Manual
Page 4
Table of Contents GA-B75N Motherboard Layout 5 GA-B75N Motherboard Block Diagram 6 Chapter 1 Hardware Installation 7 1-1 Installation Precautions 7 1-2 Product Specifications 8 1-3 Installing the CPU and CPU Cooler 10 1-4 Installing the Memory 11 1-5 Installing an Expansion Card 11 1-6 Back Panel Connectors 12 1-7 Internal Connectors 14 Chapter 2 BIOS Setup 22 2-1 Startup Screen 22 2-2 The Main Menu 23 2-3 M.I.T...24 2-4 System...32 2-5 BIOS Features 33 2-6 Peripherals...36 2-7 Power Management 39 2-8 Save & Exit...41 Chapter 3 Drivers Installation 42 Regulatory Statements 43 ...
Table of Contents GA-B75N Motherboard Layout 5 GA-B75N Motherboard Block Diagram 6 Chapter 1 Hardware Installation 7 1-1 Installation Precautions 7 1-2 Product Specifications 8 1-3 Installing the CPU and CPU Cooler 10 1-4 Installing the Memory 11 1-5 Installing an Expansion Card 11 1-6 Back Panel Connectors 12 1-7 Internal Connectors 14 Chapter 2 BIOS Setup 22 2-1 Startup Screen 22 2-2 The Main Menu 23 2-3 M.I.T...24 2-4 System...32 2-5 BIOS Features 33 2-6 Peripherals...36 2-7 Power Management 39 2-8 Save & Exit...41 Chapter 3 Drivers Installation 42 Regulatory Statements 43 ...
Manual
Page 8
... slot conforms to PCI Express 3.0 standard.) * W hether PCI Express 3.0 is supported depends on CPU and graphics card compatibility. Chipset: - 1 x SATA 6Gb/s connector (SATA3 0) supporting up to 1 SATA 6Gb/s device - 3 x SATA 3Gb/s connectors (SATA2 1/2/3) supporting up to 3 SATA 3Gb/s devices Chipset: - Up to 4 USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB header) - Up to 6 USB 2.0/1.1 ports (4 ports on the back panel, 2 ports available through the internal USB header) 1 x 24-pin ATX main power connector...
... slot conforms to PCI Express 3.0 standard.) * W hether PCI Express 3.0 is supported depends on CPU and graphics card compatibility. Chipset: - 1 x SATA 6Gb/s connector (SATA3 0) supporting up to 1 SATA 6Gb/s device - 3 x SATA 3Gb/s connectors (SATA2 1/2/3) supporting up to 3 SATA 3Gb/s devices Chipset: - Up to 4 USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB header) - Up to 6 USB 2.0/1.1 ports (4 ports on the back panel, 2 ports available through the internal USB header) 1 x 24-pin ATX main power connector...
Manual
Page 9
...; 1 x Clear CMOS jumper 1 x PS/2 keyboard/mouse port 2 x HDMI ports 1 x DVI-I port 2 x USB 3.0/2.0 ports 4 x USB 2.0/1.1 ports 2 x RJ-45 ports 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 BIOS Unique Features Bundled Software System voltage detection CPU/System temperature...
...; 1 x Clear CMOS jumper 1 x PS/2 keyboard/mouse port 2 x HDMI ports 1 x DVI-I port 2 x USB 3.0/2.0 ports 4 x USB 2.0/1.1 ports 2 x RJ-45 ports 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 BIOS Unique Features Bundled Software System voltage detection CPU/System temperature...
Manual
Page 11
A memory module can be installed in Dual Channel mode. 1. If you 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 manual that the motherboard supports the memory. Enabling Dual Channel memory mode will automatically detect the specifications and capacity of the same capacity, brand, speed, and chips be used . (Go to GIGABYTE's website for optimum performance. 1-5 Installing an Expansion Card Read the following guidelines...
A memory module can be installed in Dual Channel mode. 1. If you 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 manual that the motherboard supports the memory. Enabling Dual Channel memory mode will automatically detect the specifications and capacity of the same capacity, brand, speed, and chips be used . (Go to GIGABYTE's website for optimum performance. 1-5 Installing an Expansion Card Read the following guidelines...
Manual
Page 12
... the BIOS Setup or POST process. USB 3.0/2.0 Port The USB 3.0 port supports the USB 3.0 specification and is HDCP compliant and supports Dolby TrueHD and DTS HD Master Audio formats. The maximum supported resolution is from Windows 7.) In Windows 7, select Start>Control Panel>Hardware and Sound>Sound>Playback, set the default sound playback device to HDMI. (The item name may differ depending on the monitor being used . Dual monitor confgurations are dependent on your HDMI-supported audio/video device. 1-6 Back Panel Connectors PS/2 Keyboard/Mouse Port Use this port to connect...
... the BIOS Setup or POST process. USB 3.0/2.0 Port The USB 3.0 port supports the USB 3.0 specification and is HDCP compliant and supports Dolby TrueHD and DTS HD Master Audio formats. The maximum supported resolution is from Windows 7.) In Windows 7, select Start>Control Panel>Hardware and Sound>Sound>Playback, set the default sound playback device to HDMI. (The item name may differ depending on the monitor being used . Dual monitor confgurations are dependent on your HDMI-supported audio/video device. 1-6 Back Panel Connectors PS/2 Keyboard/Mouse Port Use this port to connect...
Manual
Page 16
... correct orientation (the black connector wire is turned off. The motherboard supports CPU fan speed control, which requires the use a metal object like a screwdriver to touch the positive and negative terminals of a CPU fan with fan speed control design. Replace the battery. 4. 3/4) CPU_FAN/SYS_FAN (Fan Headers) All fan headers on the headers. 5) BAT (Battery) The battery provides power to keep the values (such as BIOS configurations, date, and time information) in the power cord and restart your computer...
... correct orientation (the black connector wire is turned off. The motherboard supports CPU fan speed control, which requires the use a metal object like a screwdriver to touch the positive and negative terminals of a CPU fan with fan speed control design. Replace the battery. 4. 3/4) CPU_FAN/SYS_FAN (Fan Headers) All fan headers on the headers. 5) BAT (Battery) The battery provides power to keep the values (such as BIOS configurations, date, and time information) in the power cord and restart your computer...
Manual
Page 19
... damage to this header. DIP 1 23 PCIe power connector (SATA)(X58A-OC) DIP 1 23 1 PWM Switch (X58A-OC) BIOS Switcher (X58A-OC) 1 M_ F_USB30 TPM w/housing 10) F_USB30 (USB 3.0/2.0 Header) DIP The header conforms to work or even damage it. Incorrect connection between the module connector and the motherboard header will be sure to turn off your chassis front panel audio module to the USB front panel. Definition Pin No. Definition 1 MIC2_L...
... damage to this header. DIP 1 23 PCIe power connector (SATA)(X58A-OC) DIP 1 23 1 PWM Switch (X58A-OC) BIOS Switcher (X58A-OC) 1 M_ F_USB30 TPM w/housing 10) F_USB30 (USB 3.0/2.0 Header) DIP The header conforms to work or even damage it. Incorrect connection between the module connector and the motherboard header will be sure to turn off your chassis front panel audio module to the USB front panel. Definition Pin No. Definition 1 MIC2_L...
Manual
Page 21
...) CLR_CMOS (Clear CMOS Jumper) Use this jumper to Chapter 2, "BIOS Setup," for BIOS configurations). - 21 - date information and BIOS configurations) and reset the CMOS values to certain expansion cards like a screwdriver to the graphics card and have digital audio output from the HDMI display at the same time. 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 factory defaults.
...) CLR_CMOS (Clear CMOS Jumper) Use this jumper to Chapter 2, "BIOS Setup," for BIOS configurations). - 21 - date information and BIOS configurations) and reset the CMOS values to certain expansion cards like a screwdriver to the graphics card and have digital audio output from the HDMI display at the same time. 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 factory defaults.
Manual
Page 22
... default settings (unless you not flash the BIOS. Function Keys Inadequate BIOS flashing may result in system's failure to boot. Its major functions include conducting the Power-On Self-Test (POST) during the POST when the power is turned off, the battery 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...
... default settings (unless you not flash the BIOS. Function Keys Inadequate BIOS flashing may result in system's failure to boot. Its major functions include conducting the Power-On Self-Test (POST) during the POST when the power is turned off, the battery 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...
Manual
Page 24
... as SATA, USB, integrated audio, and integrated LAN, etc. Power Management Use this menu to configure the default language used by BIOS version. - 24 - If this occurs, clear the CMOS values and reset the board to default values.) •• When the system is for advanced users only and we recommend you made in this menu to configure the clock, frequency, and voltages of these components. Or check the system/CPU temperatures, voltages, and fan speeds...
... as SATA, USB, integrated audio, and integrated LAN, etc. Power Management Use this menu to configure the default language used by BIOS version. - 24 - If this occurs, clear the CMOS values and reset the board to default values.) •• When the system is for advanced users only and we recommend you made in this menu to configure the clock, frequency, and voltages of these components. Or check the system/CPU temperatures, voltages, and fan speeds...
Manual
Page 26
... install a CPU that supports this setting. (Default: Auto) && Turbo Ratio (1-Core Active~4-Core Active) (Note) Allows you to reduce the power. When the CPU power consumption exceeds the specified power limit, the CPU will automatically reduce the core frequency in order to set the CPU Turbo ratios for CPU Turbo mode. Auto lets the BIOS automatically configure this setting. (Default: Auto) (Note) This item is dependent on the CPU being installed. && CPU Frequency Displays the current operating CPU frequency. `` Advanced CPU Core Features && CPU Clock Ratio, CPU Frequency...
... install a CPU that supports this setting. (Default: Auto) && Turbo Ratio (1-Core Active~4-Core Active) (Note) Allows you to reduce the power. When the CPU power consumption exceeds the specified power limit, the CPU will automatically reduce the core frequency in order to set the CPU Turbo ratios for CPU Turbo mode. Auto lets the BIOS automatically configure this setting. (Default: Auto) (Note) This item is dependent on the CPU being installed. && CPU Frequency Displays the current operating CPU frequency. `` Advanced CPU Core Features && CPU Clock Ratio, CPU Frequency...
Manual
Page 27
... you install a CPU and a memory module that supports this setting. (Default: Auto) && Extreme Memory Profile (X.M.P.) (Note 2) Allows the BIOS to read the SPD data on CPU loading, Intel EIST technology can dynamically and effectively lower the CPU voltage and core frequency to memory SPD data. (Default: Auto) && Memory Frequency (MHz) The first memory frequency value is the normal operating frequency of the memory being used; For more enhanced power-saving state than C1. When enabled, the CPU core frequency and voltage will...
... you install a CPU and a memory module that supports this setting. (Default: Auto) && Extreme Memory Profile (X.M.P.) (Note 2) Allows the BIOS to read the SPD data on CPU loading, Intel EIST technology can dynamically and effectively lower the CPU voltage and core frequency to memory SPD data. (Default: Auto) && Memory Frequency (MHz) The first memory frequency value is the normal operating frequency of the memory being used; For more enhanced power-saving state than C1. When enabled, the CPU core frequency and voltage will...
Manual
Page 28
.... When Extreme Memory Profile (X.M.P.) is set to Disabled, this item will display the value based on the SPD data on the XMP memory. && Profile VTT Voltage The value displayed here is present only when you install a CPU and a memory module that support this item will display as 1.50V. Auto lets the BIOS automatically configure this setting. (Default: Auto) (Note) This item is dependent on the Advanced Frequency Settings menu. && Performance Enhance...
.... When Extreme Memory Profile (X.M.P.) is set to Disabled, this item will display the value based on the SPD data on the XMP memory. && Profile VTT Voltage The value displayed here is present only when you install a CPU and a memory module that support this item will display as 1.50V. Auto lets the BIOS automatically configure this setting. (Default: Auto) (Note) This item is dependent on the Advanced Frequency Settings menu. && Performance Enhance...
Manual
Page 31
`` Miscellaneous Settings && PEG - Auto lets the BIOS automatically configure this setting. (Default: Auto) && Legacy BenchMark Enhancement Allows you to Gen 1, Gen 2, or Gen 3. Actual operation mode is subject to the hardware specification of the PCI Express slots to set the operation mode of each slot. Gen X Allows you to determine whether to Gen 2 mode only. For example, the PCI Express x1 slots can support up to enhance some legacy benchmark performance. (Default: Disabled) - 31 -
`` Miscellaneous Settings && PEG - Auto lets the BIOS automatically configure this setting. (Default: Auto) && Legacy BenchMark Enhancement Allows you to Gen 1, Gen 2, or Gen 3. Actual operation mode is subject to the hardware specification of the PCI Express slots to set the operation mode of each slot. Gen X Allows you to determine whether to Gen 2 mode only. For example, the PCI Express x1 slots can support up to enhance some legacy benchmark performance. (Default: Disabled) - 31 -
Manual
Page 33
... a specific type. Removable storage devices that support GPT format will be prefixed with "UEFI:" string. - 33 - To boot from the available devices. Or if you can set hard drive as the first priority (Boot Option #1) and DVD ROM drive as the first priority on the Hard Drive BBS Priorities submenu will be presented here. For example, only hard drive defined as the second priority (Boot Option #2). The list only displays the device with "UEFI:" string. 2-5 BIOS Features && Boot Option Priorities...
... a specific type. Removable storage devices that support GPT format will be prefixed with "UEFI:" string. - 33 - To boot from the available devices. Or if you can set hard drive as the first priority (Boot Option #1) and DVD ROM drive as the first priority on the Hard Drive BBS Priorities submenu will be presented here. For example, only hard drive defined as the second priority (Boot Option #2). The list only displays the device with "UEFI:" string. 2-5 BIOS Features && Boot Option Priorities...
Manual
Page 34
...) Enables or disables Intel Virtualization Technology. With virtualization, one device for this type is required every time the system boots, or only when you install a CPU that supports this item to boot. UEFI and Legacy Allows booting from operating systems that support legacy option ROM or UEFI option ROM. (Default) Legacy Only Allows booting from operating systems that only support legacy option ROM. UEFI Only Allows booting from LAN function, etc. && Hard Drive/CD/DVD ROM Drive/Floppy Drive/Network Device BBS Priorities Specifies the boot order for a specific device type...
...) Enables or disables Intel Virtualization Technology. With virtualization, one device for this type is required every time the system boots, or only when you install a CPU that supports this item to boot. UEFI and Legacy Allows booting from operating systems that support legacy option ROM or UEFI option ROM. (Default) Legacy Only Allows booting from operating systems that only support legacy option ROM. UEFI Only Allows booting from LAN function, etc. && Hard Drive/CD/DVD ROM Drive/Floppy Drive/Network Device BBS Priorities Specifies the boot order for a specific device type...
Manual
Page 35
... for the PCI device controller other than the LAN, storage device, and graphics controllers. UEFI OpROM Enables UEFI option ROM only. (Default) Legacy OpROM Enables legacy option ROM only. && Network stack Disables or enables booting from the network to install a GPT format OS, such as installing the OS from the user password, the administrator password allows you to make changes to confirm the password. You must enter the administrator password (or user password) at system startup and when entering BIOS Setup. You must enter the administrator password (or user password) at...
... for the PCI device controller other than the LAN, storage device, and graphics controllers. UEFI OpROM Enables UEFI option ROM only. (Default) Legacy OpROM Enables legacy option ROM only. && Network stack Disables or enables booting from the network to install a GPT format OS, such as installing the OS from the user password, the administrator password allows you to make changes to confirm the password. You must enter the administrator password (or user password) at system startup and when entering BIOS Setup. You must enter the administrator password (or user password) at...
Manual
Page 37
This allows the use of the monitor display from the installed PCI Express graphics card or the onboard graphics. Auto Lets BIOS automatically configure this port with Super-Speed capability will become unconfigurable. && HS Port #1 Switchable~HS Port #4 Switchable Enabled Corresponding USB 3.0 port is routed to the EHCI controller and the xHCI controller is the recommended mode when BIOS does NOT have pre-boot support for the xHCI controller in this port with Intel USB 3.0 Streams Support. (Default: Enabled) && USB2.0 Controller Enables or disables the integrated...
This allows the use of the monitor display from the installed PCI Express graphics card or the onboard graphics. Auto Lets BIOS automatically configure this port with Super-Speed capability will become unconfigurable. && HS Port #1 Switchable~HS Port #4 Switchable Enabled Corresponding USB 3.0 port is routed to the EHCI controller and the xHCI controller is the recommended mode when BIOS does NOT have pre-boot support for the xHCI controller in this port with Intel USB 3.0 Streams Support. (Default: Enabled) && USB2.0 Controller Enables or disables the integrated...
Manual
Page 38
...onboard serial port. (Default: Enabled) `` Intel(R) Smart Connect Technology && ISCT Configuration Enables or disables Intel Smart Connect Technology. (Default: Disabled) - 38 - This item is configurable only when an SSD is installed. (Default: Auto) && OnBoard LAN Controller#1/OnBoard LAN Controller#2 Enables or disables the onboard LAN function. (Default: Enabled) If you wish to install a 3rd party add-in operating system that does not natively support USB devices. (Default: Disabled) && USB Storage Devices Displays a list of connected USB mass storage devices. && Internal Graphics Enables...
...onboard serial port. (Default: Enabled) `` Intel(R) Smart Connect Technology && ISCT Configuration Enables or disables Intel Smart Connect Technology. (Default: Disabled) - 38 - This item is configurable only when an SSD is installed. (Default: Auto) && OnBoard LAN Controller#1/OnBoard LAN Controller#2 Enables or disables the onboard LAN function. (Default: Enabled) If you wish to install a 3rd party add-in operating system that does not natively support USB devices. (Default: Disabled) && USB Storage Devices Displays a list of connected USB mass storage devices. && Internal Graphics Enables...
Manual
Page 39
... or on a specific day in MS-DOS mode using the power button. Instant-Off Press the power button and then the system will be turned off instantly. (Default) Delay 4 Sec Press and hold the power button for less than 4 seconds, the system will enter suspend mode. && Internal Graphics Standby Mode Allows you to determine whether to let the onboard graphics enter standby mode to decrease power consumption. (Default: Enabled) (Note) Supported on Windows 7 operating system...
... or on a specific day in MS-DOS mode using the power button. Instant-Off Press the power button and then the system will be turned off instantly. (Default) Delay 4 Sec Press and hold the power button for less than 4 seconds, the system will enter suspend mode. && Internal Graphics Standby Mode Allows you to determine whether to let the onboard graphics enter standby mode to decrease power consumption. (Default: Enabled) (Note) Supported on Windows 7 operating system...