User Manual
Page 2
...notice. All rights reserved. Disclaimer Information in this manual are legally registered to assist in any form or by GIGABYTE without GIGABYTE's prior written permission. „„ In order to their respective owners. Check your motherboard looks like this ..., check on our website at: https://www.gigabyte.com Identifying Your Motherboard Revision The revision number on your motherboard revision before updating motherboard BIOS, drivers, or when looking for technical information. Motherboard B450M S2H Motherboard B450M S2H Oct. 19, 2018 Oct. 19, 2018 Copyright...
...notice. All rights reserved. Disclaimer Information in this manual are legally registered to assist in any form or by GIGABYTE without GIGABYTE's prior written permission. „„ In order to their respective owners. Check your motherboard looks like this ..., check on our website at: https://www.gigabyte.com Identifying Your Motherboard Revision The revision number on your motherboard revision before updating motherboard BIOS, drivers, or when looking for technical information. Motherboard B450M S2H Motherboard B450M S2H Oct. 19, 2018 Oct. 19, 2018 Copyright...
User Manual
Page 3
Table of Contents B450M S2H Motherboard Layout 4 Chapter 1 Hardware Installation 5 1-1 Installation Precautions 5 1-2 Product Specifications 6 1-3 Installing the CPU 9 1-4 Installing the Memory 9 1-5 Installing an Expansion Card 10 1-6 Back Panel Connectors 10 1-7 Internal Connectors 12 Chapter 2 BIOS Setup 20 2-1 Startup Screen 20 2-2 The Main Menu 21 2-3 M.I.T...22 2-4 System...26 2-5 BIOS...27 2-6 Peripherals...30 2-7 Chipset...32 2-8 Power...34 2-9 Save...
Table of Contents B450M S2H Motherboard Layout 4 Chapter 1 Hardware Installation 5 1-1 Installation Precautions 5 1-2 Product Specifications 6 1-3 Installing the CPU 9 1-4 Installing the Memory 9 1-5 Installing an Expansion Card 10 1-6 Back Panel Connectors 10 1-7 Internal Connectors 12 Chapter 2 BIOS Setup 20 2-1 Startup Screen 20 2-2 The Main Menu 21 2-3 M.I.T...22 2-4 System...26 2-5 BIOS...27 2-6 Peripherals...30 2-7 Chipset...32 2-8 Power...34 2-9 Save...
User Manual
Page 7
Internal Connectors Back Panel Connectors I/O Controller Hardware Monitor BIOS ŠŠ 1 x 24-pin ATX main power connector ŠŠ 1 x 8-pin ATX 12V power connector ŠŠ 1 x CPU fan header ŠŠ 1 x system fan header &#... fan speed control function is supported will depend on the cooler you install. ŠŠ 1 x 128 Mbit flash ŠŠ Use of licensed AMI UEFI BIOS ŠŠ PnP 1.0a, DMI 2.7, WfM 2.0, SM...
Internal Connectors Back Panel Connectors I/O Controller Hardware Monitor BIOS ŠŠ 1 x 24-pin ATX main power connector ŠŠ 1 x 8-pin ATX 12V power connector ŠŠ 1 x CPU fan header ŠŠ 1 x system fan header &#... fan speed control function is supported will depend on the cooler you install. ŠŠ 1 x 128 Mbit flash ŠŠ Use of licensed AMI UEFI BIOS ŠŠ PnP 1.0a, DMI 2.7, WfM 2.0, SM...
User Manual
Page 8
... Control Utility Support for Windows 10 64-bit Form Factor ŠŠ Micro ATX Form Factor; 24.4cm x 20.5cm * GIGABYTE reserves the right to make any changes to download the latest version of apps. System Information Viewer - Smart Backup - Please visit the... Support\Utility List page on motherboard specifications. - 3D OSD - @BIOS - Unique Features ŠŠ ŠŠ ŠŠ Bundled ŠŠ Software ŠŠ Operating System ŠŠ Support for APP...
... Control Utility Support for Windows 10 64-bit Form Factor ŠŠ Micro ATX Form Factor; 24.4cm x 20.5cm * GIGABYTE reserves the right to make any changes to download the latest version of apps. System Information Viewer - Smart Backup - Please visit the... Support\Utility List page on motherboard specifications. - 3D OSD - @BIOS - Unique Features ŠŠ ŠŠ ŠŠ Bundled ŠŠ Software ŠŠ Operating System ŠŠ Support for APP...
User Manual
Page 9
...unable to insert the memory, switch the direction. When enabling Dual Channel mode with the CPU specifications. Please visit GIGABYTE's website for the peripherals. 1-3 Installing the CPU Read the following guidelines before you begin to install the memory...8226;• Make sure that the motherboard supports the memory. The CPU cannot be used . (Go to GIGABYTE's website for the latest CPU support list.) •• Always turn off the computer and unplug the ...a foolproof design. A memory module can be used . It is installed, the BIOS will double the original memory bandwidth.
...unable to insert the memory, switch the direction. When enabling Dual Channel mode with the CPU specifications. Please visit GIGABYTE's website for the peripherals. 1-3 Installing the CPU Read the following guidelines before you begin to install the memory...8226;• Make sure that the motherboard supports the memory. The CPU cannot be used . (Go to GIGABYTE's website for the latest CPU support list.) •• Always turn off the computer and unplug the ...a foolproof design. A memory module can be used . It is installed, the BIOS will double the original memory bandwidth.
User Manual
Page 16
...). The LED is off when the system is in S3/S4 sleep state or powered off your system using the power switch (refer to Chapter 2, "BIOS Setup," "Power," for more information). •• HD (Hard Drive Activity LED): Connects to this header. The front panel design may connect your chassis front...
...). The LED is off when the system is in S3/S4 sleep state or powered off your system using the power switch (refer to Chapter 2, "BIOS Setup," "Power," for more information). •• HD (Hard Drive Activity LED): Connects to this header. The front panel design may connect your chassis front...
User Manual
Page 18
... outlet before clearing the CMOS values. •• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or manually configure the BIOS settings (refer to touch the two pins for BIOS configurations). - 18 - This function requires a chassis with chassis intrusion detection design. ... chassis cover has been removed. To clear the CMOS values, use a metal object like a screwdriver to Chapter 2, "BIOS Setup," for a few seconds. Definition 1 1 Signal 2 GND _3 U F_USB3 15) CLR_CMOS (Clear CMOS Jumper) UsFe_UtShBis30ju3mper to clear the...
... outlet before clearing the CMOS values. •• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or manually configure the BIOS settings (refer to touch the two pins for BIOS configurations). - 18 - This function requires a chassis with chassis intrusion detection design. ... chassis cover has been removed. To clear the CMOS values, use a metal object like a screwdriver to Chapter 2, "BIOS Setup," for a few seconds. Definition 1 1 Signal 2 GND _3 U F_USB3 15) CLR_CMOS (Clear CMOS Jumper) UsFe_UtShBis30ju3mper to clear the...
User Manual
Page 19
... power cord. 2. You may lead to the damage of the LED strip. 17) BAT (Battery) The battery provides power to keep the values (such as BIOS configurations, date, and time information) in accordance with maximum power rating of 2A (12V) and maximum length of 2m. Incorrect connection may clear the CMOS...
... power cord. 2. You may lead to the damage of the LED strip. 17) BAT (Battery) The battery provides power to keep the values (such as BIOS configurations, date, and time information) in accordance with maximum power rating of 2A (12V) and maximum length of 2m. Incorrect connection may clear the CMOS...
User Manual
Page 20
... the "Load Optimized Defaults" section in this chapter are two different BIOS modes as follows and you need to) to prevent system instability or other unexpected results. You can 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...
... the "Load Optimized Defaults" section in this chapter are two different BIOS modes as follows and you need to) to prevent system instability or other unexpected results. You can 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...
User Manual
Page 21
...the numeric value or make changes Show descriptions of the function keys Switch to Easy Mode Restore the previous BIOS settings for the current submenus Load the Optimized BIOS default settings for the current submenus Access the Q-Flash utility Display system information Save all the changes and exit... the BIOS Setup program Capture the current screen as an image and save it to enter Easy Mode, select BIOS default language, configure fan settings, or enter Q-Flash. 2-2 The Main Menu Setup Menus...
...the numeric value or make changes Show descriptions of the function keys Switch to Easy Mode Restore the previous BIOS settings for the current submenus Load the Optimized BIOS default settings for the current submenus Access the Q-Flash utility Display system information Save all the changes and exit... the BIOS Setup program Capture the current screen as an image and save it to enter Easy Mode, select BIOS default language, configure fan settings, or enter Q-Flash. 2-2 The Main Menu Setup Menus...
User Manual
Page 22
...those under the same items on the Advanced Frequency Settings menu. (Note) This item is dependent on the CPU being installed. Auto lets the BIOS automatically configure this setting. && GFX Core Voltage (Note) Allows you made is dependent on your overall system configurations. Auto lets the... BIOS automatically configure this setting. && CPU Clock Ratio Allows you to adjust the GFX Core Voltage settings. (Default: Auto) NOTE: The adjustable range is ...
...those under the same items on the Advanced Frequency Settings menu. (Note) This item is dependent on the CPU being installed. Auto lets the BIOS automatically configure this setting. && GFX Core Voltage (Note) Allows you made is dependent on your overall system configurations. Auto lets the... BIOS automatically configure this setting. && CPU Clock Ratio Allows you to adjust the GFX Core Voltage settings. (Default: Auto) NOTE: The adjustable range is ...
User Manual
Page 23
... systems. (Default: Disabled) && C6 Mode (Note 1) Allows you to determine whether to set the system memory multiplier. Auto lets the BIOS automatically configure this setting. (Default: Auto) && SMT Mode Allows you to enable or disable the CPU Simultaneous Multi-Threading technology. This feature... Enables or disables Package C6 State. Typical Current Idle Disables this function. Low Current Idle Enables this function. Auto Lets the BIOS automatically configure this setting. (Default) && Downcore Control Allows you to select the number of CPU cores to enable (the number of the...
... systems. (Default: Disabled) && C6 Mode (Note 1) Allows you to determine whether to set the system memory multiplier. Auto lets the BIOS automatically configure this setting. (Default: Auto) && SMT Mode Allows you to enable or disable the CPU Simultaneous Multi-Threading technology. This feature... Enables or disables Package C6 State. Typical Current Idle Disables this function. Low Current Idle Enables this function. Auto Lets the BIOS automatically configure this setting. (Default) && Downcore Control Allows you to select the number of CPU cores to enable (the number of the...
User Manual
Page 24
... Reset Case Open Status to Enabled, save the settings to the CMOS, and then restart your memory specification. Auto lets the BIOS automatically configure this feature. - 24 - The respective timing setting screens are configurable only when Memory Timing Mode is displayed according ... at next boot. && Case Open Displays the detection status of the memory to increase memory performance and stability. Auto lets the BIOS automatically configure this occurs, please reset the board to default values by loading optimized defaults or clearing the CMOS values. `` Advanced Voltage...
... Reset Case Open Status to Enabled, save the settings to the CMOS, and then restart your memory specification. Auto lets the BIOS automatically configure this feature. - 24 - The respective timing setting screens are configurable only when Memory Timing Mode is displayed according ... at next boot. && Case Open Displays the detection status of the memory to increase memory performance and stability. Auto lets the BIOS automatically configure this occurs, please reset the board to default values by loading optimized defaults or clearing the CMOS values. `` Advanced Voltage...
User Manual
Page 25
...specification of the PCI Express slots to select the temperature interval for fan speed change. && Fan Control Mode Auto Lets the BIOS automatically detect the type of the selected target area. && Fan Speed Displays current fan speeds. && Temperature Warning Sets the warning threshold...recommended for a 3-pin fan. PWM PWM mode is not connected or fails. Auto lets the BIOS automatically configure this occurs. (Default: Disabled) - 25 - When temperature exceeds the threshold, BIOS will emit warning sound. The fan stops operation when the temperature is lower than the limit. (...
...specification of the PCI Express slots to select the temperature interval for fan speed change. && Fan Control Mode Auto Lets the BIOS automatically detect the type of the selected target area. && Fan Speed Displays current fan speeds. && Temperature Warning Sets the warning threshold...recommended for a 3-pin fan. PWM PWM mode is not connected or fails. Auto lets the BIOS automatically configure this occurs. (Default: Disabled) - 25 - When temperature exceeds the threshold, BIOS will emit warning sound. The fan stops operation when the temperature is lower than the limit. (...
User Manual
Page 26
... and use the or key to set the desired value. && Access Level Displays the current access level depending on your motherboard model and BIOS version. The time format is set, the default will display as Administrator.) The Administrator level allows you to make changes to all . ...- 26 - You can also select the default language used by the BIOS and manually set the system time. && System Language Selects the default language used . (If no password is hour, minute, and second. For example,...
... and use the or key to set the desired value. && Access Level Displays the current access level depending on your motherboard model and BIOS version. The time format is set, the default will display as Administrator.) The Administrator level allows you to make changes to all . ...- 26 - You can also select the default language used by the BIOS and manually set the system time. && System Language Selects the default language used . (If no password is hour, minute, and second. For example,...
User Manual
Page 27
...Press on this type is installed. && Bootup NumLock State Enables or disables Numlock feature on the boot device list. Disabled skips the GIGABYTE Logo when the system starts up. (Default: Enabled) - 27 - Removable storage devices that support GPT format will be prefixed with...Option Specifies whether a password is required every time the system boots, or only when you to determine whether to display the GIGABYTE Logo at least one device for entering the BIOS Setup program. System A password is prefixed with "UEFI:" string. This item is present only if at system startup....
...Press on this type is installed. && Bootup NumLock State Enables or disables Numlock feature on the boot device list. Disabled skips the GIGABYTE Logo when the system starts up. (Default: Enabled) - 27 - Removable storage devices that support GPT format will be prefixed with...Option Specifies whether a password is required every time the system boots, or only when you to determine whether to display the GIGABYTE Logo at least one device for entering the BIOS Setup program. System A password is prefixed with "UEFI:" string. This item is present only if at system startup....
User Manual
Page 28
... or disables UEFI CSM (Compatibility Support Module) to support a legacy PC boot process. Enabled Enables UEFI CSM. (Default) Disabled Disables UEFI CSM and supports UEFI BIOS boot process only. && LAN PXE Boot Option ROM Allows you to select whether to enable the legacy option ROM for the storage device controller. Disabled...
... or disables UEFI CSM (Compatibility Support Module) to support a legacy PC boot process. Enabled Enables UEFI CSM. (Default) Disabled Disables UEFI CSM and supports UEFI BIOS boot process only. && LAN PXE Boot Option ROM Allows you to select whether to enable the legacy option ROM for the storage device controller. Disabled...
User Manual
Page 29
... will be requested to confirm the password. You must enter the administrator password (or user password) at system startup and when entering BIOS Setup. You will be requested to confirm the password. This item is configurable only when CSM Support is enabled. && IPSEC Certificate Enables... format OS, such as installing the OS from the user password, the administrator password allows you to make changes to certain BIOS settings but not all BIOS settings. && User Password Allows you to enable or disable Secure Boot and configure related settings. Press again when prompted to ...
... will be requested to confirm the password. You must enter the administrator password (or user password) at system startup and when entering BIOS Setup. You will be requested to confirm the password. This item is configurable only when CSM Support is enabled. && IPSEC Certificate Enables... format OS, such as installing the OS from the user password, the administrator password allows you to make changes to certain BIOS settings but not all BIOS settings. && User Password Allows you to enable or disable Secure Boot and configure related settings. Press again when prompted to ...
User Manual
Page 32
... disables AMD IOMMU support. (Default: Auto) && Integrated Graphics (Note) Enables or disables the onboard graphics function. Auto The BIOS will use only this memory for the onboard graphics controller. MS-DOS, for example, will automatically enable or disable the onboard graphics ...card being installed. (Default) Disabled Disables the onboard graphics. && UMA Mode (Note) Specify the UMA mode. Auto L ets the BIOS automatically configure this setting. (Default) UMA Specified Sets the UMA Frame Buffer Size. UMA Auto Sets the display resolution. Options are :...
... disables AMD IOMMU support. (Default: Auto) && Integrated Graphics (Note) Enables or disables the onboard graphics function. Auto The BIOS will use only this memory for the onboard graphics controller. MS-DOS, for example, will automatically enable or disable the onboard graphics ...card being installed. (Default) Disabled Disables the onboard graphics. && UMA Mode (Note) Specify the UMA mode. Auto L ets the BIOS automatically configure this setting. (Default) UMA Specified Sets the UMA Frame Buffer Size. UMA Auto Sets the display resolution. Options are :...
User Manual
Page 35
... the wake on automatically. If this occurs, please set to comply with the CEC (California Energy Commission) 2019 Standards. (Default: Disabled) - 35 - Auto lets the BIOS automatically configure this setting. (Default: Auto) && Resume by PWR-BTTN Configures the way to turn off the system. && ErP Determines whether to let the system...
... the wake on automatically. If this occurs, please set to comply with the CEC (California Energy Commission) 2019 Standards. (Default: Disabled) - 35 - Auto lets the BIOS automatically configure this setting. (Default: Auto) && Resume by PWR-BTTN Configures the way to turn off the system. && ErP Determines whether to let the system...
