Gigabyte GA-A320M-H Owner's manual

Gigabyte
Brand
Gigabyte
Model
GA-A320M-H
Type
Owner's manual
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GA-A320M-H
User's Manual
Rev. 1201
Copyright
© 2021 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved.
The trademarks mentioned in this manual are legally registered to their respective owners.
Disclaimer
Information in this manual is protected by copyright laws and is the property of GIGABYTE.
Changes to the specications and features in this manual may be made by GIGABYTE without
prior notice. No part of this manual may be reproduced, copied, translated, transmitted, or
published in any form or by any means without GIGABYTE's prior written permission.
In order to assist in the use of this product, carefully read the User's Manual.
For product-related information, check on our website at: https://www.gigabyte.com
Identifying Your Motherboard Revision
The revision number on your motherboard looks like this: "REV: X.X." For example, "REV: 1.0"
means the revision of the motherboard is 1.0. Check your motherboard revision before updating
motherboard BIOS, drivers, or when looking for technical information.
Example:
- 3 -
Table of Contents
GA-A320M-H Motherboard Layout .................................................................................. 4
Chapter 1 Hardware Installation .....................................................................................5
1-1 Installation Precautions .................................................................................... 5
1-2 ProductSpecications ...................................................................................... 6
1-3 Installing the CPU ............................................................................................ 9
1-4 Installing the Memory ....................................................................................... 9
1-5 Installing an Expansion Card ......................................................................... 10
1-6 Back Panel Connectors .................................................................................. 10
1-7 Internal Connectors ........................................................................................ 12
Chapter 2 BIOS Setup ..................................................................................................20
2-1 Startup Screen ............................................................................................... 20
2-2 M.I.T. .............................................................................................................. 21
2-3 System ........................................................................................................... 25
2-4 BIOS ............................................................................................................... 26
2-5 Peripherals ..................................................................................................... 29
2-6 Chipset ........................................................................................................... 30
2-7 Power ............................................................................................................. 32
2-8 Save & Exit ..................................................................................................... 34
Chapter 3 Appendix ......................................................................................................35
3-1 ConguringaRAIDSet .................................................................................. 35
3-2 DriversInstallation .......................................................................................... 37
RegulatoryNotices .................................................................................................... 38
Contact Us ................................................................................................................ 39
- 4 -
GA-A320M-H Motherboard Layout
* The box contents above are for reference only and the actual items shall depend on the product package you obtain.
The box contents are subject to change without notice.
Box Contents
5GA-A320M-H motherboard 5Two SATA cables
5Motherboard driver disc 5I/O Shield
5User's Manual
KB_MS CPU_FAN
SYS_FAN1
ATX
GA-A320M-H
AUDIO
DDR4_2
DDR4_1
BAT
ATX_12V
AMD
A320
R_USB30_1
HDMI
CODEC
M_BIOS
DVI
PCIEX16
PCIEX1_1
PCIEX1_2 iTE®
Super I/O
Realtek®
GbELAN
F_USB30
CI
SPEAKER
F_USB1 F_PANEL
F_USB2SPDIF_O
SATA3
012
USB_LAN
Socket AM4
R_USB30_2
3
CLR_CMOS
TPM
F_AUDIO
M2F_32G
80 60 42110
SATA3
Chapter 1 Hardware Installation
1-1 Installation Precautions
The motherboard contains numerous delicate electronic circuits and components which can become
damagedasaresultofelectrostaticdischarge(ESD).Priortoinstallation,carefullyreadtheuser's
manual and follow these procedures:
•Prior to installation, make sure the chassis is suitable for the motherboard.
•Priortoinstallation,donotremoveorbreakmotherboardS/N(SerialNumber)stickeror
warranty sticker provided by your dealer. These stickers are required for warranty validation.
•Always remove the AC power by unplugging the power cord from the power outlet before
installing or removing the motherboard or other hardware components.
•When connecting hardware components to the internal connectors on the motherboard, make
sure they are connected tightly and securely.
•When handling the motherboard, avoid touching any metal leads or connectors.
•It is best to wear an electrostatic discharge (ESD) wrist strap when handling electronic
componentssuchasamotherboard,CPUormemory.IfyoudonothaveanESDwriststrap,
keepyourhandsdryandrsttouchametalobjecttoeliminatestaticelectricity.
•Prior to installing the motherboard, please have it on top of an antistatic pad or within an
electrostatic shielding container.
•Before connecting or unplugging the power supply cable from the motherboard, make sure
the power supply has been turned off.
•Before turning on the power, make sure the power supply voltage has been set according to
the local voltage standard.
•Before using the product, please verify that all cables and power connectors of your hardware
components are connected.
•To prevent damage to the motherboard, do not allow screws to come in contact with the
motherboard circuit or its components.
•Make sure there are no leftover screws or metal components placed on the motherboard or
within the computer casing.
•Donotplacethecomputersystemonanunevensurface.
•Donotplacethecomputersysteminahigh-temperatureorwetenvironment.
•Turning on the computer power during the installation process can lead to damage to system
components as well as physical harm to the user.
•If you are uncertain about any installation steps or have a problem related to the use of the
product,pleaseconsultacertiedcomputertechnician.
•If you use an adapter, extension power cable, or power strip, ensure to consult with its installation
and/or grounding instructions.
- 5 -
1-2 ProductSpecications
CPU AM4 Socket:
- AMDRyzen™ processor
- AMD7thGenerationA-series/Athlon™ processors
(GotoGIGABYTE'swebsiteforthelatestCPUsupportlist.)
Chipset AMDA320
Memory 2xDDR4DIMMsocketssupportingupto64GB(32GBsingleDIMMcapacity)
of system memory
Dualchannelmemoryarchitecture
SupportforDDR42667(Note1)/2400/2133MHzmemorymodules
SupportforECCUn-bufferedDIMM 1Rx8/2Rx8memorymodules(operate in
non-ECCmode)
Supportfornon-ECCUn-bufferedDIMM1Rx8/2Rx8/1Rx16memorymodules
SupportforExtremeMemoryProle(XMP)memorymodules
(Go to GIGABYTE's website for the latest supported memory speeds and memory
modules.)
Onboard
Graphics
Integrated Graphics Processor:
- 1xDVI-Dport,supportingamaximumresolutionof1920x1200@60Hz
* TheDVI-DportdoesnotsupportD-Subconnectionbyadapter.
- 1xHDMIport,supportingamaximumresolutionof4096x2160@24Hz
* SupportforHDMI1.4version.
Maximum shared memory of 2 GB
Audio Realtek®AudioCODEC
HighDenitionAudio
2/4/5.1/7.1-channel
* Tocongure7.1-channelaudio,youneedtoopentheaudiosoftwareandselect
Deviceadvanced settings > Playback Device to change the default settingrst.
PleasevisitGIGABYTE'swebsitefordetailsonconguringtheaudiosoftware.
SupportforS/PDIFOut
LAN Realtek®GbELANchip(10/100/1000Mbit)
Expansion Slots 1 x PCI Express x16 slot, running at x16 (Note1)
 (ThePCIEX16slotconformstoPCIExpress3.0standard.)
2 x PCI Express x1 slots
 (ThePCIExpressx1slotsconformtoPCIExpress2.0standard.)
Storage Interface 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280/22110 SATA and PCIe
x4/x2 (Note2)SSDsupport)
4 x SATA 6Gb/s connectors
SupportforRAID0,RAID1,andRAID10
* Referto"1-7InternalConnectors,"fortheinstallationnoticesfortheM.2connector.
USB Chipset:
- 2 x USB 3.1 Gen 1 ports available through the internal USB header
- 6 x USB 2.0/1.1 ports (2 ports on the back panel, 4 ports available through
theinternalUSBheaders)
CPU:
- 4 x USB 3.1 Gen 1 ports on the back panel
(Note1) ActualsupportmayvarybyCPU.
(Note2) SupportsonlyM.2SATASSDswhenusinganAMD7thGenerationA-seriesorAthlon™ processor.
- 6 -
Internal
Connectors
1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x CPU fan header
1 x system fan header
1 x M.2 Socket 3 connector
4 x SATA 6Gb/s connectors
1 x front panel header
1 x front panel audio header
1xS/PDIFOutheader
1 x USB 3.1 Gen 1 header
2 x USB 2.0/1.1 headers
1xTrustedPlatformModule(TPM)header(2x10pin,fortheGC-TPM2.0moduleonly)
1 x speaker header
1 x Clear CMOS jumper
1 x chassis intrusion header
Back Panel
Connectors
1 x PS/2 keyboard port
1 x PS/2 mouse port
1xDVI-Dport
1xHDMIport
4 x USB 3.1 Gen 1 ports
2 x USB 2.0/1.1 ports
1xRJ-45port
3 x audio jacks
I/O Controller iTE® I/O Controller Chip
Hardware
Monitor
Voltage detection
Temperature detection
Fan speed detection
Overheating warning
Fan fail warning
Fan speed control
* Whether the fan speed control function is supported will depend on the cooler you
install.
BIOS 1x128Mbitash
Use of licensed AMI UEFI BIOS
PnP1.0a,DMI2.7,WfM2.0,SMBIOS2.7,ACPI5.0
- 7 -
Unique Features Support for APP Center
* Available applications in APP Center may vary by motherboard model. Supported
functionsofeachapplicationmayalsovarydependingonmotherboardspecications.
- @BIOS
- EasyTune
- Fast Boot
- Game Boost
- ON/OFFCharge
- Smart Backup
- System Information Viewer
Support for Q-Flash
Support for Xpress Install
Bundled
Software
Norton®InternetSecurity(OEMversion)
cFosSpeed
Operating
System
Support for Windows 10 64-bit
Support for Windows 7 64-bit
* Pleasedownloadthe"WindowsUSBInstallationTool"fromGIGABYTE'swebsite
and install it before installing Windows 7.
Form Factor Micro ATX Form Factor; 24.4cm x 19.5cm
* GIGABYTEreservestherighttomakeanychangestotheproductspecicationsandproduct-relatedinformationwithout
prior notice.
Please visit GIGABYTE's website
for support lists of CPU, memory
modules,SSDs,andM.2devices.
Please visit the Support\Utility List
page on GIGABYTE's website to
download the latest version of apps.
- 8 -
1-3 Installing the CPU
ReadthefollowingguidelinesbeforeyoubegintoinstalltheCPU:
•Make sure that the motherboard supports the CPU.
(GotoGIGABYTE'swebsiteforthelatestCPUsupportlist.)
•Always turn off the computer and unplug the power cord from the power outlet before installing the
CPU to prevent hardware damage.
•Locate the pin one of the CPU. The CPU cannot be inserted if oriented incorrectly.
•Apply an even and thin layer of thermal grease on the surface of the CPU.
•DonotturnonthecomputeriftheCPUcoolerisnotinstalled,otherwiseoverheatinganddamage
of the CPU may occur.
•SettheCPUhostfrequencyinaccordancewiththeCPUspecications.Itisnotrecommended
thatthesystembusfrequencybesetbeyondhardwarespecicationssinceitdoesnotmeetthe
standard requirements for the peripherals. If you wish to set the frequency beyond the standard
specications,pleasedosoaccordingtoyourhardwarespecicationsincludingtheCPU,graphics
card, memory, hard drive, etc.
1-4 Installing the Memory
Readthefollowingguidelinesbeforeyoubegintoinstallthememory:
•Make sure that the motherboard supports the memory. It is recommended that memory of the
same capacity, brand, speed, and chips be used.
(GotoGIGABYTE'swebsiteforthelatestsupportedmemoryspeedsandmemorymodules.)
•Always turn off the computer and unplug the power cord from the power outlet before installing the
memory to prevent hardware damage.
•Memory modules have a foolproof design. A memory module can be installed in only one direction.
If you are unable to insert the memory, switch the direction.
Please visit GIGABYTE's website for details on hardware installation.
Installing the CPU
CompletelyliftuptheCPUsocketlockinglever.Locatethepinone(denotedbyasmalltriangle)oftheCPU
socketandtheCPU.OncetheCPUispositionedintoitssocket,placeonengerdownonthemiddleofthe
CPU, lowering the locking lever and latching it into the fully locked position.
AM4 Socket
A Small Triangle
MarkingDenotesPin
One of the Socket AM4 CPU
A Small Triangle
MarkingDenotesCPU
Pin One
- 9 -
1-5 Installing an Expansion Card
Readthefollowingguidelinesbeforeyoubegintoinstallanexpansioncard:
•Make sure the motherboard supports the expansion card. Carefully read the manual that came
with your expansion card.
•Always turn off the computer and unplug the power cord from the power outlet before installing an
expansion card to prevent hardware damage.
1-6 Back Panel Connectors
PS/2 Keyboard and PS/2 Mouse Port
Usetheupperport(green)toconnectaPS/2mouseandthelowerport(purple)toconnectaPS/2keyboard.
DVI-D Port (Note)
TheDVI-DportconformstotheDVI-Dspecicationandsupportsamaximumresolutionof1920x1200@60Hz
(theactualresolutionssupporteddependonthemonitorbeingused).Connectamonitorthatsupports
DVI-Dconnectiontothisport.
HDMI Port
TheHDMIportisHDCPcompliantandsupportsDolbyTrueHDandDTSHD
MasterAudioformats.Italsosupportsupto192KHz/24bit7.1-channelLPCM
audiooutput.YoucanusethisporttoconnectyourHDMI-supportedmonitor.Themaximumsupported
resolutionis4096x2160@24 Hz, buttheactual resolutions supportedaredependent on themonitor
being used.
AfterinstallingtheHDMIdevice,makesuretosetthedefaultsoundplaybackdevicetoHDMI.(The
itemnamemaydifferdependingonyouroperatingsystem.)
(Note) TheDVI-DportdoesnotsupportD-Subconnectionbyadapter.
DualChannelMemoryConguration
ThismotherboardprovidestwomemorysocketsandsupportsDualChannelTechnology.Afterthememory
isinstalled,theBIOSwillautomaticallydetectthespecicationsandcapacityofthememory.EnablingDual
Channel memory mode will double the original memory bandwidth.
ThetwoDDR4memorysocketsaredividedintotwochannelsandeachchannelhasonememorysocketas
following:
ChannelA:DDR4_2
ChannelB:DDR4_1
DuetoCPUlimitations,readthefollowingguidelinesbeforeinstallingthememoryinDualChannelmode.
1. DualChannelmodecannotbeenabledifonlyonememorymoduleisinstalled.
2. WhenenablingDualChannelmodewithtwomemorymodules,itisrecommendedthatmemoryof
the same capacity, brand, speed, and chips be used.
- 10 -
USB 2.0/1.1 Port
TheUSBportsupportstheUSB2.0/1.1specication.UsethisportforUSBdevices.
Line In/Rear Speaker Out (Blue)
The line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out/Front Speaker Out (Green)
The line out jack.
Mic In/Center/Subwoofer Speaker Out (Pink)
The Mic in jack.
Tocongure7.1-channelaudio,youneedtoopentheaudiosoftwareandselectDeviceadvanced
settings>PlaybackDevicetochangethedefaultsettingrst.
•Whenremovingthecableconnectedtoabackpanelconnector,rstremovethecablefromyour
device and then remove it from the motherboard.
•Whenremovingthecable,pullitstraightoutfromtheconnector.Donotrockitsidetosideto
prevent an electrical short inside the cable connector.
ActivityLED
Connection/
SpeedLED
LANPort
ActivityLED:Connection/SpeedLED:
State Description
Orange 1 Gbps data rate
Green 100 Mbps data rate
Off 10 Mbps data rate
State Description
Blinking Datatransmissionorreceivingisoccurring
Off Nodatatransmissionorreceivingisoccurring
USB 3.1 Gen 1 Port
TheUSB3.1Gen1portsupportstheUSB3.1Gen1specicationandiscompatibletotheUSB2.0
specication.UsethisportforUSBdevices.
RJ-45 LAN Port
TheGigabitEthernetLANportprovidesInternetconnectionatup to 1 Gbps data rate.Thefollowing
describesthestatesoftheLANportLEDs.
AudioJackCongurations:
Jacks Headphone/
2-channel 4-channel 5.1-channel 7.1-channel
LineIn/RearSpeakerOut a a a
Line Out/Front Speaker Out a a a a
Mic In/Center/Subwoofer Speaker Out a a
Front Panel Line Out/Side Speaker Out a
PleasevisitGIGABYTE'swebsitefordetailsonconguringtheaudiosoftware.
- 11 -
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_FAN1
5) SATA3 0/1/2/3
6) M2F_ 32G
7) SPDIF_O
8) F_PANEL
9) F_AUDIO
10) SPEAKER
11) F_USB30
12) F_USB1/F_USB2
13) TPM
14) BAT
15) CI
16) CLR_CMOS
1
2
3
11
14
712
913
6
4
5
8 101615
- 12 -
DEBUG
PORT
G.QBOFM
131
2412
ATX
1/2) ATX_12V/ATX (2x4 12V Power Connector and 2x12 Main Power Connector)
With the use of the power connector, the power supply can supply enough stable power to all the components
onthemotherboard.Beforeconnectingthepowerconnector,rstmakesurethepower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.
To meet expansion requirements, it is recommended that a power supply that can withstand 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.
ATX:
PinNo. Denition PinNo. Denition
1 3.3V 13 3.3V
2 3.3V 14 -12V
3GND 15 GND
4 +5V 16 PS_ON(softOn/Off)
5GND 17 GND
6 +5V 18 GND
7GND 19 GND
8 Power Good 20 NC
95VSB(standby+5V) 21 +5V
10 +12V 22 +5V
11 +12V (Only for 2x12-pin
ATX)
23 +5V(Onlyfor2x12-pinATX)
12 3.3V (Only for 2x12-pin
ATX)
24 GND(Onlyfor2x12-pinATX)
ATX_12V:
PinNo. Denition PinNo. Denition
1GND(Onlyfor2x4-pin12V) 5+12V(Onlyfor2x4-pin12V)
2GND(Onlyfor2x4-pin12V) 6+12V(Onlyfor2x4-pin12V)
3GND 7 +12V
4GND 8 +12V
ATX_12V
DEBUG
PORT
G.QBOFM
58
14
- 13 -
5) SATA3 0/1/2/3 (SATA 6Gb/s Connectors)
The SATA connectors conform to SATA 6Gb/s standard and are compatible with SATA 3Gb/s and SATA
1.5Gb/s standard. Each SATA connector supports a single SATA device. The SATA connectors support
RAID0,RAID1,andRAID10.RefertoChapter3,"ConguringaRAIDSet,"forinstructionsonconguring
aRAIDarray.
PinNo. Denition
1GND
2 TXP
3TXN
4GND
5RXN
6RXP
7GND
•Be sure to connect fan cables to the fan headers to prevent your CPU and system from
overheating. Overheating may result in damage to the CPU or the system may hang.
•Thesefanheadersarenotcongurationjumperblocks.Donotplaceajumpercapontheheaders.
3/4) CPU_FAN/SYS_FAN1 (Fan Headers)
All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design.
When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire
isthegroundwire).ThemotherboardsupportsCPUfanspeedcontrol,whichrequirestheuseofaCPU
fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be
installed inside the chassis.
CPU_FAN
DEBUG
PORT
G.QBOFM
1
SYS_FAN1
DEBUG
PORT
G.QBOFM
1
SATA3
2
1
0
PinNo. Denition
1GND
2 Voltage Speed Control
3 Sense
4 PWM Speed Control
DEBUG
PORT
G.QBOFM
71
DEBUG
PORT
G.QBOFM
71
DEBUG
PORT
G.QBOFM
71
DEBUG
PORT
G.QBOFM
71
3
- 14 -
6) M2F_32G (M.2 Socket 3 Connector)
 TheM.2connectorsupportsM.2SATASSDsorM.2PCIeSSDsandsupportsSATARAIDconguration.
PleasenotethatanM.2PCIeSSDcannotbeusedtocreateaRAIDarray.RefertoChapter3,"Conguring
aRAIDSet,"forinstructionsonconguringaRAIDarray.
FollowthestepsbelowtocorrectlyinstallanM.2SSDintheM.2connector.
Step 1:
Use a screw driver to unfasten the screw and standoff from the motherboard. Locate the proper mounting
holefortheM.2SSDtobeinstalledandthenscrewthestandoffrst.
Step 2:
SlidetheM.2SSDintotheconnectoratanangle.
Step 3:
PresstheM.2SSDdownandthensecureitwiththescrew.
SelecttheproperholefortheM.2SSDtobeinstalledandrefastenthescrewandstandoff.
F_USB30 F_U
B_ 
F_  F_ 

_
B
BS_
B
SB_
B
_S

S_
_
B
_U
_
B


 
S  
 
123
 
123
 
123
 
123
1
1
1
1
BSS
S
_S 
SSU
 
1 2 3  
 S3 BSSS

U
 __ 3
F_USB3F
S  _
S  _
S  _
SF


B_
B_
F
_0
S
S
_0F
_F
_
_
__B


U
S  _S
_ SF_
B 
USB0_B
B_
B_
F_USB3
 F_USB303

_

_3U
S_
80110 60 42
7) SPDIF_O (S/PDIF Out Header)
 ThisheadersupportsS/PDIFdigitaloutput,whichallowsyoutoconnectaS/PDIFdigitalaudiocableto
output digital audio from your motherboard to the supported audio devices. For information about connecting
the digital audio cable, carefully read the manual for your audio devices.
PinNo. Denition
1SPDIFO
2GND
1
Installation Notices for the M.2 Connector:
SupportsonlyM.2SATASSDswhenusinganAMD7thGenerationA-seriesorAthlon™processor.Refer
to the following table for details.
M.2PCIeSSD M.2SATASSD
Ryzen™ processor a a
7th Generation A-series/Athlon™ processors
ra
a: Available, r:Notavailable
CPU
TypeofM.2SSD
- 15 -
9) F_AUDIO (Front Panel Audio Header)
 ThefrontpanelaudioheadersupportsHighDenitionaudio(HD).Youmayconnectyourchassisfront
panel audio module to this header. Make sure the wire assignments of the module connector 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.
Some chassis provide a front panel audio module that has separated connectors on each wire
instead of a single plug. For information about connecting the front panel audio module that has
different wire assignments, please contact the chassis manufacturer.
PinNo. Denition PinNo. Denition
1 MIC2_L 6 Sense
2GND 7FAUDIO_JD
3MIC2_R 8NoPin
4NC 9LINE2_L
5LINE2_R 10 Sense
1
2
9
10
8) F_PANEL (Front Panel Header)
Connect the power switch, reset switch, and system status indicator on the chassis to this header according
tothepinassignmentsbelow.Notethepositiveandnegativepinsbeforeconnectingthecables.
•PW(PowerSwitch):
 Connectstothepowerswitchonthechassisfrontpanel.Youmaycongure
the way to turn off your system using the power switch (refer to Chapter
2,"BIOSSetup,""Power,"formoreinformation).
•HD(HardDriveActivityLED):
 ConnectstotheharddriveactivityLEDonthechassisfrontpanel.The
LEDisonwhentheharddriveisreadingorwritingdata.
•RES(ResetSwitch):
Connects to the reset switch on the chassis front panel. Press the reset
switchtorestartthecomputerifthecomputerfreezesandfailstoperform
a normal restart.
•NC: Noconnection.
•PLED(PowerLED):
System Status LED
S0 On
S3/S4/S5 Off
Connects to the power status indicator on the
chassisfront panel. The LED is on when the
systemis operating.TheLEDisoffwhenthe
system is in S3/S4 sleep state or powered
off(S5).
The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset switch,
powerLED,harddriveactivityLEDandetc.Whenconnectingyourchassisfrontpanelmoduletothisheader,
make sure the wire assignments and the pin assignments are matched correctly.
1
2
9
10
NC
PLED-
PW-
PLED+
PW+
HD-
RES+
HD+
RES-
PowerLED Power Switch
HardDrive
ActivityLED
ResetSwitch
- 16 -
PinNo. Denition PinNo. Denition
1 VBUS 11 D2+
2SSRX1- 12 D2-
3SSRX1+ 13 GND
4GND 14 SSTX2+
5 SSTX1- 15 SSTX2-
6 SSTX1+ 16 GND
7GND 17 SSRX2+
8D1- 18 SSRX2-
9D1+ 19 VBUS
10 NC 20 NoPin
11) F_USB30 (USB 3.1 Gen 1 Header)
 TheheaderconformstoUSB3.1Gen1andUSB2.0specicationandcanprovidetwoUSBports.For
purchasingtheoptional3.5"frontpanelthatprovidestwoUSB3.1Gen1ports,pleasecontactthelocal
dealer.
F_USB30 F_U
B_ 
F_  F_ 

_
B
BS_
B
SB_
B
_S

S_
_
B
_U
_
B


 
S  
 
123
 
123
 
123
 
123
1
1
1
1
BSS
S
_S 
SSU
 
1 2 3  
 S3 BSSS

U
 __ 3
F_USB3F
S  _
S  _
S  _
SF


B_
B_
F
_0
S
S
_0F
_F
_
_
__B


U
S  _S
_ SF_
B 
USB0_B
B_
B_
F_USB3
 F_USB303

_

_3U
S_
10
11
1
20
10) SPEAKER (Speaker Header)
Connects to the speaker on the chassis front panel. The system reports system startup status by issuing
a beep code. One single short beep will be heard if no problem is detected at system startup.
PinNo. Denition
1 VCC
2NC
3NC
4 SPK-
1
Prior to installing the USB front panel, be sure to turn off your computer and unplug the power cord
from the power outlet to prevent damage to the USB front panel.
12) F_USB1/F_USB2 (USB 2.0/1.1 Headers)
 TheheadersconformtoUSB2.0/1.1specication.EachUSBheadercanprovidetwoUSBportsviaan
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
PinNo. Denition PinNo. Denition
1Power(5V) 6USBDY+
2Power(5V) 7GND
3USBDX- 8GND
4USBDY- 9NoPin
5USBDX+ 10 NC
•DonotplugtheIEEE1394bracket(2x5-pin)cableintotheUSB2.0/1.1header.
•Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord
from the power outlet to prevent damage to the USB bracket.
10
9
2
1
- 17 -
13) TPM (Trusted Platform Module Header)
 YoumayconnectaTPM(TrustedPlatformModule)tothisheader.
20
19
2
1
DEBUG
PORT
G.QBOFM
PinNo. Denition PinNo. Denition
1 LCLK 11 LAD0
2GND 12 GND
3LFRAME 13 NC
4NoPin 14 NC
5LRESET 15 SB3V
6NC 16 SERIRQ
7LAD3 17 GND
8LAD2 18 NC
9 VCC3 19 NC
10 LAD1 20 NC
14) BAT (Battery)
 Thebatteryprovidespowertokeepthevalues(suchasBIOScongurations,date,andtimeinformation)
intheCMOSwhenthecomputeristurnedoff.Replacethebatterywhenthebatteryvoltagedropstoalow
level, or the CMOS values may not be accurate or may be lost.
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2. Gently remove the battery from the battery holder and wait for one minute. (Or
use a metal object like a screwdriver to touch the positive and negative terminals
ofthebatteryholder,makingthemshortfor5seconds.)
3. Replacethebattery.
4. Plug in the power cord and restart your computer.
•Always turn off your computer and unplug the power cord before replacing the battery.
•Replacethebatterywithanequivalentone.Damagetoyourdevicesmayoccurifthebatteryis
replaced with an incorrect model.
•Contact the place of purchase or local dealer if you are not able to replace the battery by yourself
or uncertain about the battery model.
•Wheninstallingthebattery,notetheorientationofthepositiveside(+)andthenegativeside(-)
ofthebattery(thepositivesideshouldfaceup).
•Used batteries must be handled in accordance with local environmental regulations.
- 18 -
16) CLR_CMOS (Clear CMOS Jumper)
 UsethisjumpertocleartheBIOScongurationandresettheCMOSvaluestofactorydefaults.Toclear
the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.
•Always turn off your computer and unplug the power cord from the power outlet before clearing
the CMOS values.
•Aftersystemrestart,gotoBIOSSetuptoloadfactorydefaults(selectLoadOptimizedDefaults)or
manuallyconguretheBIOSsettings(refertoChapter2,"BIOSSetup,"forBIOScongurations).
Open:Normal
Short: Clear CMOS Values
15) CI (Chassis Intrusion Header)
This motherboard provides a chassis detection feature that detects if the chassis cover has been removed.
This function requires a chassis with chassis intrusion detection design.
1
PinNo. Denition
1 Signal
2GND
- 19 -
Chapter 2 BIOS Setup
BIOS(Basic Input and Output System) records hardware parameters of the system in theCMOS on the
motherboard.ItsmajorfunctionsincludeconductingthePower-OnSelf-Test(POST)duringsystemstartup,
saving system parameters and loading operating system, etc. BIOS includes a BIOS Setup program that allows
theusertomodifybasicsystemcongurationsettingsortoactivatecertainsystemfeatures.
When the power is turned off, the battery on the motherboard supplies the necessary power to the CMOS to
keepthecongurationvaluesintheCMOS.
ToaccesstheBIOSSetupprogram,pressthe<Delete>keyduringthePOSTwhenthepoweristurnedon.
ToupgradetheBIOS,useeithertheGIGABYTEQ-Flashor@BIOSutility.
•Q-Flash allows the user to quickly and easily upgrade or back up BIOS without entering the operating system.
•@BIOSisaWindows-basedutilitythatsearchesanddownloadsthelatestversionofBIOSfromtheInternet
and updates the BIOS.
•BecauseBIOSashingispotentiallyrisky,ifyoudonotencounterproblemsusingthecurrentversionofBIOS,
itisrecommendedthatyounotashtheBIOS.ToashtheBIOS,doitwithcaution.InadequateBIOSashing
may result in system malfunction.
•Itisrecommendedthatyounotalterthedefaultsettings(unlessyouneedto)topreventsysteminstabilityorother
unexpected results. Inadequately altering the settings may result in system's failure to boot. If this occurs, try to
cleartheCMOSvaluesandresettheboardtodefaultvalues.(Refertothe"LoadOptimizedDefaults"sectionin
thischapterorintroductionsofthebattery/clearCMOSjumperinChapter1forhowtocleartheCMOSvalues.)
2-1 Startup Screen
The following startup Logo screen will appear when the computer boots.
•When the system is not stable as usual, select the Load Optimized Defaults item to set your system to its defaults.
•The BIOS Setup menus described in this chapter are for reference only and may differ by BIOS version.
Function Keys
TherearetwodifferentBIOSmodesasfollowsandyoucanusethe<F2>keytoswitchbetweenthetwomodes.
The Classic Setup mode provides detailed BIOS settings. You can press the arrow keys on your keyboard to move
amongtheitemsandpress<Enter>toacceptorenterasub-menu.Oryoucanuseyourmousetoselectthe
item you want. Easy Mode allows users to quickly view their current system information or to make adjustments
foroptimumperformance.InEasyMode,youcanuseyourmousetomovethroughcongurationitems.
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Gigabyte GA-A320M-H Owner's manual

Gigabyte
Brand
Gigabyte
Model
GA-A320M-H
Type
Owner's manual
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