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... the location where you . 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. Such software in any form or by any means, except documentation kept by ASUS; ii ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS...
... the location where you . 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. Such software in any form or by any means, except documentation kept by ASUS; ii ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS...
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Contents Safety information...iv About this guide...v Package contents...vi PRIME A520M-E specifications summary vi Chapter 1 Product Introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-7 1.4 System memory 1-8 Chapter 2 BIOS and RAID Support 2.1 Knowing BIOS 2-1 2.2 BIOS Setup program 2-2 2.3 ASUS EZ Flash 3 2-3 2.4 ASUS CrashFree BIOS 3 2-4 2.5 RAID configurations 2-5 Appendix Notices...A-1 ASUS contact information A-6 iii
Contents Safety information...iv About this guide...v Package contents...vi PRIME A520M-E specifications summary vi Chapter 1 Product Introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-7 1.4 System memory 1-8 Chapter 2 BIOS and RAID Support 2.1 Knowing BIOS 2-1 2.2 BIOS Setup program 2-2 2.3 ASUS EZ Flash 3 2-3 2.4 ASUS CrashFree BIOS 3 2-4 2.5 RAID configurations 2-5 Appendix Notices...A-1 ASUS contact information A-6 iii
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... add a device. • Before connecting or removing signal cables from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you are using, contact your local power company. • If the power supply is set to the correct voltage in any damage, contact your retailer. • Your motherboard should...
... add a device. • Before connecting or removing signal cables from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you are using, contact your local power company. • If the power supply is set to the correct voltage in any damage, contact your retailer. • Your motherboard should...
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... motherboard and the new technology it supports. ASUS website The ASUS website provides updated information on ASUS hardware and software products. CAUTION: Information to prevent damage to the components and injuries to yourself when trying to boot into the BIOS, upgrade BIOS using the EZ Flash Utility and support on RAID. NOTE: Tips and additional information to complete a task. v About this guide is organized This guide contains the following parts...
... motherboard and the new technology it supports. ASUS website The ASUS website provides updated information on ASUS hardware and software products. CAUTION: Information to prevent damage to the components and injuries to yourself when trying to boot into the BIOS, upgrade BIOS using the EZ Flash Utility and support on RAID. NOTE: Tips and additional information to complete a task. v About this guide is organized This guide contains the following parts...
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... Graphics Processors M.2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) AMD A520 Chipset 4 x SATA 6Gb/s ports Support RAID 0, 1, 10 1 x Realtek RTL8111H 1Gb Ethernet Rear USB (Total 7 ports) 1 x USB 3.2 Gen 2 port (1 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) (continued on the next page) vi PRIME A520M-E specifications summary CPU Chipset Memory Graphics Expansion Slots Storage Ethernet USB AMD Socket AM4 for the following items. Motherboard Cables Miscellaneous Application DVD Documentation 1 x PRIME A520M-E motherboard 2 x SATA...
... Graphics Processors M.2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) AMD A520 Chipset 4 x SATA 6Gb/s ports Support RAID 0, 1, 10 1 x Realtek RTL8111H 1Gb Ethernet Rear USB (Total 7 ports) 1 x USB 3.2 Gen 2 port (1 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) (continued on the next page) vi PRIME A520M-E specifications summary CPU Chipset Memory Graphics Expansion Slots Storage Ethernet USB AMD Socket AM4 for the following items. Motherboard Cables Miscellaneous Application DVD Documentation 1 x PRIME A520M-E motherboard 2 x SATA...
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...pin CPU Fan header 1 x 4-pin Chassis Fan header Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 1 x M.2 slot (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Miscellaneous 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header (continued on the next page) vii PRIME A520M-E specifications summary USB Audio Back Panel...
...pin CPU Fan header 1 x 4-pin Chassis Fan header Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 1 x M.2 slot (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Miscellaneous 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header (continued on the next page) vii PRIME A520M-E specifications summary USB Audio Back Panel...
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ASUS Stainless-Steel Back I/O ASUS Q-Design - ASUS Q-Slot ASUS Thermal Solution - ASUS CrashFree BIOS 3 - ASUS SafeSlot Core - ASUS EZ Flash 3 - ASUS LANGuard - ASUS Q-DIMM - Performance and Power Saving Utility TurboV EVO EPU DIGI+ VRM Fan Xpert - EZ update ASUS CPU-Z AI Charger DAEMON Tools Norton Anti-virus software (Free Trial for the latest specifications. ASUS UEFI BIOS EZ Mode 256 Mb Flash ROM, UEFI AMI BIOS WOL by PME, PXE Windows 10 - 64 bit mATX Form Factor 8.9 inch x 8.7 inch (22.6 cm x 22.1 cm) S pecifications...
ASUS Stainless-Steel Back I/O ASUS Q-Design - ASUS Q-Slot ASUS Thermal Solution - ASUS CrashFree BIOS 3 - ASUS SafeSlot Core - ASUS EZ Flash 3 - ASUS LANGuard - ASUS Q-DIMM - Performance and Power Saving Utility TurboV EVO EPU DIGI+ VRM Fan Xpert - EZ update ASUS CPU-Z AI Charger DAEMON Tools Norton Anti-virus software (Free Trial for the latest specifications. ASUS UEFI BIOS EZ Mode 256 Mb Flash ROM, UEFI AMI BIOS WOL by PME, PXE Windows 10 - 64 bit mATX Form Factor 8.9 inch x 8.7 inch (22.6 cm x 22.1 cm) S pecifications...
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... the power cord before installing or removing the motherboard. Failure to the motherboard, peripherals, or components. ASUS PRIME A520M-E 1-1 Failure to do so may cause severe damage 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...
... the power cord before installing or removing the motherboard. Failure to the motherboard, peripherals, or components. ASUS PRIME A520M-E 1-1 Failure to do so may cause severe damage 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...
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...you use a PSU with a higher power output when configuring a system with Radeon™ Graphics Processors, M.2 slot supports PCIe 3.0 x4 & SATA mode Key M and type 2242/2260/2280 storage devices. 7. Power connectors FAN PWM FAN IN FAN PWR GND These Power connectors allow you to connect fans to install an M.2 device such as optical disc drives and hard disk drives via a SATA cable. 1-2 Chapter 1: Product Introduction M.2 Slot (Key M) The M.2 slot allows you to online resources for Power Supply Wattage Calculator. 6. CPU socket The motherboard comes with ATX 12V Specification...
...you use a PSU with a higher power output when configuring a system with Radeon™ Graphics Processors, M.2 slot supports PCIe 3.0 x4 & SATA mode Key M and type 2242/2260/2280 storage devices. 7. Power connectors FAN PWM FAN IN FAN PWR GND These Power connectors allow you to connect fans to install an M.2 device such as optical disc drives and hard disk drives via a SATA cable. 1-2 Chapter 1: Product Introduction M.2 Slot (Key M) The M.2 slot allows you to online resources for Power Supply Wattage Calculator. 6. CPU socket The motherboard comes with ATX 12V Specification...
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... down the key during the boot process and enter BIOS setup to the USB connectors. COM Port header COM This header is for additional USB 2.0 ports. Clear CMOS header This header allows you to clear the CMOS RTC RAM data of the motherboard's high- If the steps above do not help, remove the onboard battery and short the two pins again to connect USB modules for a chassis-mounted front panel audio I /O module cable to this header. • We recommend that supports HD audio standard. DCD...
... down the key during the boot process and enter BIOS setup to the USB connectors. COM Port header COM This header is for additional USB 2.0 ports. Clear CMOS header This header allows you to clear the CMOS RTC RAM data of the motherboard's high- If the steps above do not help, remove the onboard battery and short the two pins again to connect USB modules for a chassis-mounted front panel audio I /O module cable to this header. • We recommend that supports HD audio standard. DCD...
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... (S/PDIF) port. 13. TPM PIN 1 T_SPI_MOSI T_SPI_CLK GND F_BIOS_WP#_R S_SPI_TPM_CS2# S_SPI_TPM_IRQ# 16. 10-1 pin System Panel header This header supports several chassis-mounted functions. • System power LED (2-pin +PWR_LED-) F_PANEL +PWR_LED- The HDD LED lights up when PIN 1 you to this header. Connect the S/PDIF Out module cable to securely store keys, digital certificates, passwords, and data. The speaker allows you to this header. Connect the chassis HDD_LED+ HDD_LED- Connect the HDD Activity LED cable to...
... (S/PDIF) port. 13. TPM PIN 1 T_SPI_MOSI T_SPI_CLK GND F_BIOS_WP#_R S_SPI_TPM_CS2# S_SPI_TPM_IRQ# 16. 10-1 pin System Panel header This header supports several chassis-mounted functions. • System power LED (2-pin +PWR_LED-) F_PANEL +PWR_LED- The HDD LED lights up when PIN 1 you to this header. Connect the S/PDIF Out module cable to securely store keys, digital certificates, passwords, and data. The speaker allows you to this header. Connect the chassis HDD_LED+ HDD_LED- Connect the HDD Activity LED cable to...
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... allowing playback of this port becomes Front Speaker Out. 6. Video Graphics Adapter (VGA) port. These 9-pin Universal Serial Bus (USB) ports connect to 5Gbps) ports. 1.2.2 Rear panel connectors 1 2 3 45 6 7 8 9 10 6 11 1. USB 3.2 Gen 1 (up from RGB Signal to output from S5 mode Status Off Green Speed LED Description 10Mbps connection 100Mbps connection 1Gbps connection Activity Link Speed LED LED Ethernet port 4. ASUS PRIME A520M-E 1-5 DVI-D can not be converted to CRT and is not compatible with DVI-I. 8. PS/2 Keyboard/Mouse combo...
... allowing playback of this port becomes Front Speaker Out. 6. Video Graphics Adapter (VGA) port. These 9-pin Universal Serial Bus (USB) ports connect to 5Gbps) ports. 1.2.2 Rear panel connectors 1 2 3 45 6 7 8 9 10 6 11 1. USB 3.2 Gen 1 (up from RGB Signal to output from S5 mode Status Off Green Speed LED Description 10Mbps connection 100Mbps connection 1Gbps connection Activity Link Speed LED LED Ethernet port 4. ASUS PRIME A520M-E 1-5 DVI-D can not be converted to CRT and is not compatible with DVI-I. 8. PS/2 Keyboard/Mouse combo...
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... installing the CPU. ASUS PRIME A520M-E 1-7 The AM4 socket has a different pinout design. The CPU fits in only one correct orientation. Installing the CPU 1 2 3 4 Apply the Thermal Interface Material to prevent bending the connectors on the socket and damaging the CPU! Unplug all power cables before you use a CPU designed for 3rd Gen AMD Ryzen™ and 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors. 1.3 Central Processing Unit (CPU) The motherboard...
... installing the CPU. ASUS PRIME A520M-E 1-7 The AM4 socket has a different pinout design. The CPU fits in only one correct orientation. Installing the CPU 1 2 3 4 Apply the Thermal Interface Material to prevent bending the connectors on the socket and damaging the CPU! Unplug all power cables before you use a CPU designed for 3rd Gen AMD Ryzen™ and 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors. 1.3 Central Processing Unit (CPU) The motherboard...
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... DDR3 memory module to www.asus.com for the dual-channel configuration. The figure illustrates the location of the DDR4 DIMM sockets: DIMM_A1* DIMM_B1* Channel Channel A Channel B Sockets DIMM_A1* DIMM_B1* • You may operate at a lower frequency than the vendor-marked value. • For system stability, use a more efficient memory cooling system to support a full memory load (2 DIMMs). • Refer to the DDR4 slot. • The default memory operation frequency is...
... DDR3 memory module to www.asus.com for the dual-channel configuration. The figure illustrates the location of the DDR4 DIMM sockets: DIMM_A1* DIMM_B1* Channel Channel A Channel B Sockets DIMM_A1* DIMM_B1* • You may operate at a lower frequency than the vendor-marked value. • For system stability, use a more efficient memory cooling system to support a full memory load (2 DIMMs). • Refer to the DDR4 slot. • The default memory operation frequency is...
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... screen during the system bootup and requests you to run the BIOS Setup. • You have installed a new system component that are needed for settings and options. For more flexible and convenient mouse input. You can easily navigate the new UEFI BIOS with the same smoothness as storage device configuration, overclocking settings, advanced power management, and boot device configuration that requires further BIOS settings or update. BIOS and RAID Support 2 2.1 Knowing BIOS The new ASUS UEFI BIOS...
... screen during the system bootup and requests you to run the BIOS Setup. • You have installed a new system component that are needed for settings and options. For more flexible and convenient mouse input. You can easily navigate the new UEFI BIOS with the same smoothness as storage device configuration, overclocking settings, advanced power management, and boot device configuration that requires further BIOS settings or update. BIOS and RAID Support 2 2.1 Knowing BIOS The new ASUS UEFI BIOS...
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... BIOS and RAID Support BIOS menu screen The BIOS Setup program can change modes from Setup Mode in using the first two options. The BIOS screens include navigation keys and brief onscreen help to enter BIOS Setup using the BIOS Setup program. Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS setting, try to clear the CMOS and reset the motherboard to ensure system compatibility and stability. 2.2 BIOS Setup program Use the BIOS Setup to turn the system off then back on the system chassis. • Press the power button to update the BIOS or configure...
... BIOS and RAID Support BIOS menu screen The BIOS Setup program can change modes from Setup Mode in using the first two options. The BIOS screens include navigation keys and brief onscreen help to enter BIOS Setup using the BIOS Setup program. Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS setting, try to clear the CMOS and reset the motherboard to ensure system compatibility and stability. 2.2 BIOS Setup program Use the BIOS Setup to turn the system off then back on the system chassis. • Press the power button to update the BIOS or configure...
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... the latest BIOS, and then press . 6. Enter the Advanced Mode of the BIOS setup program. Select via Storage Device(s). 4. Press the Up/Down arrow keys to find the BIOS file, and then press to the USB port. 2. ASUS PRIME A520M-E 2-3 Select the Load Optimized Defaults item under the Exit menu or press hotkey . Press to switch to prevent system boot failure! 1. To update the BIOS by USB: • This function can support devices such as a USB flash disk with...
... the latest BIOS, and then press . 6. Enter the Advanced Mode of the BIOS setup program. Select via Storage Device(s). 4. Press the Up/Down arrow keys to find the BIOS file, and then press to the USB port. 2. ASUS PRIME A520M-E 2-3 Select the Load Optimized Defaults item under the Exit menu or press hotkey . Press to switch to prevent system boot failure! 1. To update the BIOS by USB: • This function can support devices such as a USB flash disk with...
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... to enter BIOS Setup to recover the BIOS setting. DO NOT shut down or reset the system while updating the BIOS! You can cause system boot failure! 2-4 Chapter 2: BIOS and RAID Support The system requires you press to load default BIOS values. Turn on the system. 2. 2.4 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the BIOS file when it to a USB flash drive. Insert the USB flash drive containing the BIOS file to the USB port. 3.
... to enter BIOS Setup to recover the BIOS setting. DO NOT shut down or reset the system while updating the BIOS! You can cause system boot failure! 2-4 Chapter 2: BIOS and RAID Support The system requires you press to load default BIOS values. Turn on the system. 2. 2.4 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the BIOS file when it to a USB flash drive. Insert the USB flash drive containing the BIOS file to the USB port. 3.
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... RAID 0 and RAID 1 configurations. Use two new drives or use an existing drive and three new drives for this setup. 2.5 RAID configurations The motherboard supports RAID 0, RAID 1, and RAID 10 configuration. For more information on configuring your RAID sets, please refer to the RAID Configuration Guide which you get all applications to read and write data in the other drive. The new drive must be calculated and written. ASUS PRIME A520M-E 2-5 Use of a single disk alone, thus improving data access and storage. RAID...
... RAID 0 and RAID 1 configurations. Use two new drives or use an existing drive and three new drives for this setup. 2.5 RAID configurations The motherboard supports RAID 0, RAID 1, and RAID 10 configuration. For more information on configuring your RAID sets, please refer to the RAID Configuration Guide which you get all applications to read and write data in the other drive. The new drive must be calculated and written. ASUS PRIME A520M-E 2-5 Use of a single disk alone, thus improving data access and storage. RAID...
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...ASUS PRIME A520M-E A-1 Operation is connected. - This equipment has been tested and found to radio or television reception, which the receiver is subject to the following measures: - These limits are designed to radio communications. This equipment generates, uses and can be determined by one or more of the following two conditions: (1) This device... installation. Appendix Notices FCC Compliance Information Responsible Party: Asus Computer International Address: 48720 Kato Rd., Fremont, CA 94538, USA Phone / Fax No: (510)739-3777 / (510)608-4555 This device complies with part 15...
...ASUS PRIME A520M-E A-1 Operation is connected. - This equipment has been tested and found to radio or television reception, which the receiver is subject to the following measures: - These limits are designed to radio communications. This equipment generates, uses and can be determined by one or more of the following two conditions: (1) This device... installation. Appendix Notices FCC Compliance Information Responsible Party: Asus Computer International Address: 48720 Kato Rd., Fremont, CA 94538, USA Phone / Fax No: (510)739-3777 / (510)608-4555 This device complies with part 15...