GA-B85N-WIFI
User's Manual
Rev. 1101
12ME-B85NWIF-1101R
Motherboard
GA-B85N-WIFI
Jan. 3, 2014
Jan. 3, 2014
Motherboard
GA-B85N-WIFI
Wireless Module Country Approvals:
See the latest safety and regulatory documents at GIGABYTE's website.
- 3 -
Copyright
© 2014 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 specications 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: http://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:
- 4 -
Table of Contents
GA-B85N-WIFI Motherboard Layout ...............................................................................5
GA-B85N-WIFI Motherboard Block Diagram ...................................................................6
Chapter 1 Hardware Installation .....................................................................................7
1-1 Installation Precautions .................................................................................... 7
1-2 Product Specications ...................................................................................... 8
1-3 Installing the CPU .......................................................................................... 10
1-4 Installing the Memory ..................................................................................... 10
1-5 Installing an Expansion Card ......................................................................... 11
1-6 Back Panel Connectors .................................................................................. 11
1-7 Internal Connectors ........................................................................................ 13
Chapter 2 BIOS Setup ..................................................................................................18
2-1 Startup Screen ............................................................................................... 19
2-2 M.I.T. .............................................................................................................. 19
2-3 System Information ........................................................................................ 24
2-4 BIOS Features ............................................................................................... 25
2-5 Peripherals ..................................................................................................... 28
2-6 Power Management ....................................................................................... 30
2-7 Save & Exit ..................................................................................................... 31
Chapter 3 Appendix ......................................................................................................32
Drivers Installation ..................................................................................................... 32
Regulatory Statements .............................................................................................. 33
Contact Us ................................................................................................................ 36
- 5 -
GA-B85N-WIFI 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-B85N-WIFI motherboard
5 Wireless module driver disk 5 Two SATA cables
5 Motherboard driver disk 5 I/O Shield
5 User's Manual 5 One antenna
KB_MS_USB
CPU_FANSYS_FAN
LGA1150
ATX
GA-B85N-WIFI
AUDIO
USB_DAC
B_BIOS
DDR3_1
DDR3_2
SATA2
ATX_12V
Intel
®
B85
USB_HDMI
USB30_LAN
ANTENNA_
BRACKET
CODEC
F_AUDIO
CLR_CMOS
M_BIOS
DVI
WIFI Module
PCIEX16
CI
SPDIF_O
iTE
®
Super I/O
Intel
®
GbE
LAN
MSATA
F_USB
F_USB30
F_PANELCOM
BAT
SATA3
SATA3
0 1
2
- 6 -
GA-B85N-WIFI Motherboard Block Diagram
PS/2 KB/Mouse
LGA1150
CPU
Intel
®
B85
PCIe CLK
(100 MHz)
CPU CLK+/- (100 MHz)
1 PCI Express x16
Dual BIOS
COM
4 USB 3.0/2.0
7 USB 2.0/1.1
LPC
Bus
DDR3 1600/1333 MHz
LAN
RJ45
PCI Express Bus
PCI Express Bus
PCIe CLK
(100 MHz)
Intel
®
GbE
LAN
1 SATA 3Gb/s
1 mSATA 6Gb/s
3 SATA 6Gb/s
DVI-I
HDMI
DMI 2.0
FDI
x16
Dual Channel Memory
x1
x1
iTE
®
Super I/O
For detailed product information/limitation(s), refer to "1-2 Product Specications."
Line Out
MIC
Line In
S/PDIF Out
Side Speaker Out
CODEC
Center/Subwoofer
Speaker Out
Rear Speaker Out
Mini PCIe
(for WiFi Module only)
- 7 -
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 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 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 certied computer technician.
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1-2 ProductSpecications
CPU Support for Intel
®
Core
™
i7 processors/Intel
®
Core
™
i5 processors/
Intel
®
Core
™
i3 processors/Intel
®
Pentium
®
processors/
Intel
®
Celeron
®
processors in the LGA1150 package
(Go to GIGABYTE's website for the latest CPU support list.)
L3 cache varies with CPU
Chipset Intel
®
B85 Express Chipset
Memory 2 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory
* Due to a Windows 32-bit operating system limitation, when more than 4 GB of physical
memory is installed, the actual memory size displayed will be less than the size of
the physical memory installed.
Dual channel memory architecture
Support for DDR3 1600/1333 MHz memory modules
Support for non-ECC memory modules
Support for Extreme Memory Prole (XMP) memory modules
(Go to GIGABYTE's website for the latest supported memory speeds and memory
modules.)
Onboard
Graphics
Integrated Graphics Processor:
- 1 x DVI-I port, supporting a maximum resolution of 2560x1600
* Support for 2560x1600 resolution requires both a monitor and cable that support
Dual Link DVI.
- 1 x HDMI port, supporting a maximum resolution of 4096x2160
* Support for HDMI 1.4a version.
- Maximum shared memory of 1 GB
Audio Realtek
®
ALC898 codec
High Denition Audio
2/4/5.1/7.1-channel
Support for S/PDIF Out
LAN Intel
®
GbE LAN chip (10/100/1000 Mbit)
Wireless
Communication
Module
Wi-Fi 802.11 a/b/g/n/ac, supporting 2.4/5 GHz Dual-Band
Bluetooth 4.0, 3.0+HS, 2.1+EDR
Support for 11ac wireless standard and up to 867 Mbps data rate
* Actual data rate may vary depending on environment and equipment.
Expansion Slots 1 x PCI Express x16 slot, running at x16
(The PCIEX16 slot conforms to PCI Express 3.0 standard.)
1 x mini-PCI Express slot for the wireless communication module
Storage Interface Chipset:
- 3 x SATA 6Gb/s connectors (SATA3 0~2)
- 1 x SATA 3Gb/s connector (SATA2)
- 1 x mSATA 6Gb/s connector
USB Chipset:
- 4 x USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through
the internal USB header)
- 7 x USB 2.0/1.1 ports (5 ports on the back panel, 2 ports available through
the internal USB header)
Internal
Connectors
1 x 24-pin ATX main power connector
1 x 4-pin ATX 12V power connector
- 9 -
Internal
Connectors
3 x SATA 6Gb/s connectors
1 x SATA 3Gb/s connector
1 x mSATA 6Gb/s connector
1 x CPU fan header
1 x system fan header
1 x front panel header
1 x front panel audio header
1 x S/PDIF Out header
1 x USB 3.0/2.0 header
1 x USB 2.0/1.1 header
1 x serial port header
1 x chassis intrusion header
1 x Clear CMOS jumper
Back Panel
Connectors
1 x PS/2 keyboard/mouse port
1 x DVI-I port
1 x HDMI port
2 x antenna connectors
2 x USB 3.0/2.0 ports
5 x USB 2.0/1.1 ports
1 x RJ-45 port
1 x optical S/PDIF Out connector
5 x audio jacks (Center/Subwoofer Speaker Out, Rear Speaker Out, Line In,
Line Out, Mic In)
I/O Controller iTE
®
I/O Controller Chip
Hardware
Monitor
System voltage detection
CPU/System temperature detection
CPU/System fan speed detection
CPU/System fan speed control
* Whether the fan speed control function is supported will depend on the cooler you
install.
BIOS 2 x 64 Mbit ash
Use of licensed AMI UEFI BIOS
Support for DualBIOS
™
PnP 1.0a, DMI 2.0, SM BIOS 2.6, ACPI 2.0a
Unique Features Support for Q-Flash
Support for Xpress Install
Support for APP Center
* Available applications in APP Center may differ by motherboard model. Supported
functions of each application may also differ depending on motherboard
specications.
- @BIOS
- EasyTune
- EZ Setup
- USB Blocker
- Smart TimeLock
- Smart Recovery 2
Support for ON/OFF Charge
Support for Wi-Fi Share
Support for Cloud Station
- 10 -
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 specications. It is not recommended
that the system bus frequency be set beyond hardware specications since it does not meet the
standard requirements for the peripherals. If you wish to set the frequency beyond the standard
specications, please do so according to your hardware specications 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.
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.
Notch
Alignment KeyAlignment Key
Notch
LGA1150 CPULGA1150 CPU Socket
Pin One Corner of the CPU Socket Triangle Pin One Marking on the CPU
Bundled
Software
Norton
®
Internet Security (OEM version)
Intel
®
Rapid Start Technology
Intel
®
Smart Connect Technology
Intel
®
Small Business Advantage
Operating
System
Support for Windows 8.1/8/7
Form Factor Mini-ITX Form Factor; 17.0cm x 17.0cm
* GIGABYTE reserves the right to make any changes to the product specications and product-related information without
prior notice.
* Please visit the Support & Downloads\Utility page on GIGABYTE's website to check the supported operating system(s)
for the software listed in the "Unique Features" and "Bundled Software" columns.
- 11 -
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
USB 2.0/1.1 Port
The USB port supports the USB 2.0/1.1 specication. Use this port for USB devices such as a USB
keyboard/mouse, USB printer, USB ash drive and etc.
PS/2 Keyboard/Mouse Port
Use this port to connect a PS/2 mouse or keyboard.
Antenna Connector
Use this connector to connect an antenna.
DualChannelMemoryConguration
This motherboard provides two DDR3 memory sockets and supports Dual Channel Technology. After the memory
is installed, the BIOS will automatically detect the specications and capacity of the memory. Enabling Dual
Channel memory mode will double the original memory bandwidth.
The two DDR3 memory sockets are divided into two channels and each channel has one memory socket as
following:
Channel A: DDR3_1
Channel B: DDR3_2
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 DDR3 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 for optimum performance.
Tighten the antenna cables to the antenna connectors and then move the antenna to a place
where the signal is good.
DVI-I Port
The DVI-I port conforms to the DVI-I specication and supports a maximum resolution of 2560x1600.
Connect a monitor that supports DVI-I connection to this port. Please note that the actual resolutions
supported are dependent on the monitor being used and support for 2560x1600 resolution requires both
a monitor and cable that support Dual Link DVI.
• 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.
- 12 -
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
HDMI Port
The HDMI port is HDCP compliant and supports Dolby True HD and DTS HD
Master Audio formats. It also supports up to 192KHz/24bit 8-channel LPCM audio
output. You can use this port to connect your HDMI-supported monitor. The maximum supported resolution
is 4096x2160, but the actual resolutions supported are dependent on the monitor being used.
The audio jacks can be recongured to perform different functions via the audio software (supported
functions for each jack may vary based on hardware specication). If you install a Side Speaker, you
need to retask other audio jack to be Side Speaker out. Only microphones still MUST be connected
to the default Mic in jack.
After installing the HDMI device, make sure to set the default sound playback device to HDMI.
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.
USB 3.0/2.0 Port
The USB 3.0 port supports the USB 3.0 specication and is compatible to the USB 2.0/1.1 specication.
Use this port for USB devices such as a USB keyboard/mouse, USB printer, USB ash drive and etc.
USB 2.0/1.1 Port
The USB port supports the USB 2.0/1.1 specication. You can connect a USB DAC to this port or use this
port for USB devices such as a USB keyboard/mouse, USB printer, USB ash drive and etc.
Center/Subwoofer Speaker Out Jack (Orange)
Use this audio jack to connect center/subwoofer speakers in a 5.1/7.1-channel audio conguration.
Rear Speaker Out Jack (Black)
This jack can be used to connect front speakers in a 4/5.1/7.1-channel audio conguration.
Optical S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital optical audio.
Before using this feature, ensure that your audio system provides an optical digital audio in connector.
Line In Jack (Blue)
The line out jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out Jack (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 conguration.
Mic In Jack (Pink)
The default Mic in jack. Microphones must be connected to this jack.
- 13 -
1-7 Internal Connectors
Read the following guidelines before connecting external devices:
• First make sure your devices are compliant with the connectors you wish to connect.
• Before installing the devices, be sure to turn off the devices and your computer. Unplug the power
cord from the power outlet to prevent damage to the devices.
• After installing the device and before turning on the computer, make sure the device cable has
been securely attached to the connector on the motherboard.
1) ATX_12V
2) ATX
3) CPU_FAN
4) SYS_FAN
5) BAT
6) SATA3 0/1/2
7) SATA2
8) F_PANEL
9) F_AUDIO
10) SPDIF_O
11) F_USB30
12) F_USB
13) COM
14) CLR_CMOS
15) CI
5
813141 34
9 61015
2
7
6
12
11
- 14 -
1/2) ATX_12V/ATX (2x2 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.
3/4) 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.
ATX_12V:
Pin No. Denition
1 GND
2 GND
3 +12V
4 +12V
ATX_12V
DEBUG
PORT
G.QBOFM
131
24
12
ATX
ATX:
Pin No. Denition Pin No. Denition
1 3.3V 13 3.3V
2 3.3V 14 -12V
3 GND 15 GND
4 +5V 16 PS_ON (soft On/Off)
5 GND 17 GND
6 +5V 18 GND
7 GND 19 GND
8 Power Good 20 -5V
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)
CPU_FAN: SYS_FAN:
Pin No. Denition
1 GND
2 +12V
3 Sense
4 Speed Control
Pin No. Denition
1 GND
2 +12V/Speed Control
3 Sense
4 VCC
• 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 conguration jumper blocks. Do not place a jumper cap on the headers.
2
1
4
3
SYS_FANCPU_FAN
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
1 1
- 15 -
6) SATA3 0/1/2 (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.
7) SATA2 (SATA 3Gb/s Connector)
The SATA connector conforms to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s standard.
Each SATA connector supports a single SATA device.
Pin No. Denition
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
Pin No. Denition
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
5) BAT (Battery)
The battery provides power to keep the values (such as BIOS congurations, 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. Danger of explosion 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.
7
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
1
1
1
7
7
SATA2
SATA3
SATA3
1
0
2
- 16 -
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, Red):
Connects to the power switch on the chassis front panel. You may congure
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).
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.
9) F_AUDIO (Front Panel Audio Header)
The front panel audio header supports Intel High Denition audio (HD) and AC'97 audio. 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.
10
9
2
1
For HD Front Panel Audio: For AC'97 Front Panel Audio:
Pin No. Denition
1 MIC2_L
2 GND
3 MIC2_R
4 -ACZ_DET
5 LINE2_R
6 GND
7 FAUDIO_JD
8 No Pin
9 LINE2_L
10 GND
Pin No. Denition
1 MIC
2 GND
3 MIC Power
4 NC
5 Line Out (R)
6 NC
7 NC
8 No Pin
9 Line Out (L)
10 NC
• The front panel audio header supports HD audio by default.
• Audio signals will be present on both of the front and back panel audio connections simultaneously.
• 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.
1
2
9
10
NC
PLED-
PW-
PLED+
PW+
HD-
RES+
HD+
RES-
Power Switch
Hard Drive
Activity LED
Reset Switch
Power LED
- 17 -
12) F_USB (USB 2.0/1.1 Header)
The header conforms to USB 2.0/1.1 specication. 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. Denition Pin No. Denition
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
Pin No. Denition Pin No. Denition
1 NDCD- 6 NDSR-
2 NSIN 7 NRTS-
3 NSOUT 8 NCTS-
4 NDTR- 9 NRI-
5 GND 10 No Pin
• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB header.
• Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord from the power
outlet to prevent damage to the USB bracket.
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. Denition
1 SPDIFO
2 GND
1
11) F_USB30 (USB 3.0/2.0 Header)
The header conforms to USB 3.0/2.0 specication and can provide two USB ports. For purchasing the
optional 3.5" front panel that provides two USB 3.0/2.0 ports, please contact the local dealer.
F_USB30
F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3
S3
BSSS
U
__ 3
F_USB3F
10
20 1
11
Pin No. Denition Pin No. Denition Pin No. Denition
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+
10 9
12
13) COM (Serial Port Header)
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.
10
9
2
1
- 18 -
14) CLR_CMOS (Clear CMOS Jumper)
Use this jumper to clear the BIOS conguration 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
congure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS congurations).
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. Denition
1 Signal
2 GND
1
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 conguration 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 conguration 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.)
- 19 -
2-1 Startup Screen
The following startup Logo screen will appear when the computer boots.
(Sample BIOS Version: F1a)
Function Keys
• 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.
On the main menu of the BIOS Setup program, press arrow keys 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.
2-2 M.I.T.
Whether the system will work stably with the overclock/overvoltage settings you made is dependent on your overall
system congurations. Incorrectly doing overclock/overvoltage may result in damage to CPU, chipset, or memory
and reduce the useful life of these components. This page is for advanced users only and we recommend you not to
alter the default settings to prevent system instability or other unexpected results. (Inadequately altering the settings
may result in system's failure to boot. If this occurs, clear the CMOS values and reset the board to default values.)
This section provides information on the BIOS version, CPU base clock, CPU frequency, memory frequency,
total memory size, CPU temperature, Vcore, and memory voltage.
- 20 -
` M.I.T. Current Status
This screen provides information on CPU/memory frequencies/parameters.
` Advanced Frequency Settings
& CPU Base Clock
Allows you to manually set the CPU base clock in 0.01 MHz increments. (Default: Auto)
Important: It is highly recommended that the CPU frequency be set in accordance with the CPU
specications.
& Host/PCIe Clock Frequency
(Note)
Allows you to manually set the host clock frequency (which controls CPU, PCIe, and memory frequencies)
in 0.01 MHz increments.
This item is congurable only when CPU Base Clock is set to Manual.
& Processor Base Clock (Gear Ratio)
(Note)
Allows you to congure the Processor Base Clock by multiplying the Host/PCIe Clock Frequency by several
preset host clock multipliers. This item is congurable only when CPU Base Clock is set to Manual.
& Spread Spectrum Control
(Note)
Enables or disables CPU/PCIe Spread Spectrum. (Default: Auto)
& Host Clock Value
This value is determined by multiplying the Host/PCIe Clock Frequency value by the Processor Base
Clock (Gear Ratio) value.
& Processor Graphics Clock
Allows you to set the onboard graphics clock. The adjustable range is from 400 MHz to 4000 MHz. (Default:
Auto)
& CPU Clock Ratio
Allows you to alter the clock ratio for the installed CPU. The adjustable range is dependent on the CPU
being installed.
& CPU Frequency
Displays the current operating CPU frequency.
` Advanced CPU Core Settings
& CPU Clock Ratio, CPU Frequency
The settings above are synchronous to those under the same items on the Advanced Frequency Settings
menu.
& K OC
(Note)
Allows for increased performance by using certain CPUs. (Default: Auto)
& CPU PLL Selection
Allows you to set the CPU PLL. Auto lets the BIOS automatically congure this setting. (Default: Auto)
& Filter PLL Level
Allows you to set the Filter PLL. Auto lets the BIOS automatically congure this setting. (Default: Auto)
& Uncore Ratio
Allows you to set the CPU Uncore ratio. The adjustable range is dependent on the CPU being used.
& Uncore Frequency
Displays the current CPU Uncore frequency.
& Intel(R) Turbo Boost Technology
(Note)
Allows you to determine whether to enable the Intel CPU Turbo Boost technology. Auto lets the BIOS
automatically congure this setting. (Default: Auto)
& Turbo Ratio (1-Core Active~4-Core Active)
(Note)
Allows you to set the CPU Turbo ratios for different number of active cores. Auto sets the CPU Turbo ratios
according to the CPU specications. (Default: Auto)
(Note) This item is present only when you install a CPU that supports this feature. For more information about
Intel
®
CPUs' unique features, please visit Intel's website.
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Gigabyte GA-B85N-WIFI Manuale utente
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- Manuale utente
- Questo manuale è adatto anche per
in altre lingue
- English: Gigabyte GA-B85N-WIFI User manual
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