Gigabyte C246M-WU4 Owner's manual

Brand: Gigabyte

Model: C246M-WU4

Type: Owner's manual

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

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C246M-WU4

User's Manual

Rev. 1101

12ME-246MWU4-1101R

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

C246M-WU4 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 Setting up AMD CrossFire™Conguration ..................................................... 10

1-7 Back Panel Connectors .................................................................................. 11

1-8 Internal Connectors ........................................................................................ 13

Chapter 2 BIOS Setup ..................................................................................................21

2-1 Startup Screen ............................................................................................... 21

2-2 The Main Menu .............................................................................................. 22

2-3 M.I.T. .............................................................................................................. 23

2-4 System ........................................................................................................... 29

2-5 BIOS ............................................................................................................... 30

2-6 Peripherals ..................................................................................................... 33

2-7 Chipset ........................................................................................................... 36

2-8 Power ............................................................................................................. 37

2-9 Save & Exit ..................................................................................................... 39

Chapter 3 Appendix ......................................................................................................40

3-1 ConguringaRAIDSet .................................................................................. 40

3-2 Installing an Intel® Optane™ Memory .............................................................. 42

3-3 Drivers Installation .......................................................................................... 43

RegulatoryNotices .................................................................................................... 44

Contact Us ................................................................................................................ 48

- 4 -

C246M-WU4 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

5C246M-WU4 motherboard 5Four SATA cables

5Motherboard driver disc 5I/O Shield

5User's Manual 5One G Connector

CPU_FAN

ATX

F_AUDIO

DDR4_B2

DDR4_A2

DDR4_B1

DDR4_A1

BAT

F_PANEL

Intel® C246

M_BIOS

F_USB1

LGA1151

F_USB30

PCIEX1_1

iTE®

Super I/O

TPM

M2A

SATA3

7 5 3 1

6 4 2 0

PCIEX8

80 60 42

SYS_FAN2A

SPDIF_O

110

COMB

CODEC

THB_C

SATA_SGP2

SATA_SGP1

SYS_FAN2BCOMA

M2M

80 60 42

CLR_CMOS

KB_MS_USB30 ATX_12V_2X4

AUDIO

PCIEX16 C246M-WU4

USB30_LAN1

SYS_FAN1

USB31_USB30_LAN2

DVI

Intel® GbE

LAN

Intel® GbE

LAN

VGA

PCIEX1_2

F_USB2

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 LGA1151 package:

- Intel® Xeon® E series processors

9th and 8th Generation Intel

Core

™

processors/Intel

Pentium

processors/

Intel

Celeron

processors

(Go to GIGABYTE's website for the latest CPU support list.)

L3 cache varies with CPU

Chipset Intel® C246 Express Chipset

Memory 4xDDR4DIMMsocketssupportingupto128GBofsystemmemory

Dual channel memory architecture

SupportforDDR42666/2400/2133MHzmemorymodules

SupportforECCUn-bufferedDIMM1Rx8/2Rx8memorymodules

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-Intel® UHD Graphics support:

 - 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DisplayPort,supportingamaximumresolutionof4096x2304@60Hz

* SupportforDisplayPort1.2version,HDCP2.2,andHDR.

Support for up to 3 displays at the same time

Maximum shared memory of 1 GB

Audio Realtek® Audio CODEC

HighDenitionAudio

2/4/5.1/7.1-channel

Support for S/PDIF Out

LAN 2 x Intel®GbELANchips(10/100/1000Mbit)

Expansion Slots 1 x PCI Express x16 slot, running at x16 (PCIEX16)

* For optimum performance, if only one PCI Express graphics card is to be installed,

be sure to install it in the PCIEX16 slot.

1 x PCI Express x16 slot, running at x8 (PCIEX8)

* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot

is populated, the PCIEX16 slot operates at up to x8 mode.

* IfyouinstallagraphicscardinthePCIEX16slotandtheGC-TITANRIDGEcard

in the PCIEX8 slot, make sure to set the PCIE Bifurcation Support item to PCIE

x8/x8 in BIOS Setup.

2 x PCI Express x1 slots

(All of the PCI Express slots conform to PCI Express 3.0 standard.)

Multi-Graphics

Technology

 Support for AMD Quad-GPU CrossFire™ and 2-Way AMD CrossFire™

technologies

- 6 -

Storage

Interface

Chipset:

- 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280/22110 PCIe x4/

x2 SSD support) (M2M)

- 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 SATA and PCIe

x4/x2 SSD support) (M2A)

- 8 x SATA 6Gb/s connectors (SATA3 0~7)

- SupportforRAID0,RAID1,RAID5,andRAID10

* Referto"1-8InternalConnectors,"fortheinstallationnoticesfortheM.2andSATA

connectors.

Intel® Optane™MemoryReady

USB Chipset:

- 1 x USB 3.1 Gen 2 Type-A port (red) on the back panel

- 7 x USB 3.1 Gen 1 ports (5 ports on the back panel, 2 ports available through

the internal USB header)

- 4 x USB 2.0/1.1 ports available through the internal USB headers

Internal

Connectors

1 x 24-pin ATX main power connector

1 x 8-pin ATX 12V power connector

2 x M.2 Socket 3 connectors

8 x SATA 6Gb/s connectors

2 x SATA detection headers

1 x CPU fan header

3 x system fan headers

1 x front panel header

1 x front panel audio header

1 x USB 3.1 Gen 1 header

2 x USB 2.0/1.1 headers

1 x S/PDIF Out header

1 x Thunderbolt™ add-in card connector

 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S

module only)

2 x serial port headers

1 x Clear CMOS jumper

Back Panel

Connectors

1 x PS/2 keyboard/mouse port

1 x D-Sub port

1 x DVI-D port

1 x DisplayPort

1 x USB 3.1 Gen 2 Type-A port (red)

5 x USB 3.1 Gen 1 ports

2xRJ-45ports

6 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 fan you install.

- 7 -

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.

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

Operating

Properties

Operating temperature: -10°C to 50°C

Operating humidity: 8 - 90%

Non-operatingtemperature:-40°Cto70°C

Non-operatinghumidity:5%-95%

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

- System Information Viewer

Support for Q-Flash

Bundled

Software

Norton® Internet Security (OEM version)

cFosSpeed

Operating

System Support for Windows 10 64-bit

Form Factor Micro ATX Form Factor; 24.4cm x 24.4cm

* GIGABYTE reserves the right to makeany changes to the product specications and product-related information

without prior notice.

- 8 -

DualChannelMemoryConguration

This motherboard provides four 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 four memory sockets are divided into two channels and each channel has two memory sockets as following:

ChannelA:DDR4_B1,DDR4_B2

ChannelB:DDR4_A1,DDR4_A2

Please visit GIGABYTE's website for details on hardware installation.

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. (Or you may

locate the notches on both sides of the CPU and alignment keys on the CPU socket.)

•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.

InstallingtheCPU

Locate the alignment keys on the motherboard CPU socket and the notches on the CPU.

DonotremovetheCPUsocketcoverbeforeinsertingtheCPU.Itmaypopofffromtheload

plateautomaticallyduringtheprocessofre-engagingtheleverafteryouinserttheCPU.

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.

Triangle Pin One Marking on the CPU

NotchNotch

LGA1151 CPU

Alignment KeyAlignment Key

LGA1151 CPU Socket

Pin One Corner of the CPU Socket

- 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.

DualChannelMemoryCongurationsTable

DDR4_B1 DDR4_B2 DDR4_A1 DDR4_A2

2 Modules - - DS/SS - - DS/SS

DS/SS - - DS/SS - -

4 Modules DS/SS DS/SS DS/SS DS/SS

(SS=Single-Sided,DS=Double-Sided,"--"=NoMemory)

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 or four memory modules, it is recommended that memory

of the same capacity, brand, speed, and chips be used.

Procedure and driver screen for enabling CrossFire technology may differ by graphics cards and driver version.

RefertothemanualthatcamewithyourgraphicscardsformoreinformationaboutenablingCrossFiretechnology.

1-6 SettingupAMDCrossFire™Conguration

B.ConnectingtheGraphicsCards

Step 1:

Install CrossFire graphics cards on the PCI Express x16 slots.

Step 2:

Insert the CrossFire (Note) bridge connectors in the CrossFire gold edge connectors on top of the cards.

Step 3:

Plug the display cable into the graphics card on the PCIEX16 slot.

C.ConguringtheGraphicsCardDriver

ToEnableCrossFireFunction

After installing the graphics card driver in the operating system, go to the AMDRADEONSETTINGS screen.

Browse to Gaming\GlobalSettings and ensure AMDCrossFire is set to On.

A.SystemRequirements

-Windows 10 64-bit operating system

-A CrossFire-supported motherboard with two PCI Express x16 slots and correct driver

-CrossFire-ready graphics cards of identical brand and chip and correct driver

-CrossFire (Note) bridge connectors

-Apowersupplywithsufcientpowerisrecommended(Refertothemanualofyourgraphicscardsforthe

power requirement)

(Note) Thebridgeconnector(s)maybeneededornotdependingonyourgraphicscards.

- 10 -

1-7 Back Panel Connectors

PS/2 Keyboard/Mouse Port

Use this port to connect a PS/2 mouse or keyboard.

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.

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.

DisplayPort

DisplayPort delivers high quality digital imaging and audio, supporting bi-directional audio transmission.

DisplayPort can support both DPCP and HDCP 2.2 content protection mechanisms. It provides improved

visualssupporting Rec. 2020 (Wide Color Gamut) andHigh Dynamic Range (HDR) for Blu-ray UHD

playback.YoucanusethisporttoconnectyourDisplayPort-supportedmonitor.Note:TheDisplayPort

Technologycansupportamaximumresolutionof4096x2304@60Hzbuttheactualresolutionssupported

depend on the monitor being used.

• Tosetupatriple-displayconguration,youmustinstallmotherboarddriversintheoperating

systemrst.

• After installing the DisplayPort device, make sure to set the default sound playback device to

DisplayPort. (The item name may differ depending on your operating system.)

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.

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

On Nodatatransmissionorreceivingisoccurring

USB3.1Gen2Type-APort(Red)

TheUSB3.1Gen2Type-AportsupportstheUSB3.1Gen2specicationandiscompatibletotheUSB

3.1Gen1andUSB2.0specication.UsethisportforUSBdevices.

(Note) TheDVI-DportdoesnotsupportD-Subconnectionbyadapter.

- 11 -

•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.

PleasevisitGIGABYTE'swebsitefordetailsonconguringtheaudiosoftware.

Center/SubwooferSpeakerOut(Orange)

Use this audio jack to connect center/subwoofer speakers.

RearSpeakerOut(Black)

Use this audio jack to connect rear speakers.

SideSpeakerOut(Gray)

Use this audio jack to connect side speakers.

LineIn(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(Pink)

The Mic in jack.

AudioJackCongurations:

Jack Headphone/

2-channel 4-channel 5.1-channel 7.1-channel

Center/Subwoofer Speaker Out a a

RearSpeakerOut aaa

Side Speaker Out a

Line In

Line Out/Front Speaker Out aaaa

Mic In

- 12 -

1-8 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.

415

813 17

1) ATX_12V_2X4

2) ATX

3) CPU_FAN

4) SYS_FAN1/2A/2B

5) SATA30/1/2/3/4/5/6/7

6) SATA_SGP1/2

7) M2M/M2A

8) F_PANEL

9) F_AUDIO

10) SPDIF_O

11) F_USB30

12) F_USB1/F_USB2

13) THB_C

14) TPM

15) COMA/COMB

16) BAT

17) CLR_CMOS

- 13 -

DEBUG

PORT

G.QBOFM

131

ATX

1/2)ATX_12V_2X4/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

9 5VSB (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_2X4:

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

DEBUG

PORT

G.QBOFM

ATX_12V_2X4

- 14 -

3/4)CPU_FAN/SYS_FAN1/2A/2B(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 speed control function requires the use of a fan with fan speed control design. For

optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.

•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.

PinNo. Denition

1GND

2 Voltage Speed Control

3 Sense

4 PWM Speed Control

CPU_FAN

DEBUG

PORT

G.QBOFM

SYS_FAN2B

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

SYS_FAN1/SYS_FAN2A

5) SATA30/1/2/3/4/5/6/7(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 Intel®ChipsetsupportsRAID0,

RAID1,RAID5,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

Toenablehot-pluggingfortheSATAports,refertoChapter2,"BIOSSetup,""Peripherals\SATA

AndRSTConguration,"formoreinformation.

SATA3

DEBUG

PORT

G.QBOFM

7 5 3 1

6 4 2 0

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

6) SATA_SGP1/2(SATADetectionHeaders)

The headers can connect to SATA detection devices.

PinNo. Denition

1NC

2NoPin

3DATA0

4NC

5NC

6 LOAD

7NC

8 CLOCK

PinNo. Denition

1NC

2NoPin

3DATA1

4NC

5NC

6 LOAD

7NC

8 CLOCK

SATA_SGP1: SATA_SGP2:

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 4 5

 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_ F_USB3

 F_USB303



_



_3U

S_

SATA_SGP1

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 4 5

 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_ F_USB3

 F_USB303



_



_3U

S_

SATA_SGP2

- 15 -

InstallationNoticesfortheM.2andSATAConnectors:

Due to the limited number of lanes provided by the Chipset, the availability of the SATA connectors may

be affected by the type of device installed in the M.2 connector. The M2A connector shares bandwidth with

the SATA3 1 connector.Refertothefollowingtablefordetails.

7) M2A/M2M(M.2Socket3Connectors)

 TheM.2connectorsupportsM.2SATASSDsorM.2PCIeSSDsandsupportRAIDconguration.Please

notethatanM.2PCIeSSDcannotbeusedtocreateaRAIDseteitherwithanM.2SATASSDoraSATA

harddrive.TocreateaRAIDarraywithanM.2PCIeSSD,youmustsetupthecongurationinUEFIBIOS

mode.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.

•M2A:

SATA3 0 SATA3 1 SATA3 2 SATA3 3 SATA3 4 SATA3 5 SATA3 6 SATA3 7

M.2 SATA SSD ara a a a a a

M.2 PCIe SSD

aaaaaaaa

NoM.2SSDInstalled aaaaaaaa

a: Available, r:Notavailable

Connector

Type of

M.2 SSD

•M2M:

SATA3 0 SATA3 1 SATA3 2 SATA3 3 SATA3 4 SATA3 5 SATA3 6 SATA3 7

M.2 PCIe SSD *

aaaaaaaa

NoM.2SSDInstalled a a a a a a a a

a: Available, r:Notavailable

* The M2M connector supports only PCIe SSDs.

Connector

Type of

M.2 SSD

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 4 5

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 __ 3

F_USB3F

S  _

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B_

F

_0

S

S

_0F

_F

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_

__B





U

S  _S

_ SF_

B 

USB0_B

B_ F_USB3

 F_USB303



_



_3U

S_

80110 60

M2M

F_USB30 F_U

B_ 

F_  F_ 



_

B

BS_

B

SB_

B

_S



S_

_

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_U

_

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

 

123

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123

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123

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123

BSS

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_S 

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 

1 2 3 4 5

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

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 __ 3

F_USB3F

S  _

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B_

F

_0

S

S

_0F

_F

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_

__B





U

S  _S

_ SF_

B 

USB0_B

B_ F_USB3

 F_USB303



_



_3U

S_

80 60

M2A

- 16 -

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, speaker and etc. When connecting your chassis

front panel module to this header, make sure the wire assignments and the pin assignments are

matched correctly.

8) F_PANEL(FrontPanelHeader)

Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor 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.

System Status LED

S0 On

S3/S4/S5 Off

•PW(PowerSwitch,Red):

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).

•SPEAK(Speaker, Orange):

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.

•PLED/PWR_LED(Power LED, Yellow/Purple):

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).

•HD (Hard Drive Activity LED, Blue):

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,Green):

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.

•CI (Chassis Intrusion Header, Gray):

Connects to the chassis intrusion switch/sensor on the chassis that can detect if the chassis cover has

been removed. This function requires a chassis with a chassis intrusion switch/sensor.

•NC(Orange): Noconnection.

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.

F_USB30 F_U

B_ 

F_  F_ 



_

B

BS_

B

SB_

B

_S



S_

_

B

_U

_

B





 

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

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_S 

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 __ 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_ F_USB3

 F_USB303



_



_3U

S_

9 1

10 2

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

Power LED

DEBUG

PORT

G.QBOFM

CI-

CI+

PWR_LED-

PWR_LED+

PLED-

PW-

SPEAK+

SPEAK-

PLED+

PW+

Power LED

HD-

RES+

HD+

RES-

Hard Drive

Activity LED

Reset

Switch Chassis Intrusion

Header

Power Switch Speaker

PWR_LED-

- 17 -

10) SPDIF_O(S/PDIFOutHeader)

This header supports digital S/PDIF Out and connects a S/PDIF digital audio cable (provided by expansion

cards) for digital audio output from your motherboard to certain expansion cards like graphics cards and

sound cards. For example, some graphics cards may require you to use a S/PDIF digital audio cable for

digital audio output from your motherboard to your graphics card if you wish to connect an HDMI display

to the graphics card and have digital audio output from the HDMI display at the same time. For information

about connecting the S/PDIF digital audio cable, carefully read the manual for your expansion card.

PinNo. Denition

1 5VDUAL

2NoPin

3 SPDIFO

4GND

PinNo. Denition PinNo. Denition PinNo. Denition

1 VBUS 8 D1- 15 SSTX2-

2SSRX1- 9 D1+ 16 GND

3SSRX1+ 10 NC 17 SSRX2+

4GND 11 D2+ 18 SSRX2-

5 SSTX1- 12 D2- 19 VBUS

6 SSTX1+ 13 GND 20 NoPin

7GND 14 SSTX2+

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

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 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_ F_USB3

 F_USB303



_



_3U

S_

20 1

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 4 5

 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_ F_USB3

 F_USB303



_



_3U

S_

12) F_USB1/F_USB2(USB2.0/1.1Header)

 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

1 Power (5V) 6 USB DY+

2 Power (5V) 7 GND

3 USB DX- 8 GND

4 USB DY- 9 NoPin

5 USB 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.

DEBUG

PORT

G.QBOFM

- 18 -

13) THB_C(Thunderbolt™Add-inCardConnector)

This connector is for a GIGABYTE Thunderbolt™ add-in card.

Supports a Thunderbolt™ add-in card.

14) TPM(TrustedPlatformModuleHeader)

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

PinNo. Denition PinNo. Denition

1LAD0 7LAD3

2VCC3 8GND

3LAD1 9LFRAME

4NoPin 10 NC

5LAD2 11 SERIRQ

6LCLK 12 LRESET

11 1

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 4 5

 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_ F_USB3

 F_USB303



_



_3U

S_

12 2

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 4 5

 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_ F_USB3

 F_USB303



_



_3U

S_

15) COMA/COMB(SerialPortHeaders)

The COM header can provide one serial port via an optional COM port cable. For purchasing the optional

COM port cable, please contact the local dealer.

PinNo. Denition PinNo. Denition

1NDCD- 6NDSR-

2NSIN 7NRTS-

3NSOUT 8NCTS-

4NDTR- 9NRI-

5GND 10 NoPin

- 19 -

16) 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.

17) 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

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Gigabyte C246M-WU4 Owner's manual

Brand: Gigabyte

Model: C246M-WU4

Type: Owner's manual

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italiano: Gigabyte C246M-WU4 Manuale del proprietario

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