User Guide
Page 2
... FOR A PARTICULAR PURPOSE. or (2) the serial number of ASUSTeK COMPUTER INC. ("ASUS"). SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. Copies of such software and/or other Free Open Source Software Licenses. This offer is valid...
... FOR A PARTICULAR PURPOSE. or (2) the serial number of ASUSTeK COMPUTER INC. ("ASUS"). SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. Copies of such software and/or other Free Open Source Software Licenses. This offer is valid...
User Guide
Page 6
... Application DVD Documentation ASUS PRIME X370-A motherboard 2 x Serial ATA 6.0 Gb/s cables 1 x I/O shield 1 x M.2 screw package 1 x Support DVD 1 x User Manual If any of individual CPUs. ** Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List). PRIME X370-A specifications summary CPU Chipset Memory Graphics Multi-GPU support Expansion slots AM4 socket for AMD Ryzen™ / 7th Generation A-series / Athlon™ processors Supports CPU up to 8 cores* * Due to CPU limitation, CPU cores supported vary by processor. ** Refer to www.asus.com for AMD CPU support list...
... Application DVD Documentation ASUS PRIME X370-A motherboard 2 x Serial ATA 6.0 Gb/s cables 1 x I/O shield 1 x M.2 screw package 1 x Support DVD 1 x User Manual If any of individual CPUs. ** Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List). PRIME X370-A specifications summary CPU Chipset Memory Graphics Multi-GPU support Expansion slots AM4 socket for AMD Ryzen™ / 7th Generation A-series / Athlon™ processors Supports CPU up to 8 cores* * Due to CPU limitation, CPU cores supported vary by processor. ** Refer to www.asus.com for AMD CPU support list...
User Guide
Page 7
...X370 Chipset: - 6 x Serial ATA 6.0 Gb/s connectors with RAID 0, RAID 1 and RAID 10 support AMD Ryzen™ Processors: - 1 x M.2 socket 3 with M Key, Type 2242 / 2260 / 2280 / 22110 (PCIe 3.0 x4 and SATA modes) storage devices support AMD 7th Generation A-series / Athlon™ Processors: - 1 x M.2 socket 3 with M Key, Type 2242 / 2260 / 2280 / 22110 (PCIE 3.0 x2 and SATA modes) storage devices support Realtek® 8111H Gigabit LAN Controller Realtek® ALC 887-VD2 8-Channel High Definition Audio CODEC * Use a chassis with fast response time Easy PC DIY Safe motherboard mounting - ASUS...
...X370 Chipset: - 6 x Serial ATA 6.0 Gb/s connectors with RAID 0, RAID 1 and RAID 10 support AMD Ryzen™ Processors: - 1 x M.2 socket 3 with M Key, Type 2242 / 2260 / 2280 / 22110 (PCIe 3.0 x4 and SATA modes) storage devices support AMD 7th Generation A-series / Athlon™ Processors: - 1 x M.2 socket 3 with M Key, Type 2242 / 2260 / 2280 / 22110 (PCIE 3.0 x2 and SATA modes) storage devices support Realtek® 8111H Gigabit LAN Controller Realtek® ALC 887-VD2 8-Channel High Definition Audio CODEC * Use a chassis with fast response time Easy PC DIY Safe motherboard mounting - ASUS...
User Guide
Page 8
...Fan connectors (Support DC & PWM mode) 1 x Front panel audio connector 1 x 24-pin EATX power connector 1 x 8-pin EATX 12V power connector 1 x 2-pin Clear CMOS header 1 x S/PDIF out connector 1 x System panel connector 128 Mb Flash ROM, UEFI AMI BIOS, PnP, WfM2.0, SM BIOS 3.0, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, My Favorites, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control WfM 2.0, DMI 3.0, WOL by PME, PXE Drivers ASUS utilities ASUS Update Anti-virus software (OEM version) Windows® 10 (64-bit...
...Fan connectors (Support DC & PWM mode) 1 x Front panel audio connector 1 x 24-pin EATX power connector 1 x 8-pin EATX 12V power connector 1 x 2-pin Clear CMOS header 1 x S/PDIF out connector 1 x System panel connector 128 Mb Flash ROM, UEFI AMI BIOS, PnP, WfM2.0, SM BIOS 3.0, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, My Favorites, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control WfM 2.0, DMI 3.0, WOL by PME, PXE Drivers ASUS utilities ASUS Update Anti-virus software (OEM version) Windows® 10 (64-bit...
User Guide
Page 9
... before installing or removing the motherboard. ASUS PRIME X370-A 1-1 Failure to do so can cause you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the wall socket before you install motherboard components or change any motherboard settings. 1.2 • Unplug the power cord from the power supply. Motherboard overview KBMS_USB12 1 2 34 5 23.7cm(9.35in) 26 EATX12V DIGI +VRM EPU CHA_FAN2 CPU_FAN DVI VGA...
... before installing or removing the motherboard. ASUS PRIME X370-A 1-1 Failure to do so can cause you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the wall socket before you install motherboard components or change any motherboard settings. 1.2 • Unplug the power cord from the power supply. Motherboard overview KBMS_USB12 1 2 34 5 23.7cm(9.35in) 26 EATX12V DIGI +VRM EPU CHA_FAN2 CPU_FAN DVI VGA...
User Guide
Page 10
...wire of each cable matches the ground pin of 300W power rating. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2) Connect the fan cables to install additional devices. AMD X370 SATA 6.0Gb/s ports (SATA6G_1~6) 8. 1.2.1 Layout contents Connectors / Jumpers / Slots / LED 1. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 2. This PSU type has 24-pin and 8-pin power plugs. The system may become unstable or may not boot up . PCI Express 2.0 x1 slots 16. EATXPWR • We recommend that you use an EATX 12V Specification 2.0‑compliant power supply...
...wire of each cable matches the ground pin of 300W power rating. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2) Connect the fan cables to install additional devices. AMD X370 SATA 6.0Gb/s ports (SATA6G_1~6) 8. 1.2.1 Layout contents Connectors / Jumpers / Slots / LED 1. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 2. This PSU type has 24-pin and 8-pin power plugs. The system may become unstable or may not boot up . PCI Express 2.0 x1 slots 16. EATXPWR • We recommend that you use an EATX 12V Specification 2.0‑compliant power supply...
User Guide
Page 14
... the PCI Express specifications. Plug the power cord and turn ON the computer. 4. Clear RTC RAM (2-pin CLRTC) This header allows you provide sufficient power when running CrossFireX™ mode. • Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using multiple graphics cards for a PCI Express x16 graphics card to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup information such as a screwdriver to clear the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS. PCI slots The PCI slots support cards...
... the PCI Express specifications. Plug the power cord and turn ON the computer. 4. Clear RTC RAM (2-pin CLRTC) This header allows you provide sufficient power when running CrossFireX™ mode. • Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using multiple graphics cards for a PCI Express x16 graphics card to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup information such as a screwdriver to clear the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS. PCI slots The PCI slots support cards...
User Guide
Page 21
... of the Support DVD to locate the file Setup.exe in your computer, the DVD automatically displays the lists of the unique features of the Support DVD are subject to your hardware. To run the DVD. The following screen is enabled in the root folder. ASUS PRIME X370-A 1-13 Visit the ASUS website at any time without notice. 1.5 Software support 1.5.1 Installing an operating system This motherboard supports Windows® 10 (64-bit) Operating Systems...
... of the Support DVD to locate the file Setup.exe in your computer, the DVD automatically displays the lists of the unique features of the Support DVD are subject to your hardware. To run the DVD. The following screen is enabled in the root folder. ASUS PRIME X370-A 1-13 Visit the ASUS website at any time without notice. 1.5 Software support 1.5.1 Installing an operating system This motherboard supports Windows® 10 (64-bit) Operating Systems...
User Guide
Page 22
... to automatically update your motherboard's driver, software and firmware Click to find and select the BIOS from file Click to select a boot logo Click to restore the BIOS in the future. To launch EZ Update, click EZ Update on the AI Suite 3 main menu bar. With this utlity, you need to update the BIOS EZ Update requires an Internet connection either through a network or an ISP (Internet Service Provider). 2-1 ASUS PRIME X370-A
... to automatically update your motherboard's driver, software and firmware Click to find and select the BIOS from file Click to select a boot logo Click to restore the BIOS in the future. To launch EZ Update, click EZ Update on the AI Suite 3 main menu bar. With this utlity, you need to update the BIOS EZ Update requires an Internet connection either through a network or an ISP (Internet Service Provider). 2-1 ASUS PRIME X370-A
User Guide
Page 23
... you load the BIOS default settings to ensure system compatibility and stability. Via Storage Device a) Insert the USB flash disk that contains the latest BIOS, and then press . Via Internet a) Select via a storage device or Internet. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select ASUS EZ Flash 3 Utility and press to the Folder Info field. c) Press the Up/Down arrow keys to find the BIOS file...
... you load the BIOS default settings to ensure system compatibility and stability. Via Storage Device a) Insert the USB flash disk that contains the latest BIOS, and then press . Via Internet a) Select via a storage device or Internet. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select ASUS EZ Flash 3 Utility and press to the Folder Info field. c) Press the Up/Down arrow keys to find the BIOS file...
User Guide
Page 24
... an auto recovery tool that contains the BIOS file to the USB port. 3. You can cause system boot failure! 2.1.4 ASUS BIOS Updater ASUS BIOS Updater allows you press to update the BIOS in your computer screen. Recovering the BIOS To recover the BIOS: 1. When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. DO NOT shut down or reset the system while updating the BIOS! Ensure that you to load default BIOS values. Turn on your USB flash drive. Insert the support DVD...
... an auto recovery tool that contains the BIOS file to the USB port. 3. You can cause system boot failure! 2.1.4 ASUS BIOS Updater ASUS BIOS Updater allows you press to update the BIOS in your computer screen. Recovering the BIOS To recover the BIOS: 1. When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. DO NOT shut down or reset the system while updating the BIOS! Ensure that you to load default BIOS values. Turn on your USB flash drive. Insert the support DVD...
User Guide
Page 25
... ROM BOARD: PRIME X370-A VER: 0302 (H :00 B :00) DATE: 03/24/2017 PATH: C:\ Update ROM BOARD: Unknown VER: Unknown DATE: Unknown C: D: Drives panel FORMAN~1 PRX370A.CAP 8390656 2017-03-24 21:14:34 Files panel Note [Enter] Select or Load [Up/Down/Home/End] Move [Tab] Switch [Esc] Exit [V] Drive Info 3. Restart your computer then press to exit BIOS Updater. 6. When the select boot device screen appears, insert the Support DVD into...
... ROM BOARD: PRIME X370-A VER: 0302 (H :00 B :00) DATE: 03/24/2017 PATH: C:\ Update ROM BOARD: Unknown VER: Unknown DATE: Unknown C: D: Drives panel FORMAN~1 PRX370A.CAP 8390656 2017-03-24 21:14:34 Files panel Note [Enter] Select or Load [Up/Down/Home/End] Move [Tab] Switch [Esc] Exit [V] Drive Info 3. Restart your computer then press to exit BIOS Updater. 6. When the select boot device screen appears, insert the Support DVD into...
User Guide
Page 34
... you set the system date, time, language, and security settings. 2.4.1 Language [English] Allows you to save as language and boot order 4. Configuration options: [English] [Español 2.4.2 Security The Security menu items allow you to close Setup Tree Map screen. 5. Click Exit (ESC) or press key to change the system security settings. • If you enter the Advanced Mode of the screen show Installed. 2-13 ASUS PRIME X370-A
... you set the system date, time, language, and security settings. 2.4.1 Language [English] Allows you to save as language and boot order 4. Configuration options: [English] [Español 2.4.2 Security The Security menu items allow you to close Setup Tree Map screen. 5. Click Exit (ESC) or press key to change the system security settings. • If you enter the Advanced Mode of the screen show Installed. 2-13 ASUS PRIME X370-A
User Guide
Page 37
... set the multiplier between the CPU Core Clock and the FSB Frequency. You can also key in the desired value using the numeric keypad. 2.5.2 Memory Frequency [Auto] The configuration options displayed vary depending on the CPU installed. The values range from 8 to 48. 2.5.5 EPU Power Saving Mode [Disabled] Allows you to your CPU model. 2.5.4 Custom CPU Core Ratio [Auto] This item appears only when you to [Manual], the CPU frequency equals (FID/DID) x 200. Use the and keys...
... set the multiplier between the CPU Core Clock and the FSB Frequency. You can also key in the desired value using the numeric keypad. 2.5.2 Memory Frequency [Auto] The configuration options displayed vary depending on the CPU installed. The values range from 8 to 48. 2.5.5 EPU Power Saving Mode [Disabled] Allows you to your CPU model. 2.5.4 Custom CPU Core Ratio [Auto] This item appears only when you to [Manual], the CPU frequency equals (FID/DID) x 200. Use the and keys...
User Guide
Page 42
... is installed to [Auto]. Primary Video Device [PCIE / PCI Video] Selects the primary display device. The SATA Port items show IOMMU Mode. Configuration options: [Enabled] [Disabled] Core Leveling Mode [Automatic mode] Allows you set the Integrated Graphics item to the corresponding SATA port. IGFX Multi-Monitor [Disabled] Enables or disables the Internal Graphics Device Multi-Monitor support for ASUS Hyper Kit card. Configuration options: [Disabled] [Enabled] 2-21 ASUS PRIME X370-A Configuration options: [Disabled] [Enabled] C6 Mode [Enabled] Enables or disables C6 mode...
... is installed to [Auto]. Primary Video Device [PCIE / PCI Video] Selects the primary display device. The SATA Port items show IOMMU Mode. Configuration options: [Enabled] [Disabled] Core Leveling Mode [Automatic mode] Allows you set the Integrated Graphics item to the corresponding SATA port. IGFX Multi-Monitor [Disabled] Enables or disables the Internal Graphics Device Multi-Monitor support for ASUS Hyper Kit card. Configuration options: [Disabled] [Enabled] 2-21 ASUS PRIME X370-A Configuration options: [Disabled] [Enabled] C6 Mode [Enabled] Enables or disables C6 mode...
User Guide
Page 43
... you to set the HD Audio Controller item to [Enabled]. SPDIF Out Type [SPDIF] [SPDIF] Sets to an SPDIF audio output. [HDMI] Sets to use the AHCI (Advanced Host Controller Interface). The AHCI allows the onboard storage driver to enable advanced Serial ATA features that shows a warning message during POST (Power-on random workloads by allowing the drive to enable/disable SATA Hot Plug Support. Configuration options: [Enabled] [Disabled] Chapter 2: BIOS information 2-22 Front Panel Type [HD Audio] Allows you to internally optimize the order of the audio LED. SMART Self...
... you to set the HD Audio Controller item to [Enabled]. SPDIF Out Type [SPDIF] [SPDIF] Sets to an SPDIF audio output. [HDMI] Sets to use the AHCI (Advanced Host Controller Interface). The AHCI allows the onboard storage driver to enable advanced Serial ATA features that shows a warning message during POST (Power-on random workloads by allowing the drive to enable/disable SATA Hot Plug Support. Configuration options: [Enabled] [Disabled] Chapter 2: BIOS information 2-22 Front Panel Type [HD Audio] Allows you to internally optimize the order of the audio LED. SMART Self...
User Guide
Page 44
... [Disabled] Allows BIOS to generate a wake event and configure the RTC alarm date. Power On By PCI-E/PCI [Disabled] This item allows you to enable or disable the Rom of the onboard LAN controller or other PME options will be switched off. When set the Realtek LAN Controller item to [On] and allows you to select the Serial Port base address. IRQ=4] This item appears only when you set the serial port configuration. Configuration options: [Disabled] [Enabled] 2-23 ASUS PRIME X370-A IRQ...
... [Disabled] Allows BIOS to generate a wake event and configure the RTC alarm date. Power On By PCI-E/PCI [Disabled] This item allows you to enable or disable the Rom of the onboard LAN controller or other PME options will be switched off. When set the Realtek LAN Controller item to [On] and allows you to select the Serial Port base address. IRQ=4] This item appears only when you set the serial port configuration. Configuration options: [Disabled] [Enabled] 2-23 ASUS PRIME X370-A IRQ...
User Guide
Page 50
... (Compatibility Support Module) items to [Disabled]. Bootup NumLock State [Enabled] This item allows you set to [Enabled], the system waits for 'F1' If Error [Enabled] When this item is set Boot Logo Display to 10 seconds. POST Delay Time [3 sec] This item appears only when you to be pressed when error occurs. Configuration options: [Disabled] [Enabled] Wait for the F1 key to enable or disable power-on devices for better compatibility. 2-29 ASUS PRIME X370-A You...
... (Compatibility Support Module) items to [Disabled]. Bootup NumLock State [Enabled] This item allows you set to [Enabled], the system waits for 'F1' If Error [Enabled] When this item is set Boot Logo Display to 10 seconds. POST Delay Time [3 sec] This item appears only when you to be pressed when error occurs. Configuration options: [Disabled] [Enabled] Wait for the F1 key to enable or disable power-on devices for better compatibility. 2-29 ASUS PRIME X370-A You...
User Guide
Page 51
...-UEFI mode. Save all Secure Boot variables This item allows you to clear all the Secure Boot keys to launch. Boot Device Control [UEFI and Legacy OPROM] Allows you to select the type of PCI-E expansion devices that you want to fully support the Windows® Security Update and Security Boot. Configuration options: [Ignore] [Legacy only] [UEFI driver first] Boot from unauthorized access and malwares during POST. Configuration options: [Legacy only] [UEFI driver first] 2.8.4 Secure Boot Allows you to configure the Windows® Secure Boot settings...
...-UEFI mode. Save all Secure Boot variables This item allows you to clear all the Secure Boot keys to launch. Boot Device Control [UEFI and Legacy OPROM] Allows you to select the type of PCI-E expansion devices that you want to fully support the Windows® Security Update and Security Boot. Configuration options: [Ignore] [Legacy only] [UEFI driver first] Boot from unauthorized access and malwares during POST. Configuration options: [Legacy only] [UEFI driver first] 2.8.4 Secure Boot Allows you to configure the Windows® Secure Boot settings...
User Guide
Page 54
... from/to USB Drive This item allows you to load or save profile from Profile Allows you to load the previous BIOS settings saved in the BIOS Flash. For more details, see section 2.1.2 ASUS EZ Flash 3. 2.9.2 Setup Animator [Disabled] Enables or disables the Setup animator. Load from your USB drive. 2-33 ASUS PRIME X370-A Key in a profile number from the same memory/ CPU configuration and BIOS version. Profile Name Allows you to create a name for special functions...
... from/to USB Drive This item allows you to load or save profile from Profile Allows you to load the previous BIOS settings saved in the BIOS Flash. For more details, see section 2.1.2 ASUS EZ Flash 3. 2.9.2 Setup Animator [Disabled] Enables or disables the Setup animator. Load from your USB drive. 2-33 ASUS PRIME X370-A Key in a profile number from the same memory/ CPU configuration and BIOS version. Profile Name Allows you to create a name for special functions...