Asus PRIME B650M-A II Manual de usuario

Motherboard

PRIME B650M-A II

E21430

First Edition

November 2022

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, modied or altered, unless

such repair, modication 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 identication or explanation and to the

owners’ benet, without intent to infringe.

iii

Contents

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

About this guide.......................................................................................................... v

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

PRIME B650M-A II specications summary ............................................................ vi

Chapter 1: Product Introduction

1.1 Before you proceed...................................................................................... 1-1

1.2 Motherboard overview ................................................................................. 1-2

1.3 Central Processing Unit (CPU).................................................................. 1-10

1.4 System memory.......................................................................................... 1-11

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 congurations..................................................................................... 2-5

Appendix

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

Warranty................................................................................................................... A-6

ASUS contact information...................................................................................... A-8

Service and Support ............................................................................................... A-8

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 become wet.

• Place the product on a stable surface.

• If you encounter technical problems with the product, contact a qualied service

technician or your retailer.

• Your motherboard should only be used in environments with ambient temperatures

between 0°C and 40°C.

Button/Coin Batteries Safety Information

WARNING

KEEP OUT OF REACH OF CHILDREN

Swallowing can lead to chemical burns,

perforation of soft tissue, and death.

Severe burns can occur within 2 hours

of ingestion. Seek medical attention

immediately.

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 and RAID Support

This chapter tells how to boot into the BIOS, upgrade BIOS using the EZ Flash Utility

and support on RAID.

Where to nd more information

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

updates.

1. ASUS website

The ASUS website (www.asus.com) provides updated information on ASUS hardware

and software products.

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 user guide.

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.

Package contents

Check your motherboard package for the following items.

Motherboard 1 x PRIME B650M-A II motherboard

Cables 2 x SATA 6Gb/s cables

Miscellaneous 1 x I/O Shield

1 x Screw package for M.2 SSD

Documentation 1 x User guide

If any of the above items is damaged or missing, contact your retailer.

PRIME B650M-A II specications summary

CPU AMD Socket AM5 for AMD Ryzen™ 7000 Series Desktop Processors*

* Refer to www.asus.com for CPU support list.

Chipset AMD B650 Chipset

Memory

4 x DIMM, Max. 128GB, DDR5 ECC and Non-ECC, Un-buffered Memory*

Dual Channel Memory Architecture

Supports AMD Extended Proles for Overclocking (EXPO™)

OptiMem II

* Supported memory types, data rate (speed), and number of DRAM modules vary

depending on the CPU and memory configuration, for more information please

refer to CPU/Memory Support list under the Support tab of product information site

or visit https://www.asus.com/support/.

* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.

Graphics

1 x DisplayPort**

1 x VGA port

1 x HDMI® port***

* Graphics specifications may vary between CPU types. Please refer to AMD CPU

specifications.

** Supports max. 8K@60Hz as specified in DisplayPort 1.4.

***Supports 4K@60Hz as specified in HDMI 2.1.

Expansion Slots

AMD Ryzen™ 7000 Series Desktop Processors

1 x PCIe 4.0 x16 slot (supports x16 mode)

AMD B650 Chipset

2 x PCIe 4.0 x16 slots (support x1 mode)

* Please check the PCIe bifurcation table on the support site

(https://www.asus.com/support/FAQ/1037507/).

Storage

Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports*

AMD Ryzen™ 7000 Series Desktop Processors

M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)

AMD B650 Chipset

M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)

4 x SATA 6Gb/s ports

* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID

0/1/10.

(continued on the next page)

vii

PRIME B650M-A II specications summary

Ethernet 1 x Realtek 2.5Gb Ethernet

USB

Rear USB (Total 8 ports)

2 x USB 3.2 Gen 2 ports (2 x Type-A)

2 x USB 3.2 Gen 1 ports (2 x Type-A)

4 x USB 2.0 ports (4 x Type-A)

Front USB (Total 7 ports)

1 x USB 3.2 Gen 1 connector (supports USB Type-C®)

1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Audio

Realtek 7.1 Surround Sound High Denition Audio CODEC*

- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking

- Supports up to 24-Bit/192kHz playback

Audio Features

- Audio Shielding

- Premium audio capacitors

- Dedicated audio PCB layers

* 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

2 x USB 3.2 Gen 2 ports (2 x Type-A)

2 x USB 3.2 Gen 1 ports (2 x Type-A)

4 x USB 2.0 ports (4 x Type-A)

1 x DisplayPort

1 x VGA port

1 x HDMI®port

1 x Realtek 2.5Gb Ethernet port

3 x Audio jacks

1 x BIOS FlashBack™ button

1 x PS/2 Keyboard/Mouse combo port

Internal I/O

Connectors

Fan and Cooling related

1 x 4-pin CPU Fan header

1 x 4-pin CPU OPT Fan header

3 x 4-pin Chassis Fan headers

Power related

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

Storage related

2 x M.2 slots (Key M)

4 x SATA 6Gb/s ports

(continued on the next page)

viii

PRIME B650M-A II specications summary

Internal I/O

Connectors

USB

1 x USB 3.2 Gen 1 connector (supports USB Type-C®)

1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Miscellaneous

3 x Addressable Gen 2 headers

1 x Aura RGB header

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 (14-1 pin)

1 x 10-1 pin System Panel header

Special Features

ASUS 5X PROTECTION III

- DIGI+ VRM

- LANGuard

- Overvoltage Protection

- SafeSlot Core+

- Stainless-Steel Back I/O

ASUS Q-Design

- Q-DIMM

- Q-LED Core

- Q-Slot

ASUS Thermal Solution

- VRM heatsink design

ASUS EZ DIY

- BIOS FlashBack™ button

- BIOS FlashBack™ LED

Aura Sync

- Aura RGB header

- Addressable Gen 2 headers

Software

Features

ASUS Exclusive Software

Armoury Crate

- Aura Creator

- Aura Sync

- Fan Xpert 2+

- Power Saving

AI Suite 3

- TurboV EVO

- DIGI+ VRM

- PC Cleaner

ASUS CPU-Z

Norton Anti-virus software (Free Trial version)

WinRAR

(continued on the next page)

PRIME B650M-A II specications summary

Software

Features

UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

BIOS 256 Mb Flash ROM, UEFI AMI BIOS

Manageability WOL by PME, PXE

Operating System Windows®11, Windows®10 64-bit

Form Factor mATX Form Factor

9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)

• Specifications are subject to change without notice. Please refer to the ASUS website

for the latest specifications.

• For more information on downloading and installing drivers and utilities for your

motherboard, please scan the QR code below:

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