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Contents

2

3

5

 6

LAN Port LED Status Table ........................................................................................6

7

CPU Socket .................................................................................................................8

DIMM Slots..................................................................................................................9

PCI_E1~2: PCIe Expansion Slots ................................................................................9

JFP1, JFP2: Front Panel Connectors .......................................................................10

SATA1~4: SATA 6Gb/s Connectors ...........................................................................10

ATX_PWR1, CPU_PWR1: Power Connectors ...........................................................11

CPU_FAN1, SYS_FAN1: PWM Fan Connectors .......................................................11

JUSB1, JUSB2: USB 2.0 Connectors ........................................................................12

JUSB3: USB 3.2 Gen1 Connector .............................................................................12

JAUD1: Front Audio Connector ................................................................................13

JCOM1: Serial Port Connector .................................................................................13

JTPM1: TPM Module Connector ...............................................................................13

JCI1: Chassis Intrusion Connector ...........................................................................14

JBAT1: Clear CMOS (Reset BIOS) Jumper ...............................................................14

15

Entering BIOS Setup .................................................................................................15

Resetting BIOS ..........................................................................................................16

Updating BIOS...........................................................................................................16

17

Installing Windows® 10 .............................................................................................17

Installing Drivers ......................................................................................................17

Installing Utilities .....................................................................................................17

Thank you for purchasing the MSI®  mother-

board. This User Guide gives information about board layout,

component overview, BIOS setup and software installation.

Questions and Answers:

Need help?

Do you have a question about the MSI A320M-A PRO and is the answer not in the manual?

MSI A320M-A PRO Specifications

General

Audio chip	Realtek ALC892
Component for	PC
Motherboard chipset	AMD A320
PC health monitoring	CPU, FAN, Temperature
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Number of mounting holes	6
Motherboard chipset family	AMD
Windows operating systems supported	Windows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home x64, Windows 10 Pro x64, Windows 10 x64, Windows 7 Enterprise x64, Windows 7 Home Basic x64, Windows 7 Home Premium x64, Windows 7 Professional x64, Windows 7 Starter x64, Windows 7 Ultimate x64, Windows 7 x64
Cables included	SATA
Drivers included	Yes
DirectX version	12.0
Maximum resolution	4096 x 2160 pixels
Maximum graphics card memory	2048 MB
Parallel processing technology support	Not supported
HDMI version	1.4
PS/2 ports quantity	2
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Ethernet LAN (RJ-45) ports	1
VGA (D-Sub) ports quantity	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
RAID levels	0, 1, 10
Supported storage drive interfaces	SATA III
Wi-Fi	No
LAN controller	Realtek 8111H
Ethernet interface type	Gigabit Ethernet
BIOS type	UEFI AMI
ACPI version	6.1
BIOS memory size	128 Mbit
System Management BIOS (SMBIOS) version	2.8
Memory channels	Dual-channel
Memory slots type	DIMM
Supported memory types	DDR4-SDRAM
Maximum internal memory	32 GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2933, 3200 MHz
Processor socket	Socket AM4
Compatible processor series	AMD A, AMD Athlon, AMD Athlon X4, AMD Ryzen 3, AMD Ryzen 3 2nd Gen, AMD Ryzen 3 3rd Gen, AMD Ryzen 5, AMD Ryzen 5 2nd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7, AMD Ryzen 7 2nd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen
Harmonized System (HS) code	84733020