Gigabyte C246N-WU2 User manual

C246N-WU2
Gigabyte
Brand
Gigabyte
Model
C246N-WU2
Category
Motherboards
Type
User manual
To reduce the impacts on global warming, the packaging materials of this product
are recyclable and reusable. GIGABYTE works with you to protect the environment.
For more product details, please visit GIGABYTE's website.
GA-H310TN-R2
User's Manual
Rev. 1001
Copyright
© 2019 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:
Motherboard
GA-H310TN-R2
Jun. 28, 2019
Jun. 28, 2019
Motherboard
GA-H310TN-R2
- 3 -
Table of Contents
GA-H310TN-R2 Motherboard Layout .............................................................................. 4
Chapter 1 Hardware Installation .....................................................................................5
1-1 Installation Precautions .................................................................................... 5
1-2 ProductSpecications ...................................................................................... 6
1-3 Installing the CPU ............................................................................................ 8
1-4 Installing the Memory ....................................................................................... 8
1-5 Installing an Expansion Card ........................................................................... 9
1-6 Back Panel Connectors .................................................................................... 9
1-7 Internal Connectors ........................................................................................ 11
Chapter 2 BIOS Setup ..................................................................................................20
2-1 Main ............................................................................................................... 20
2-2 M.I.T. .............................................................................................................. 21
2-3 System ........................................................................................................... 26
2-4 BIOS ............................................................................................................... 27
2-5 Peripherals ..................................................................................................... 30
2-6 Chipset ........................................................................................................... 32
2-7 Power ............................................................................................................. 33
2-8 Save & Exit ..................................................................................................... 35
Chapter 3 Appendix ......................................................................................................36
Drivers Installation ..................................................................................................... 36
Regulatory Statements .............................................................................................. 37
Contact Us ................................................................................................................ 39
- 4 -
GA-H310TN-R2 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
5 GA-H310TN-R2 motherboard 5 One SATA power cable
5 Motherboard driver disc 5 Two SATA cables
5 User's Manual 5 Two I/O Shields (high/low)
5 One COM port cable
DC_PWR
ATX_12V
80
60
30
F_USB30
CPU_FAN
LGA1151
BAT
SATA_PWR
Intel
®
H310
M_BIOS
SYS_FAN
GA-H310TN-R2
MIC_IN
FPD_PWR
COMA
CNVI
SATA3
SATA3
0
1
FPD
F_PANEL
LVDS
(Note)
M2A
LINE_OUT
F_AUDIO
CODEC
SPKR
BAT_CON
Realtek
®
GbE LAN
iTE
®
Super I/O
(Note)
F_USB
TPM IC
SPEAKER
CLR_CMOS
CI
LCD_VCC
COMB
DP_HDMI
LAN
R_USB30
R_USB
DDR4_1
DDR4_2
BL_SW
MON_SW
(Note) The connector/chip is on the back of the motherboard.
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 Support for 9th and 8th Generation Intel
®
Core
™
i9 processors/Intel
®
Core
™
i7
processors/Intel
®
Core
™
i5 processors/Intel
®
Core
™
i3 processors/Intel
®
Pentium
®
processors/Intel
®
Celeron
®
processors in the LGA1151 package
(Go to GIGABYTE's website for the latest CPU support list.)
L3 cache varies with CPU
Chipset Intel
®
H310 Express Chipset
Memory 2 x DDR4 SO-DIMM sockets supporting up to 32 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 (operate in
non-ECC mode)
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
* To support 2666 MHz, you must install a 9th or 8th Generation Intel
®
Core
™
i9/i7/i5
processor.
(Go to GIGABYTE's website for the latest supported memory speeds and memory
modules.)
Onboard
Graphics
Integrated Graphics Processor-Intel
®
HD Graphics support:
- 1 x DisplayPort, supporting a maximum resolution of 4096x2304@60 Hz
* Support for DisplayPort 1.2 version, HDCP 2.2, and HDR.
- 1 x HDMI port, supporting a maximum resolution of 4096x2160@30 Hz
* Support for HDMI 1.4 version and HDCP 2.2.
Maximum shared memory of 1 GB
Audio Realtek
®
ALC887 codec
HighDenitionAudio
2/4/5.1-channel
LAN Realtek
®
GbE LAN chip (10/100/1000 Mbit)
TPM Inneonchip,supportingTPM2.0
Expansion Slots 1 x M.2 Socket 1 connector for an Intel
®
CNVi or PCIe wireless module (CNVI)
Storage Interface Chipset:
- 1 x M.2 connector (Socket 3, M key, type 2260/2280 SATA and PCIe x4/x2
SSD support) (M2A)
- 2 x SATA 6Gb/s connectors
USB Chipset:
- 4 x USB 3.1 Gen 1 ports (2 ports on the back panel, 2 ports available through
the internal USB header)
- 4 x USB 2.0/1.1 ports (2 ports on the back panel, 2 ports available through
the internal USB header)
Internal
Connectors
1 x 4-pin ATX 12V power connector
1 x CPU fan header
1 x system fan header
2 x SATA 6Gb/s connectors
1 x M.2 Socket 3 connector
1 x SATA power connector
1 x front panel header
1 x front panel audio header
- 6 -
Internal
Connectors
1 x battery power cable connector
1 x USB 3.1 Gen 1 header
1 x USB 2.0/1.1 header
2 x serial port headers
1 x LVDS header on the back of the motherboard
1 x LVDS drive voltage jumper (LCD_VCC)
1xatpaneldisplayheader(FPD)
1xatpaneldisplaypowerjumper(FPD_PWR)
1xatpaneldisplayswitchheader(MON_SW)
1 x backlight switch header (BL_SW)
1 x speaker header (SPKR)
1 x buzzer header (SPEAKER)
1 x Clear CMOS jumper
1 x chassis intrusion header
Back Panel
Connectors
1 x DC-In power connector
2 x USB 2.0/1.1 ports
2 x USB 3.1 Gen 1 ports
1 x RJ-45 port
1 x HDMI port
1 x DisplayPort
2 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
Unique Features Support for @BIOS
Support for Q-Flash
Bundled
Software
Norton
®
Internet Security (OEM version)
Operating
System
Support for Windows 10 64-bit
Form Factor Thin Mini-ITX Form Factor; 17.0cm x 17.0cm
*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.
- 7 -
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.
Alignment KeyAlignment Key
LGA1151 CPU Socket
Pin One Corner of the CPU Socket
LGA1151 CPU
Triangle Pin One Marking on the CPU
Notch
Notch
Please visit GIGABYTE's website for details on hardware installation.
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.
- 8 -
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
DC In Power Connector
Connect the DC power to this port. This port supports 12V/19V/24V power adapter of up to 150w.
Note: The DC power jack cannot be used with the 4-pin ATX 12V power connector simultaneously as a
source of power input.
USB 2.0/1.1 Port
TheUSBportsupportstheUSB2.0/1.1specication.UsethisportforUSBdevices.
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2.0/1.1
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.
Activity LEDConnection/Speed LED
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
LAN 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.
HDMI Port
The HDMI port supports HDCP 2.2 and Dolby TrueHD and DTS HD Master
Audio formats. It also supports up to 192KHz/16bit 8-channel LPCM audio
output. You can use this port to connect your HDMI-supported monitor. The maximum supported
resolution is 4096x2160@30 Hz, but the actual resolutions supported are dependent on the monitor
being used.
After installing the HDMI/DisplayPort device, make sure to set the default sound playback device
to HDMI/DisplayPort. (The item name may differ depending on your operating system.)
- 9 -
• 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.
Line Out (Green)
The line out jack. Use this audio jack for a headphone or 2-channel speaker.
Mic In (Pink)
The Mic in jack.
- 10 -
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) CPU_FAN
3) SYS_FAN
4) SATA3_0/1
5) SATA_PWR
6) BAT
7) BAT_CON
8) F_PANEL
9) M2A
10) LVDS
(Note)
11) BL_SW
12) LCD_VCC
13) FPD
14) FPD_PWR
15) MON_SW
16) F_ AUDIO
17) SPKR
18) SPEAKER
19) F_USB
20) F_USB30
21) COMA/COMB
22) CI
23) CLR_CMOS
17
13 11
7
6
42
8
21
10
18
14
1
12
23
5 3 15
22
16
9
19
4
20
- 11 -
(Note) The connector is on the back of the motherboard.
1) ATX_12V (2x2 12V Power Connector)
This connector can be used to input power when the DC power jack on the rear panel is not connected.
However, if the DC power jack is connected, this connector can only be used to output power.
2/3) CPU_FAN/SYS_FAN (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
1 GND
2 Voltage Speed Control
3 Sense
4 PWM Speed Control
When used to input power:
Pin No. Denition
1 GND
2 GND
3 +12V
4 +12V
4) SATA3 0/1 (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.
Pin No. Denition
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
4
3
2
1
When used to output power:
Pin No. Denition
1 GND
2 GND
3 DC_OUT
4 DC_OUT
NOTE: The two connectors cannot be used simultaneously as a source of power input.
or
HDD LED
RESET SW
HDD LED
RESET SW
with
HDD LED
RESET SW
HDD LED
RESET SW
a
r
CPU_FAN
DEBUG
PORT
G.QBOFM
1
SYS_FAN
DEBUG
PORT
G.QBOFM
1
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
1
17
SATA3 0
SATA3 1
7
- 12 -
5) SATA_PWR (SATA Power Connector)
This connector provides power to installed SATA devices.
Pin No. Denition
1 VCC
2 GND
3 GND
4 +12V
6/7) BAT/BAT_CON (Battery/Battery Cable Header)
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. Unplug the battery cable from the battery cable header and wait for one minute.
3. Replace the battery cable.
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.
• Used batteries must be handled in accordance with local environmental regulations.
Pin No. Denition
1(+) RTC Power
2(-) GND
1
F_USB30
F_U
B_
F_  F_ 

_
B
BS_
B
SB_
B
_S

S_
_
B
_U
_
B

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
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  _
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

B_
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_
2(-)
1(+)
- 13 -
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.
9
NC
PLED-
PW-
PLED+
PW+
HD-
RES+
HD+
RES-
Power Switch
Hard Drive
Activity LED
Reset Switch
Power LED
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.
• 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 Management," for more
information).
• 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.
• NC (Purple):
No connection.
• PLED (Power LED, Yellow):
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).
10
12
9) M2A (M.2 Socket 3 Connector)
The M.2 connector supports M.2 SATA SSDs and M.2 PCIe SSDs.
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_
F_USB3

F_USB303

_

_3U
S_
80
60
- 14 -
10) LVDS (LVDS Header)
LVDS stands for Low-voltage differential signaling, which uses high-speed analog circuit techniques to
provide multigigabit data transfers on copper interconnects and is a generic interface standard for high-
speed data transmission.
(Note) Connects to the ground pin of the LVDS.
11) BL_SW (Back Light Switch)
The Back Light switch provides the function for screen back light adjustment.
Pin No. Denition
1 BL_DOWN
2 BL_UP
Pin No. Denition Pin No. Denition Pin No. Denition
1
+RXO3
15
+RXE0
29
GND
2
–RXO3
16
–RXE0
30
GND
3
+RXO2
17
GND
31
NC
4
–RXO2
18
LVD_VCC
32
Backlight Enable
5
+RXO1
19
LVD_VCC
33
Backlight Control
6
–RXO1
20
LVD_VCC
34
+RXE_CLK
7
+RXO0
21
NC
35
-RXE_CLK
8
–RXO0
22
NC
36
FPD_PWR
9
+RXE3
23
GND
37
FPD_PWR
10
–RXE3
24
Panel Detect
(Note)
38
FPD_PWR
11
+RXE2
25
GND
39
NC
12
–RXE2
26
+RXO_CLK
40
NC
13
+RXE1
27
-RXO_CLK
14
–RXE1
28
GND
1
1
40
- 15 -
13) FPD (Flat Panel Display Header)
The FPD is a high-speed interface connecting the output of a video controller in a laptop computer, computer
monitor or LCD television set to the display panel. Most laptops, LCD computer monitors and LCD TVs use
this interface internally. TheheaderconformstoFPDspecication.
1
8
Pin No. Denition
1 BKLT_EN
2 BKLT_PWM
3 BKLT_PWR (FPD_PWR)
4 BKLT_PWR (FPD_PWR)
5 BKLT_GND/Brightness_GND
6 BKLT_GND/Brightness_GND
7 Brightness_Up
8 Brightness_Down
1
1
14) FPD_PWR (Flat Panel Display Power Jumper)
This jumper allows you to select the required operating voltage for the backlight panel. Makesuretheat
panel display supports DC In power voltage. If not, use a DC In adapter that meets the power voltage
specicationofyouratpaneldisplay.
1-2 Close: Set to 12V. (Default)
2-3 Close: Set to DC In.
12) LCD_VCC (LVDS Drive Voltage Jumper)
This jumper can be used to provide different screen voltage settings.
1
1
1-2 Close: Set to 3V. (Default)
2-3 Close: Set to 5V.
- 16 -
16) 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
1 MIC2_L
2 GND
3 MIC2_R
4 -ACZ_DET
5 LINE2_R
6 Sense
7 FAUDIO_JD
8 No Pin
9 LINE2_L
10 Sense
17) SPKR (Speaker Header)
This speaker header is connected to a L/R audio pins from the board to support the 3W (4ohm) stereo
speaker on your AIO chassis.
Pin No. Denition
1 Speaker OUT R-
2 Speaker OUT R+
3 Speaker OUT L-
4 Speaker OUT L+
15) MON_SW (Flat Panel Display Switch Header)
This header allows you to connect an on/off switch for the display.
Pin No. Denition
1 Mon_SW
2 GND
1
4
1
2
910
1
- 17 -
18) SPEAKER (Buzzer Header)
Connects to the buzzer 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
2 NC
3 NC
4 SPK-
19) F_USB (USB 2.0/1.1 Header)
Theheaderconforms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.
Pin No. Denition Pin No. Denition Pin No. Denition
1 VBUS 8 D1- 15 SSTX2-
2 SSRX1- 9 D1+ 16 GND
3 SSRX1+ 10 NC 17 SSRX2+
4 GND 11 D2+ 18 SSRX2-
5 SSTX1- 12 D2- 19 VBUS
6 SSTX1+ 13 GND 20 No Pin
7 GND 14 SSTX2+
20) 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.
1
1
2
10
9
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_
F_USB3

F_USB303

_

_3U
S_
10
201
11
- 18 -
1
22) 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
2 GND
23) 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
21) COMA/COMB (Serial Port Headers)
Each 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
1 NDCD-
2 NDSR-
3 NSIN
4 NRTS-
5 NSOUT
6 NCTS-
7 NDTR-
8 NRI-
9 GND
10 NC
10
9
2
1
- 19 -
Chapter 2 BIOS Setup
2-1 Main
Once you enter the BIOS Setup program, the Main Menu (as shown below) appears on the screen. Use arrow
keys to move among the items and press <Enter> to accept or enter a sub-menu.
Main Menu Help
The on-screen description of a highlighted setup option is displayed on the bottom line of the Main Menu.
Submenu Help
While in a submenu, press <F1> to display a help screen (General Help) of function keys available for the menu.
Press <Esc> to exit the help screen. Help for each item is in the Item Help block on the right side of the submenu.
(Sample BIOS Version: F1)
• When the system is not stable as usual, select the Restore 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.
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.)
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Gigabyte C246N-WU2 User manual

C246N-WU2
Gigabyte
Brand
Gigabyte
Model
C246N-WU2
Category
Motherboards
Type
User manual
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