Asus A320M-K User Manual

PRIME A320M-K

Motherboard

E15417
Revised Edition

April 2019

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ii

Contents

Safety information ...................................................................................... iv

About this guide ......................................................................................... iv

Package contents ....................................................................................... vi

PRIME A320M-K specications summary ................................................ vi

Chapter 1: Product introduction

Motherboard overview ............................................................................. 1-1

Central Processing Unit (CPU) ................................................................ 1-8

System memory ........................................................................................ 1-9

Chapter 2: BIOS information

BIOS setup program ................................................................................. 2-1

EZ Mode ..................................................................................................... 2-2

Advanced Mode ........................................................................................ 2-3

Exit menu ................................................................................................... 2-4

Appendix

Notices .......................................................................................................A-1

ASUS contact information .......................................................................A-5

iii

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 qualied 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 qualied service

technician or your retailer.

About this guide

This user guide contains the information you need when installing and conguring 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 discusses changing system settings through the BIOS Setup menus.

iv

Where to nd more information

Refer to the following sources for additional information and for product and software
updates.

1. ASUS websites

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 yers,

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.

DANGER/WARNING: Information to prevent injury to yourself when
completing a task.

CAUTION: Information to prevent damage to the components when
completing a task

IMPORTANT: Instructions that you MUST follow to complete a task.

NOTE: Tips and additional information to help you complete a task.

Typography

Bold text Indicates a menu or an item to select.

Italics

<Key> Keys enclosed in the less-than and greater-than sign

<Key1> + <Key2> + <Key3> If you must press two or more keys simultaneously, the key

Used to emphasize a word or a phrase.

means that you must press the enclosed key.

Example: <Enter> means that you must press the Enter or
Return key.

names are linked with a plus sign (+).

v

Package contents

Check your motherboard package for the following items.

Motherboard

Cables

Accessories

Application DVD

Documentation

ASUS PRIME A320M-K 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 the above items is damaged or missing, contact your retailer.

PRIME A320M-K specications summary

AM4 socket for AMD Ryzen™ / 7th Generation A-series / Athlon™ processors

CPU

Chipset AMD A320 chipset

Memory

Graphics

Expansion
slots

LAN Realtek® 8111H Gigabit LAN controller

Audio

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.

AMD Ryzen™ processors:

2 x DIMMs, max. 32GB, DDR4 3200(O.C.)/2933(O.C.)/2666/2400/2133 MHz, ECC

and non-ECC, un-buffered memory

AMD 7th Generation A-series / Athlon™ processors:

2 x DIMMs, max. 32GB, DDR4 2400/2133 MHz, non-ECC un-buffered memory

Dual-channel memory architecture

* Refer to www.asus.com for the latest Memory QVL (Qualied Vendors List).

Integrated AMD Radeon™ R Series Graphics in the 7th Generation A-series APU

Multi-VGA output support: HDMI, and D-Sub ports

- Supports HDMI 1.4b with maximum resolution of 4096 x 2160 @24Hz / 2560 x
1600 @60Hz

- Supports D-Sub with maximum resolution of 1920 x 1200 @60Hz

- Maximum shared memory of 2048 MB

AMD Ryzen™ processors:

1 x PCI Express 3.0/2.0 x16 slot (max. @x16 mode)

AMD 7th Generation A-series / Athlon™ processors:

1 x PCI Express 3.0/2.0 x16 slot (max. @x8 mode)

AMD A320 Chipset:

2 x PCI Express 2.0 x1 slots

Realtek® ALC 887-VD2 8-Channel High Denition Audio CODEC

* Use a chassis with HD audio module in the front panel to support an 8-channel audio

output.

(continued on the next page)

vi

PRIME A320M-K specications summary

AMD A320 Chipset

- 4 x Serial ATA 6.0 Gb/s connectors with RAID 0, RAID 1 and RAID 10 support

AMD Ryzen™ processors:

Storage

USB

ASUS unique
features

- 1 x M.2 socket 3 with M Key, Type 2242/2260/2280 (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 (SATA mode) storage
devices support

AMD Ryzen™ / 7th Generation A-series / Athlon™ processors

- 4 x USB 3.1 Gen 1 ports (4 ports at back panel)

AMD A320 Chipset:

- 2 x USB 3.1 Gen 1 ports ( 2 ports at mid-board)

- 6 x USB 2.0/1.1 ports ( 2 ports at back panel, 4 ports at mid-board)

Dependable Stability

ASUS 5X PROTECTION III

- ASUS SafeSlot Core: Fortied PCIe Slot prevents damage

- ASUS LANGuard: Protects against LAN surges, lightning strikes and static­electricity discharges!

- ASUS Overvoltage Protection: World-class circuit-protecting power design

- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!

- ASUS DIGI+ VRM: 6 Phase digital power design

Superb performance

UEFI BIOS

- Most advanced options with fast response time

Easy PC DIY

Safe motherboard mounting

- Component-free areas to minimize damage risk

Q-Design

- ASUS Q-DIMM

- ASUS Q-Slot

UEFI BIOS EZ Mode

- featuring friendly graphics user interface

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

ASUS Quiet
Thermal
Solution

Quiet Thermal Design:

- Stylish Fanless Design: Chipset Heat-sink solution

- ASUS Fan Xpert

(continued on the next page)

vii

PRIME A320M-K specications summary

1 x PS/2 keyboard port (purple)

1 x PS/2 mouse port (green)

1 x HDMI port

Rear panel I/O
ports

Internal
connectors

BIOS features

Manageability WfM 2.0, DMI 3.0, WOL by PME, PXE

Support DVD

OS support Windows® 10 (64-bit)

Form factor

1 x D-Sub port

1 x LAN (RJ-45) port

2 x USB 2.0/1.1 ports

4 x USB 3.1 Gen 1 ports

3 x Audio jacks support 8-channel audio output

1 x USB 3.1 Gen 1 connector supports additional 2 USB 3.1 Gen 1 ports

2 x USB 2.0/1.1 connectors support additional 4 USB 2.0/1.1 ports

1 x M.2 socket 3 for M Key and type 2242/2260/2280 devices

4 x SATA 6.0Gb/s connectors

1 x COM connector

1 x CPU Fan connector

1 x Chassis Fan connector

1 x Front panel audio connector

1 x 24-pin EATX power connector

1 x 4-pin ATX 12V power connector

1 x 2-pin Clear CMOS header

1 x S/PDIF out connector

1 x Speaker 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 Modied log, F12 PrintScreen, ASUS DRAM SPD (Serial

Presence Detect) memory information, F6 Qfan Control

Drivers

ASUS utilities

ASUS Update

Anti-virus software (OEM version)

uATX form factor: 8.9” x 8.7” (22.6 cm x 22.1 cm)

viii

Specications are subject to change without notice.

Product introduction

Motherboard overview

• 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 to motherboard components.

1

Place this

side towards

the rear of the

chassis

1 42 23

KBMS

ATX12V

VGA

HDMI

USB3_56

USB12

LAN_USB3_34

AUDIO

16

15

CHA_FAN

BATTERY

LANGuard

Realtek
8111H

Super

I/O

PCIEX1_1

ALC
887

SPDIF_OUT

AAFP

2280 2260 2242

PCIEX1_2

COM

22.1cm(8.7in)

128Mb
BIOS

PCIEX16

PRIME A320M-K

CLRTC

USB56USB34

USB3_12

DIGI
+VRM

910111214 13

Scan the QR code to get the detailed pin denitions.

M.2_1(SOCKET3)

SPEAKER

F_PANEL

8

CPU_FAN

SOCKET AM4

DDR4 DIMM_A1 (64bit, 288-pin module)

AMD

A320

SATA6G_1 SATA6G_2

7

1

1

DDR4 DIMM_B1 (64bit,288-pin module)

EATXPWR

22.6cm(8.9in)

1

®

SATA6G_4

5

SATA6G_3

6

ASUS PRIME A320M-K

1-1