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ASROCK B550M/ac User Manual

ASROCK B550M/ac
185 pages
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Version 1.0
Published May 2020
Copyright©2020 ASRock INC. All rights reserved.
Copyright Notice:
No part of this documentation may be reproduced, transcribed, transmitted, or
translated in any language, in any form or by any means, except duplication of
documentation by the purchaser for backup purpose, without written consent of
ASRock Inc.
Products and corporate names appearing in this documentation 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.
Disclaimer:
Specications and information contained in this documentation are furnished for
informational use only and subject to change without notice, and should not be
constructed as a commitment by ASRock. ASRock assumes no responsibility for
any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock does not provide
warranty of any kind, either expressed or implied, including but not limited to
the implied warranties or conditions of merchantability or tness for a particular
purpose.
In no event shall ASRock, its directors, ocers, employees, or agents be liable for
any indirect, special, incidental, or consequential damages (including damages for
loss of prots, loss of business, loss of data, interruption of business and the like),
even if ASRock has been advised of the possibility of such damages arising from any
defect or error in the documentation or product.
is device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
CALIFORNIA, USA ONLY
e Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance
controlled in Perchlorate Best Management Practices (BMP) regulations passed by the
California Legislature. When you discard the Lithium battery in California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/
perchlorate
ASRock Website: http://www.asrock.com
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ASROCK B550M/ac Specifications

General IconGeneral
Form FactorMicro ATX
SocketAM4
ChipsetAMD B550
Memory TypeDDR4
Memory Slots4
Maximum Memory128GB
Memory SupportDDR4 4733+(OC)
PCIe x16 Slots1
PCIe x1 Slots2
M.2 Slots2
SATA Ports4
USB Ports (Front)1 x USB 3.2 Gen1, 2 x USB 2.0
Audio7.1 CH HD Audio
Audio CodecRealtek ALC887
Video OutputsHDMI
EthernetGigabit LAN

Summary

Chapter 1 Introduction

Package Contents

Lists all items included in the motherboard package.

Specifications

Details the technical specifications of the motherboard, including CPU, memory, and expansion slots.

Motherboard Layout

I/O Panel Overview

Chapter 2 Installation

Pre-installation Precautions

Provides essential safety and handling guidelines before installing motherboard components.

Installing the CPU

Step-by-step guide for safely installing the CPU onto the motherboard socket.

Installing Memory Modules (DIMM)

Instructions on how to correctly install DDR4 memory modules into the DIMM slots.

Expansion Slot Configuration

Details the PCIe slot types and configurations for different CPU types.

Onboard Headers and Connectors

Identifies and describes the purpose of various onboard headers for chassis connections and LEDs.

M.2 SSD Installation Guide

Provides instructions for installing an M.2 SSD module into the designated slot.

ASRock Polychrome SYNC Utility

Explains how to use the utility for customizing RGB lighting effects on the motherboard.

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