displays current system cpu temperature 50
Displays the current system voltages 50
Displays the detection status of the chassis intrusion detection device attached to the motherboard ci header ifthesystemchassiscoverisremoved thisfieldwillshow yes otherwiseitwillshow no to clear the chassis intrusion status record set reset case open status to enabled save the settings to the cmos and then restart your system 50
Enables or disables the cpu fan speed control function enabled allows the cpu fan to run at different speed according to the cpu temperature you can adjust the fan speed with easytune based on system requirements if disabled the cpu fan runs at full speed default enabled 50
Keeps or clears the record of previous chassis intrusion status enabled clears the record of previous chassis intrusion status and the case opened fieldwillshow no atnextboot default disabled 50
Reset case open status 50
Sets the warning threshold for cpu temperature when cpu temperature exceeds the threshold bios will emit warning sound options are disabled default 6 50
Cpu smart fan mode 51
System smart fan control 51
10 load fail safe defaults 52
11 load optimized defaults 52
Bios setup 52 52
Key to load the optimal bios default settings the bios defaults settings help the system to operate in optimum state always load the optimized defaults after updating the bios or after clearing the cmos values 52
Key to load the safest bios default settings in case system instability occurs you may try to load fail safe defaults which are the safest and most stable bios settings for the motherboard 52
12 set supervisor user password 53
53 bios setup 53
Again the message password disabled will appear indicating the password has been can celled 53
Supervisor password 53
The bios setup program allows you to specify two separate passwords 53
User password 53
When a system password is set and the when a system password is set and the password check item in advanced bios features is set to setup you must enter the supervisor password for entering bios setup and making bios changes 53
When the when the password check item is set to system you must enter the supervisor password or user password at system startup and when entering bios setup 53
When the when the password check item is set to system you must enter the supervisor password or user password at system startup to continue system boot in bios setup you must enter the supervisor password if you wish to make changes to bios settings the user password only allows you to view the bios settings but not to make changes 53
13 save exit setup 54
14 exit without saving 54
Bios setup 54 54
To return to the bios setup main menu 54
1 installing chipset drivers 55
Chapter 3 drivers installation 55
2 application software 56
3 technical manuals 56
4 contact 57
5 system 57
6 download center 58
7 new utilities 58
1 xpress recovery2 59
Before you begin 59
Chapter 4 unique features 59
Installation and configuration 59
System requirements 59
2 1 updating the bios with the q flash utility 62
2 bios update utilities 62
A before you begin 62
63 unique features 63
B updating the bios 63
Do not turn off or restart the system when the system is reading updating the bios do not remove the floppy disk usb flash drive or hard drive when the system is updat 63
Ing the bios 63
Key during the post to access q flash 63
Make sure the bios update file matches your motherboard model 63
Step 3 when the update process is complete press any key to return to the main menu 63
The save main bios to drive optionallowsyoutosavethecurrentbiosfile q flashonlysupportsusbflashdriveorharddrivesusingfat32 16 12filesystem ifthebiosupdatefileissavedtoaharddriveinraid ahcimodeoraharddriveattachedto 63
To begin the bios update the monitor will display the update process 63
Whenupdatingthebios choosethelocationwherethebiosfileissaved thefollowingprocedureas sumesthatyousavethebiosfiletoafloppydisk 63
To exit q flash and reboot the system as the system boots you should see the new bios version is present on the post screen 64
To load bios defaults 64
To load bios defaults system will re detect all peripheral devices after a bios update so we recommend that you reload bios defaults 64
To save settings to cmos and exit bios setup the proce dure is complete after the system restarts 64
Unique features 64 64
2 2 updating the bios with the bios utility 65
A before you begin 65
B using bios 65
C after updating the bios 65
3 easytune 6 66
Gigabyte seasytune6isasimpleandeasy to useinterfacethatallowsuserstofine tunetheirsystem settings or do overclock overvoltage in windows environment the user friendly easytune 6 interface also includes tabbed pages for cpu and memory information letting users read their system related information without the need to install additional software 66
Tab function 66
Tabs information 66
The easytune 6 interface 66
The the cpu tab provides information on the installed cpu and motherboard 66
Unique features 66 66
4 q share 67
Directions for using q share 67
Options descriptions 67
5 smart recovery 68
6 auto green 69
69 unique features 69
Auto green is an easy to use tool that provides users with simple options to enable system power savings via a bluetooth cell phone when the phone is out of the range of the computer s bluetooth receiver the sys temwillenterthespecifiedpowersavingmode 69
Configuring other bluetooth settings 69
Configuring the bluetooth cell phone key 69
Selecting a system energy saving mode 69
The configuration dialog box 69
1 1 configuring the onboard sata controller 71
1 configuring sata hard drive s 71
A installing sata hard drive s in your computer 71
Before you begin 71
Chapter 5 appendix 71
To configure sata hard drive s follow the steps below 71
Appendix 72 72
B configuring sata controller mode in bios setup 72
Figure 1 72
Makesuretoconfigurethesatacontrollermodecorrectlyinsystembiossetup 72
Step 2 save changes and exit bios setup 72
The bios setup menus described in this section may differ from the exact settings for your moth erboard the actual bios setup menu options you will see shall depend on the motherboard you have and the bios version 72
To enter bios setup during the post power on self test un der integrated peripherals make sure onchip sata controller is enabled to enable raid set onchip sata type to raid 72
C configuring raid set in raid bios 73
Appendix 74 74
Figure 4 74
Figure 5 74
To enter the define ld menu window figure 4 the define ld selection from the main menu allowsuserstobegintheprocessofmanuallydefiningthedriveelementsandraid levels for one or multiple disk arrays 74
To enter the raid configurationmenu figure5 74
75 appendix 75
After the creation is complete the screen will return to define ld menu where you will see the newly 75
Again if you want to exit the raid bios utility 75
Created array 75
Disk array the total drv section will show the number of disks assigned 75
Figure 6 75
Figure 7 75
Figure 8 75
Keys to save the information the window below will appear 75
Mum capacity 75
To change the assignment option to y this action adds the drive to the 75
To clear the mbr or press other keys to ignore this option then the window below 75
To set the capacity of the raid array or press other keys to set the array to its maxi 75
View drive assignments the view drive assignments option in the main menu displays whether the attached hard drives are as signed to a disk array or are unassigned under the assignment column drives are labeled with their as signed disk array or shown as free if unassigned 75
Will appear 75
Appendix 76 76
Delete an array the delete array menu option allows for deletion of disk array assignments 76
Deleting an existing disk array could result in loss of data record all array information including the array type the disk members and stripe block size in case you wish to undo a deletion 76
Figure 9 76
If you are sure to delete the array or other keys to abort 76
In the main menu to enter the delete ld menu then highlight the array you 76
The view ld definition menu will appear as shown in figure 9 showing which drives are assigned to 76
To return to main menu 76
1 2 making a sata raid ahci driver diskette 77
77 appendix 77
Copy d bootdrv sbxxx x86 77
Figure 1 77
For the sata driver directories for different windows operating systems for the sata driver directories for different windows operating systems 77
In ms dos mode prepareastartupdiskthathascd romsupportandablankformattedfloppydisk steps 1 boot from the startup disk 2 remove the startup diskandinsertthepreparedfloppydiskandthemotherboarddriverdisk hereweas 77
Note type the driver directory based on the operating system to be installed refer to the following table 77
Required for ahci and raid mode 77
Sume that the drive letter for your optical drive is d 77
To successfully install operating systemontosataharddrive s thatis areconfiguredtoraid ahcimode you need to install the sata controller driver during the os installation without the driver the hard drive may not be recognized during the windows setup process first of all copy the driver for the sata controller from themotherboarddriverdisktoafloppydisk forinstallingwindowsvista youalsocancopythesatacon trollerdriverfromthemotherboarddriverdisktoausbflashdrive seetheinstructionsbelowabouthowto copy the driver in ms dos and windows mode 77
1 3 installing the sata raid ahci driver and operating system 79
A installing windows xp 79
B installing windows vista 80
2 1 configuring 2 4 5 7 channel audio 83
2 configuring audio input and output 83
A configuring speakers 83
B configuring sound effect 84
C activating an ac 97 front panel audio module 85
D muting the back panel audio for hd audio only 85
2 2 configuring s pdif in out 86
A installing the s pdif in and out cable 86
B configuring s pdif in 86
C configuring s pdif out 87
2 3 configuring microphone recording 88
Enabling stereo mix 89
2 4 using the sound recorder 90
A recording sound 90
B playing the recorded sound 90
3 1 frequently asked questions 91
3 troubleshooting 91
91 appendix 91
To read more faqs for your motherboard please go to the support downloads motherboard faq page on gigabyte s website 91
3 2 troubleshooting procedure 92
Appendix 92 92
If you encounter any troubles during system startup follow the troubleshooting procedure below to solve the problem 92
93 appendix 93
If the procedure above is unable to solve your problem contact the place of purchase or local dealer for help or go to the support downloads technical service zone page to submit your question our customer service staff will reply you as soon as possible 93
4 regulatory statements 94
Our commitment to preserving the environment 94
Regulatory notices 94
Restriction of hazardous substances rohs directive statement 94
Waste electrical electronic equipment weee directive statement 94
Weee symbol statement 94
China restriction of hazardous substances table 95
99 appendix 99
Contact us 99
Appendix 100 100
Gigabyte global service system 100
To submit a technical or non technical sales market ing question please link to http ggts gigabyte com tw then select your language to enter the system 100

Gigabyte GA-MA74GM-S2 (rev.4.1) [21/100] 7 internal connectors

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