Gigabyte GA-A320M-S2H Owner's manual

Brand: Gigabyte

Model: GA-A320M-S2H

Type: Owner's manual

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are recyclable and reusable. GIGABYTE works with you to protect the environment.

For more product details, please visit GIGABYTE's website.

GA-A320M-S2H

User's Manual

Rev. 1201

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-S2H 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-S2H 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-S2H motherboard 5Two SATA cables

5Motherboard driver disc 5I/O Shield

5User's Manual

KB_MS CPU_FAN

SYS_FAN1

ATX

GA-A320M-S2H

AUDIO

DDR4_2

DDR4_1

BAT

ATX_12V

AMD

A320

R_USB30_1

HDMI

CODEC

M_BIOS

VGA

DVI

PCIEX16

PCIEX1_1

PCIEX1_2 iTE®

Super I/O

Realtek®

GbELAN

F_USB30

SPEAKER

F_USB1 F_PANEL

F_USB2SPDIF_O

SATA3

012

USB_LAN

Socket AM4

R_USB30_2

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D-Subport,supportingamaximumresolutionof1920x1200@60Hz

 - 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.

(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 -

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

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D-Sub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(LineIn,LineOut,MicIn)

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.

D-Sub Port

TheD-Subportsupportsa15-pinD-Subconnectorandsupportsamaximumresolutionof1920x1200@60Hz

(theactualresolutionssupporteddependonthemonitorbeingused).Connectamonitorthatsupports

D-Subconnectiontothisport.

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 (Blue)

The line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.

Line Out (Green)

The line out jack. Use this audio jack for a headphone or 2-channel speaker. This jack can be used to

connectfrontspeakersina4/5.1/7.1-channelaudioconguration.

Mic In (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.

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

712

913

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

- 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

SYS_FAN1

DEBUG

PORT

G.QBOFM

SATA3

PinNo. Denition

1GND

2 Voltage Speed Control

3 Sense

4 PWM Speed Control

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

- 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 nut from the motherboard. Locate the proper mounting hole

fortheM.2SSDtobeinstalledandthenscrewthenut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nut.

F_USB30 F_U

B_ 

F_  F_ 



_

B

BS_

B

SB_

B

_S



S_

_

B

_U

_

B





 

S  

 

123

 

123

 

123

 

123

BSS

S

_S 

SSU

 

1 2 3  

 S3 BSSS



U

 __ 3

F_USB3F

S  _

SF





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

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

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.

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.

PLED-

PW-

PLED+

PW+

HD-

RES+

HD+

RES-

PowerLED Power Switch

HardDrive

ActivityLED

ResetSwitch

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

- 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

BSS

S

_S 

SSU

 

1 2 3  

 S3 BSSS



U

 __ 3

F_USB3F

S  _

SF





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) 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-

DEBUG

PORT

G.QBOFM

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.

- 17 -

13) TPM (Trusted Platform Module Header)

 YoumayconnectaTPM(TrustedPlatformModule)tothisheader.

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.

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.

- 20 -

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Gigabyte GA-A320M-S2H Owner's manual

Brand: Gigabyte

Model: GA-A320M-S2H

Type: Owner's manual

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