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Table of Contents
Related Manuals for Gigabyte GA-B75N
Summary of Contents for Gigabyte GA-B75N
- Page 1 GA-B75N User's Manual Rev. 1001 12ME-B75N-1001R...
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Page 3: Identifying Motherboard Revision
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 specifications and features in this manual may be made by GIGABYTE without prior notice. -
Page 4: Table Of Contents
Table of Contents GA-B75N Motherboard Layout ..................5 GA-B75N Motherboard Block Diagram ................6 Chapter 1 Hardware Installation ..................7 Installation Precautions ..................7 1-2 Product Specifications ..................8 Installing the CPU and CPU Cooler ............... 10 Installing the Memory ..................11 Installing an Expansion Card ................. 11 Back Panel Connectors .................. -
Page 5: Ga-B75N Motherboard Layout
GA-B75N Motherboard Layout SATA3 F_PANEL SATA2 SATA2 KB_USB3 F_USB1 DOUBLE_HDMI Super I/O (Note) Intel ® CLR_CMOS ATX_12V SYS_FAN Realtek USB_LAN2 GbE LAN LGA1155 USB_LAN1 Realtek GbE LAN F_AUDIO SPDIF_O CPU_FAN AUDIO PCIEX16 M_BIOS B_BIOS CODEC Box Contents 5 GA-B75N motherboard... -
Page 6: Ga-B75N Motherboard Block Diagram
GA-B75N Motherboard Block Diagram 1 PCI Express x16 CPU CLK+/- (100 MHz) PCIe CLK LGA1155 (100 MHz) DDR3 1600/1333/1066/800 MHz Dual Channel Memory PCI Express Bus HDMI RJ45 RJ45 DVI-I Realtek Realtek GbE LAN GbE LAN Dual BIOS PCI Express Bus 4 USB 3.0/2.0... -
Page 7: Chapter 1 Hardware Installation
Chapter 1 Hardware Installation 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. •... -
Page 8: 1-2 Product Specifications
Pentium processors/Intel Celeron processors ® ™ ® ® ® ® in the LGA1155 package (Go to GIGABYTE's website for the latest CPU support list.) L3 cache varies with CPU Š Chipset Intel B75 Express Chipset Š ® Memory 2 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory Š... - Page 9 Internal 1 x USB 3.0/2.0 header Š Connectors 1 x USB 2.0/1.1 header Š 1 x CPU fan header Š 1 x system fan header Š 1 x front panel header Š 1 x front panel audio header Š 1 x S/PDIF Out header Š...
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Page 10: Installing The Cpu And Cpu Cooler
Š * GIGABYTE reserves the right to make any changes to the product specifications 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. Installing the CPU and CPU Cooler Read the following guidelines before you begin to install the CPU: •... -
Page 11: Installing 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. -
Page 12: Back Panel Connectors
Back Panel Connectors PS/2 Keyboard/Mouse Port Use this port to connect a PS/2 mouse or keyboard. USB 3.0/2.0 Port The USB 3.0 port supports the USB 3.0 specification and is compatible to the USB 2.0/1.1 specification. Use this port for USB devices such as a USB keyboard/mouse, USB printer, USB flash drive and etc. HDMI Port HDMI (High-Definition Multimedia Interface) is an all-digital audio/video interface capable of transmitting uncompressed audio/video signals. The HDMI port is HDCP compliant and supports Dolby TrueHD 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 audio/video device. - Page 13 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. Connection/ Connection/Speed LED: Activity LED: Speed LED Activity LED State Description State Description Orange 1 Gbps data rate...
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Page 14: Internal Connectors
Internal Connectors 11 12 ATX_12V F_PANEL F_AUDIO CPU_FAN F_USB30 SYS_FAN F_USB1 SATA3 0 SPDIF_O SATA2 1/2/3 CLR_CMOS Read the following guidelines before connecting external devices: • First make sure your devices are compliant with the connectors you wish to connect. •... - Page 15 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, first 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.
- Page 16 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 motherboard supports CPU fan speed control, which requires the use of a CPU fan with fan speed control design.
- Page 17 6) SATA3 0 (SATA 6Gb/s Connector) The SATA connector 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. Definition SATA3 7) SATA2 1/2/3 (SATA 3Gb/s Connectors) The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s standard. Each SATA connector supports a single SATA device.
- Page 18 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. Reset Hard Drive Activity LED Switch Power Message/ Switch...
- Page 19 9) F_AUDIO (Front Panel Audio Header) The front panel audio header supports Intel High Definition 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. For HD Front Panel Audio: For AC'97 Front Panel Audio: Pin No.
- Page 20 11) F_USB1 (USB Header) The header conforms to USB 2.0/1.1 specification. 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. Definition Power (5V) Power (5V) USB DX- USB DY- USB DX+ USB DY+ No Pin • Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB header. •...
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Page 21: Clear Cmos Jumper
13) 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. -
Page 22: Chapter 2 Bios Setup
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. -
Page 23: The Main Menu
The Main Menu A. The 3D BIOS Screen (Default) On GIGABYTE's uniquely designed 3D BIOS screen, you can use your mouse to move through the motherboard image and click to enter the function menu in each area for quick configuration. For example, pass your mouse arrow over the CPU and memory sockets and enter the System Tuning menu to configure CPU/memory frequency, memory timings, and voltage settings. For more detailed configuration items, you can click the function menu icons at the bottom of the screen or press <F1>... -
Page 24: M.i.t
BIOS Setup Menus „ M.I.T. Use this menu to configure the clock, frequency, and voltages of your CPU and memory, etc. Or check the system/CPU temperatures, voltages, and fan speeds. „ System Use this menu to configure the default language used by the BIOS and system time and date. This menu also displays information on the devices connected to the SATA ports. „ BIOS Features Use this menu to configure the device boot order, advanced features available on the CPU, and the primary display adapter. „ Peripherals Use this menu to configure all peripheral devices, such as SATA, USB, integrated audio, and integrated LAN, etc. „ Power Management Use this menu to configure all the power-saving functions. „ Save & Exit Save all the changes made in the BIOS Setup program to the CMOS and exit BIOS Setup. - Page 25 This section provides information on the BIOS version, CPU base clock, CPU frequency, memory frequency, total memory size, CPU temperature, Vcore, and memory voltage. ` M.I.T. Current Status This screen provides information on CPU/memory frequencies/parameters. ` Advanced Frequency Settings & Processor Graphics Clock Allows you to set the onboard graphics clock. The adjustable range is from 400 MHz to 1600 MHz. (Default: Auto) - 25 -...
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Page 26: Cpu Clock Ratio
& 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 Features & CPU Clock Ratio, CPU Frequency The settings above are synchronous to those under the same items on the Advanced Frequency Settings menu. & Intel(R) Turbo Boost Technology (Note) Allows you to determine whether to enable the Intel CPU Turbo Boost technology. Auto lets the BIOS automatically configure this setting. (Default: Auto) &... - Page 27 & Hyper-Threading Technology (Note 1) Allows you to determine whether to enable multi-threading technology when using an Intel CPU that supports this function. This feature only works for operating systems that support multi-processor mode. Auto lets the BIOS automatically configure this setting. (Default: Auto) & CPU Enhanced Halt (C1E) (Note 1) Enables or disables Intel CPU Enhanced Halt (C1E) function, a CPU power-saving function in system halt state.
- Page 28 ` Advanced Memory Settings & Extreme Memory Profile (X.M.P.) , System Memory Multiplier, Memory Frequency (MHz) (Note) The settings above are synchronous to those under the same items on the Advanced Frequency Settings menu. & Performance Enhance Allows the system to operate at three different performance levels. Lets the system operate at its basic performance level. Normal Lets the system operate at its good performance level.
- Page 29 Channel A/B Timing Settings This sub-menu provides memory timing settings for each channel of memory. The respective timing setting screens are configurable only when DRAM Timing Selectable is set to Quick or Expert. Note: Your system may become unstable or fail to boot after you make changes on the memory timings. If this occurs, please reset the board to default values by loading optimized defaults or clearing the CMOS values.
- Page 30 ` PC Health Status & CPU Vcore/Dram Voltage/+3.3V/+12V Displays the current system voltages. & CPU/System Temperature Displays current CPU/system temperature. & CPU/System FAN Speed Displays current CPU/system fan speeds. & CPU Fan Speed Control Allows you to determine whether to enable the CPU fan speed control function and adjust the fan speed. Allows the CPU fan to run at different speeds according to the CPU temperature. You can Normal adjust the fan speed with EasyTune based on your system requirements. (Default) Allows the CPU fan to run at slow speeds.
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Page 31: Miscellaneous Settings
` Miscellaneous Settings & PEG - Gen X Allows you to set the operation mode of the PCI Express slots to Gen 1, Gen 2, or Gen 3. Actual operation mode is subject to the hardware specification of each slot. For example, the PCI Express x1 slots can support up to Gen 2 mode only. Auto lets the BIOS automatically configure this setting. (Default: Auto) & Legacy BenchMark Enhancement Allows you to determine whether to enhance some legacy benchmark performance. -
Page 32: System
System This section provides information on your motherboard model and BIOS version. You can also select the default language used by the BIOS and manually set the system time. & System Language Selects the default language used by the BIOS. &... -
Page 33: 2-5 Bios Features
2-5 BIOS Features & Boot Option Priorities Specifies the overall boot order from the available devices. For example, you can set hard drive as the first priority (Boot Option #1) and DVD ROM drive as the second priority (Boot Option #2). The list only displays the device with the highest priority for a specific type. For example, only hard drive defined as the first priority on the Hard Drive BBS Priorities submenu will be presented here. Removable storage devices that support GPT format will be prefixed with "UEFI:" string on the boot device list. To boot from an operating system that supports GPT partitioning, select the device prefixed with "UEFI:" string. Or if you want to install an operating system that supports GPT partitioning such as Windows 7 64-bit, select the optical drive that contains the Windows 7 64-bit installation disk and is prefixed with "UEFI:" string. - 33 -... -
Page 34: Bootup Numlock State
A password is required for booting the system and for entering the BIOS Setup program. System (Default) & Full Screen LOGO Show Allows you to determine whether to display the GIGABYTE Logo at system startup. Disabled skips the GIGABYTE Logo when the system starts up. (Default: Enabled) & Limit CPUID Maximum (Note) Allows you to determine whether to limit CPUID maximum value. -
Page 35: Network Stack
& Storage Boot Option Control Allows you to select whether to enable the UEFI or legacy option ROM for the storage device controller. Disables option ROM. Disabled UEFI Only Enables UEFI Option ROM only. Legacy Only Enables legacy Option ROM only. (Default) Enables UEFI Option ROM first. Legacy First UEFI First Enables Legacy Option ROM first. -
Page 36: Peripherals
Peripherals & SATA Controller(s) Enables or disables the integrated SATA controllers. (Default: Enabled) & SATA Mode Selection Allows you to decide whether to configure the SATA controller integrated in the Chipset to AHCI mode. IDE C onfigures the SATA controller to IDE mode. AHCI C onfigures the SATA controller to AHCI mode. Advanced Host Controller Interface (AHCI) is an interface specification that allows the storage driver to enable advanced Serial ATA features such as Native Command Queuing and hot plug. (Default) - 36 -... -
Page 37: Xhci Mode
& xHCI Pre-Boot Driver The USB 3.0 ports are routed to the xHCI controller before booting to OS. (Default) Enabled The USB 3.0 ports are routed to the EHCI controller before booting to OS. Disabled If you want to set xHCI Mode below to Smart Auto, set this item to Enabled; when this item is set to Disabled, xHCI Mode will be automatically set to Auto. -
Page 38: Internal Graphics
& Internal Graphics Enables or disables the onboard graphics function. (Default: Auto) & Internal Graphics Memory Size Allows you to set the onboard graphics memory size. Options are: 32M~1024M. (Default: 64M) & DVMT Total Memory Size Allows you to allocate the DVMT memory size of the onboard graphics. Options are: 128M, 256M, MAX. (Default: MAX) &... -
Page 39: Power Management
Power Management & Resume by Alarm Determines whether to power on the system at a desired time. (Default: Disabled) If enabled, set the date and time as following: Wake up day: Turn on the system at a specific time on each day or on a specific day in a month. Wake up hour/minute/second: Set the time at which the system will be powered on automatically. - Page 40 & Internal Graphics Deep Standby Mode Allows you to determine whether to let the onboard graphics enter deeper standby mode. (Default: Enabled) & AC BACK Determines the state of the system after the return of power from an AC power loss. The system returns to its last known awake state upon the return of the AC power.
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Page 41: Save & Exit
Save & Exit & Save & Exit Setup Press <Enter> on this item and select Yes. This saves the changes to the CMOS and exits the BIOS Setup program. Select No or press <Esc> to return to the BIOS Setup Main Menu. &... -
Page 42: Chapter 3 Drivers Installation
Chapter 3 Drivers Installation • Before installing the drivers, first install the operating system. • After installing the operating system, insert the motherboard driver disk into your optical drive. The driver Autorun screen is automatically displayed which looks like that shown in the screen shot below. (If the driver Autorun screen does not appear automatically, go to My Computer, double-click the optical drive and execute the Run.exe program.) After inserting the driver disk, "Xpress Install"... -
Page 43: Regulatory Statements
"end of life" product. Restriction of Hazardous Substances (RoHS) Directive Statement GIGABYTE products have not intended to add and safe from hazardous substances (Cd, Pb, Hg, Cr+6, PBDE and PBB). The parts and components have been carefully selected to meet RoHS requirement. Moreover, we at GIGABYTE are continuing our efforts to develop products that do not use internationally banned toxic chemicals. - Page 44 Tech. and Non-Tech. Support (Sales/Marketing) : http://ggts.gigabyte.com.tw WEB address (English): http://www.gigabyte.com WEB address (Chinese): http://www.gigabyte.tw You may go to the GIGABYTE website, select your language in the language list on the top right corner of the website. GIGABYTE Global Service System •...