Asus Pro A520M-C II Manual de usuario
Motherboard
Pro A520M-C II
ii
E18277
First Edition
April 2021
Copyright© 2021 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless
such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,
LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY
DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
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. ASUS ASSUMES NO
RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS
MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies, and are used only for identication or explanation and to the
owners’ benet, without intent to infringe.
iii
Contents
Safety information...................................................................................................... iv
About this guide.......................................................................................................... v
Package contents....................................................................................................... vi
Pro A520M-C II 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).................................................................... 1-8
1.4 System memory............................................................................................ 1-9
Chapter 2 BIOS Information
2.1 BIOS Setup program ....................................................................................2-1
2.2 BIOS menu screen........................................................................................2-2
2.3 Event Log ......................................................................................................2-3
2.4 Exit menu ......................................................................................................2-4
Appendix
Notices ..................................................................................................................... A-1
Warranty................................................................................................................... A-6
ASUS contact information...................................................................................... A-8
iv
Safety information
Electrical safety
• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet
before relocating the system.
• When adding or removing devices to or 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 add a device.
• Before connecting or removing signal cables from the motherboard, ensure that all power
cables are unplugged.
• Seek professional assistance before using an adapter or extension cord. These devices
could interrupt the grounding circuit.
• Ensure that your power supply is set to the correct voltage in your area. If you are not
sure about the voltage of the electrical outlet you are using, contact your local power
company.
• If the power supply is broken, do not try to x it by yourself. Contact a qualied service
technician or your retailer.
Operation safety
• Before installing the motherboard and adding components, carefully read all the manuals
that came with the package.
• Before using the product, ensure all cables are correctly connected and the power cables
are not damaged. If you detect any damage, contact your dealer immediately.
• To avoid short circuits, keep paper clips, screws, and staples away from connectors,
slots, sockets and circuitry.
• Avoid dust, humidity, and temperature extremes. Do not place the product in any area
where it may be exposed to moisture.
• Place the product on a stable surface.
• If you encounter technical problems with the product, contact a qualied service
technician or your retailer.
• Your motherboard should only be used in environments with ambient temperatures
between 0°C and 40°C.
v
About this guide
This user guide contains the information you need when installing and conguring the
motherboard.
How this guide is organized
This guide contains the following parts:
• Chapter 1: Product Introduction
This chapter describes the features of the motherboard and the new technology it
supports. It includes descriptions of the switches, jumpers, and connectors on the
motherboard.
• Chapter 2: BIOS Information
This chapter tells how to boot into the BIOS.
Where to find more information
Refer to the following sources for additional information and for product and software
updates.
1. ASUS website
The ASUS website provides updated information on ASUS hardware and software
products. Refer to the ASUS contact information.
2. Optional documentation
Your product package may include optional documentation, such as warranty flyers,
that may have been added by your dealer. These documents are not part of the
standard package.
Conventions used in this guide
To ensure that you perform certain tasks properly, take note of the following symbols used
throughout this manual.
CAUTION: Information to prevent damage to the components and injuries to
yourself when trying to complete a task.
IMPORTANT: Instructions that you MUST follow to complete a task.
NOTE: Tips and additional information to help you complete a task.
vi
Pro A520M-C II specifications summary
CPU
AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series
Desktop Processors*
* Refer to www.asus.com for CPU support list.
Chipset AMD A520 Chipset
Memory
2 x DIMM, Max. 64GB, DDR4 4600(OC)/4400(OC)/4133(OC)/4000(OC)/
3866(OC)/3733(OC)/3600(OC)/3466(OC)/3333(OC)/3200/3000/2800/2666/
2400/2133 MHz, Un-buffered Memory*
Dual Channel Memory Architecture
* ECC memory (ECC mode) support varies by CPU types.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory
frequency support depends on the CPU types.
Graphics
1 x DisplayPort
1 x D-Sub
1 x DVI-D
1 x HDMI™ 2.1 (4K@60Hz)
* Graphics specifications may vary between CPU types.
* The DVI-D port and the DisplayPort cannot work at the same time. Only the DVI-D
port functions when the two ports are both connected.
Expansion Slots
AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
1 x PCIe 3.0 x16 slot (supports x16 mode)
AMD A520 Chipset
2 x PCIe 3.0 x1 slots
1 x PCI slot
Storage
Total supports 1 x M.2 slot and 4 x SATA 6Gb/s ports
AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop 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
Supports RAID 0, 1, and 10
Ethernet 1 x Realtek 1Gb Ethernet
ASUS LANGuard
(continued on the next page)
Package contents
Check your motherboard package for the following items.
Motherboard 1 x Pro A520M-C II motherboard
Cables 2 x SATA 6Gb/s cables
Miscellaneous 1 x I/O Shield
1 x M.2 SSD screw package
Application DVD 1 x Support DVD
Documentation 1 x ACC Express Activation Key card
1 x User manual
If any of the above items is damaged or missing, contact your retailer.
vii
Pro A520M-C II specifications summary
USB
Rear USB (Total 6 ports)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
Front USB (Total 6 ports)
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
Audio
Realtek ALC897 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
* A chassis with an HD audio module in the front panel is required to support 7.1
Surround Sound audio output.
Back Panel I/O Ports
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x D-Sub port
1 x DVI-D port
1 x HDMITM port
1 x Realtek 1Gb Ethernet port
3 x Audio jacks
1 x COM port
1 x PS/2 Keyboard (purple) port
1 x PS/2 Mouse (green) port
Internal I/O
Connectors
Fan and Cooling related
1 x 4-pin CPU Fan header
2 x 4-pin Chassis Fan headers
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 Chassis Intrusion header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x LPC debug header
1 x LPT header
1 x SMBUS header
1 x Speaker header
1 x 10-1 pin System Panel header
(continued on the next page)
viii
Pro A520M-C II specifications summary
Special Features
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-Slot
ASUS Thermal Solution
- Aluminum heatsink design
ASUS EZ DIY
- Box Headers
Bespoke Motherboard Design & Business Focused Features
- ASUS Self Recovering BIOS
- ASUS Event Log
- ASUS Commercial BIOS kit
- Anti-Moisture Coating
- 24/7 Reliability
- Overcurrent Protection
TPM 2.0 IC Onboard
Software Features
ASUS Exclusive Software
IT Management software supported
- ASUS Control Center Express (ACCE)
BIOS 128 Mb Flash ROM, UEFI AMI BIOS
Manageability WOL by PME, PXE
Operating System Windows® 10 64-bit
Form Factor mATX Form Factor
9.6 inch x 9.0 inch (24.4 cm x 22.9 cm)
Specications are subject to change without notice. Refer to the ASUS website for the
latest specications.
ASUS Pro A520M-C II 1-1
USB56USB34
DDR4 DIMM_A1* (64bit, 288-pin module)
DDR4 DIMM_B1* (64bit, 288-pin module)
DIGI+
VRM
CPU_FAN
CHA_FAN2
CHA_FAN1
DP
HDMI
COM2
U32G1_3~6
LAN_USB12
KBMS
DVI
VGA
AUDIO
LPC_DEBUG
F_PANEL
AAFP
SPEAKER
SATA6G_4
CLRTC
SATA6G_3SATA6G_2
SATA6G_1
128Mb
BIOS TPM
EATX12V
EATXPWR
U32G1_12
AMD
A520
BATTERY
Super
I/O
PCIEX1_1
PCIEX1_2 ASM
1083
PCI
M.2(SOCKET3)
2280 2260 2242
PCIEX16
COM1 LPT
22.9cm(9.0in)
24.4cm(9.6in)
SOCKET AM4
Ethernet
Audio
Codec CHASSIS
SMBUS
7
8
6
5
13 1012 15 11
3
5 1 24 4
7 1618179
14
Product Introduction
1
1.1 Before you proceed
Take note of the following precautions before you install motherboard components or change
any motherboard settings.
• Unplug the power cord from the wall socket before touching any component.
• Before handling components, use a grounded wrist strap or touch a safely grounded
object or a metal object, such as the power supply case, to avoid damaging them due
to static electricity.
• Before you install or remove any component, ensure that the ATX power supply is
switched off or the power cord is detached from the power supply. Failure to do so
may cause severe damage to the motherboard, peripherals, or components.
Unplug the power cord before installing or removing the motherboard. Failure to do so can
cause you physical injury and damage motherboard components.
1.2 Motherboard overview
Place this side
towards the rear
of the chassis
1-2 Chapter 1: Product Introduction
1.2.1 Layout contents
1. CPU socket
The motherboard comes with an AMD Socket AM4 designed for AMD Ryzen™ 5000 Series/
4000 G-Series/ 3000 Series Desktop Processors.
For more details, refer to 1.3 Central Processing Unit (CPU).
2. DDR4 DIMM slots
The motherboard comes with Dual Inline Memory Modules (DIMM) slots designed for DDR4
(Double Data Rate 4) memory modules.
For more details, refer to 1.4 System memory.
3. Expansion slots
This motherboard supports one PCIe 3.0 x16 graphics card and two PCIe 3.0 x1 network
cards, SCSI cards and other cards that comply with the PCI Express specication.
The PCI slot supports a card such as a LAN card, SCSI card, USB card, or any other card
that complies with PCI specications.
4. Fan headers
The Fan headers allow you to connect fans to cool the system.
5. Power connectors
These Power connectors allow you to connect your motherboard to a power supply. The
power supply plugs are designed to t in only one orientation. Find the proper orientation and
push down rmly until the power supply plugs are fully inserted.
Ensure to connect the 8-pin power plug.
• For a fully congured system, we recommend that you use a power supply unit
(PSU) that complies with ATX 12V Specication 2.0 (or later version) and provides a
minimum power of 350W.
• We recommend that you use a PSU with a higher power output when conguring a
system with more power-consuming devices. The system may become unstable or
may not boot up if the power is inadequate.
• If you are uncertain about the minimum power supply requirement for your system, we
recommend you to refer to online resources for Power Supply Wattage Calculator.
GND
FAN PWR
FAN IN
FAN PWM
FAN PWM
FAN IN
FAN PWR
GND
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