ASROCK B450M STEEL LEGEND User manual

Version 1.0

Published January 2019

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

AUSTRALIA ONLY

Our goods come with guarantees that cannot be excluded under the Australian Consumer

Law. You are entitled to a replacement or refund for a major failure and compensation for

any other reasonably foreseeable loss or damage caused by our goods. You are also entitled

to have the goods repaired or replaced if the goods fail to be of acceptable quality and the

failure does not amount to a major failure. If you require assistance please call ASRock Tel

: +886-2-28965588 ext.123 (Standard International call charges apply)

e terms HDMI® and HDMI High-Denition Multimedia Interface, and the HDMI

logo are trademarks or registered trademarks of HDMI Licensing LLC in the United

States and other countries.

Contents

Chapter 1 Introduction 1

1.1 Package Contents 1

1.2 Specications 2

1.3 Motherboard Layout 7

1.4 I/O Panel 9

Chapter 2 Installation 11

2.1 Installing the CPU 12

2.2 Installing the CPU Fan and Heatsink 14

2.3 Installing Memory Modules (DIMM) 22

2.4 Expansion Slots (PCI Express Slots) 26

2.5 Jumpers Setup 27

2.6 Onboard Headers and Connectors 28

2.7 CrossFireX

TM

and Quad CrossFireX

TM

Operation Guide 33

2.7.1 Installing Two CrossFireX

TM

-Ready Graphics Cards 33

2.7.2 Driver Installation and Setup 35

2.8 M.2_SSD (NGFF) Module Installation Guide (M2_1) 36

2.9 M.2_SSD (NGFF) Module Installation Guide (M2_2) 39

Chapter 3 Software and Utilities Operation 42

3.1 Installing Drivers 42

3.2 A-Tuning 43

3.2.1 Installing A-Tuning 43

3.2.2 Using A-Tuning 43

3.3 ASRock Live Update & APP Shop 46

3.3.1 UI Overview 46

3.3.2 Apps 47

3.3.3 BIOS & Drivers 50

3.3.4 Setting 51

3.4 ASRock Polychrome RGB 52

Chapter 4 UEFI SETUP UTILITY 55

4.1 Introduction 55

4.1.1 UEFI Menu Bar 55

4.1.2 Navigation Keys 56

4.2 Main Screen 57

4.3 OC Tweaker Screen 58

4.4 Advanced Screen 61

4.4.1 CPU Conguration 62

4.4.2 North Bridge Conguration 63

4.4.3 South Bridge Conguration 64

4.4.4 Storage Conguration 65

4.4.5 Super IO Conguration 66

4.4.6 ACPI Conguration 67

4.4.7 Trusted Computing 68

4.4.8 AMD CBS 69

4.4.9 AMD PBS 77

4.5 Tools 78

4.6 Hardware Health Event Monitoring Screen 80

Chapter 1 Introduction

ank you for purchasing ASRock B450M Steel Legend motherboard, a reliable

motherboard produced under ASRock’s consistently stringent quality control.

It delivers excellent performance with robust design conforming to ASRock’s

commitment to quality and endurance.

In this manual, Chapter 1 and 2 contains the introduction of the motherboard

and step-by-step installation guides. Chapter 3 contains the operation guide of the

soware and utilities. Chapter 4 contains the conguration guide of the BIOS setup.

1.1 Package Contents

•

ASRock B450M Steel Legend Motherboard (Micro ATX Form Factor)

•

ASRock B450M Steel Legend Quick Installation Guide

•

ASRock B450M Steel Legend Support CD

•

1 x I/O Panel Shield

•

2 x Serial ATA (SATA) Data Cables (Optional)

•

2 x Screws for M.2 Sockets (Optional)

4.7 Security Screen 83

4.8 Boot Screen 84

4.9 Exit Screen 87

B450M Steel Legend

1

English

Chapter 1 Introduction

ank you for purchasing ASRock B450M Steel Legend motherboard, a reliable

motherboard produced under ASRock’s consistently stringent quality control.

It delivers excellent performance with robust design conforming to ASRock’s

commitment to quality and endurance.

In this manual, Chapter 1 and 2 contains the introduction of the motherboard

and step-by-step installation guides. Chapter 3 contains the operation guide of the

soware and utilities. Chapter 4 contains the conguration guide of the BIOS setup.

1.1 Package Contents

•

ASRock B450M Steel Legend Motherboard (Micro ATX Form Factor)

•

ASRock B450M Steel Legend Quick Installation Guide

•

ASRock B450M Steel Legend Support CD

•

1 x I/O Panel Shield

•

2 x Serial ATA (SATA) Data Cables (Optional)

•

2 x Screws for M.2 Sockets (Optional)

Because the motherboard specications and the BIOS soware might be updated, the

content of this manual will be subject to change without notice. In case any modica-

tions of this manual occur, the updated version will be available on ASRock’s website

without further notice. If you require technical support related to this motherboard,

please visit our website for specic information about the model you are using. You

may nd the latest VGA cards and CPU support list on ASRock’s website as well.

ASRock website http://www.asrock.com.

English

2

1.2 Specications

Platform

•

Micro ATX Form Factor

CPU

•

AMD AM4 Socket

•

Digi Power design

•

6 Power Phase design

•

Supports 105W Water Cooling (Pinnacle Ridge); Supports

95W Water Cooling (Summit Ridge); Supports 65W Water

Cooling (Raven Ridge)

Chipset

•

AMD Promontory B450

Memory

•

Dual Channel DDR4 Memory Technology

•

4 x DDR4 DIMM Slots

•

AMD Ryzen series CPUs (Matisse) support DDR4

3200/2933/2667/2400/2133 ECC & non-ECC, un-buered

memory*

•

AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4

3533+(OC)/3200(OC)/2933(OC)/2667/2400/2133 ECC & non-

ECC, un-buered memory*

•

AMD Ryzen series CPUs (Picasso) support DDR4

2933/2667/2400/2133 non-ECC, un-buered memory*

•

AMD Ryzen series CPUs (Summit Ridge) support DDR4

3466+(OC)/3200(OC)/2933(OC)/2667/2400/2133 ECC &

non-ECC, un-buered memory*

•

AMD Ryzen series CPUs (Raven Ridge) support DDR4

3466+(OC)/3200(OC)/2933/2667/2400/2133 non-ECC, un-

buered memory*

* For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only

supported with PRO CPUs.

* Please refer to Memory Support List on ASRock’s website for

more information. (http://www.asrock.com/)

* Please refer to page 22 for the table for AMD non-XMP mem-

ory frequency support. For more details, please refer to the QVL

on ASRock’s website.

•

Max. capacity of system memory: 64GB

•

15μ Gold Contact in DIMM Slots

B450M Steel Legend

3

English

Expansion

Slot

AMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle

Ridge)

•

1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*

•

1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)

AMD Ryzen series CPUs (Picasso, Raven Ridge)

•

1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)*

•

1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)

AMD Athlon series CPUs

•

1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)*

•

1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)

* Supports NVMe SSD as boot disks

•

1 x PCI Express 2.0 x1 Slot

•

Supports AMD Quad CrossFireX

TM

and CrossFireX

TM

Graphics

•

Integrated AMD Radeon

TM

Vega Series Graphics in Ryzen

Series APU*

* Actual support may vary by CPU

•

DirectX 12, Pixel Shader 5.0

•

Shared memory default 2GB. Max Shared memory supports

up to 16GB.

* e Max shared memory 16GB requires 32GB system memory

installed.

•

Dual graphics output: Support HDMI and DisplayPort 1.2

ports by independent display controllers

•

Supports HDMI 1.4 with max. resolution up to 4K x 2K

(4096x2160) @ 24Hz / (3840x2160) @ 30Hz

•

Supports DisplayPort 1.2 with max. resolution up to 4K x 2K

(4096x2160) @ 60Hz

•

Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and

HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant

HDMI monitor is required)

•

Supports HDCP 1.4 with HDMI 1.4 and DisplayPort 1.2 Ports

•

Supports 4K Ultra HD (UHD) playback with HDMI 1.4 and

DisplayPort 1.2 Ports

English

4

Audio

•

7.1 CH HD Audio with Content Protection (Realtek ALC892

Audio Codec)

•

Premium Blu-ray Audio support

•

Supports Surge Protection

•

Nichicon Fine Gold Series Audio Caps

•

PCB Isolate Shielding

•

Individual PCB Layers for R/L Audio Channel

•

Gold Audio Jacks

LAN

•

PCIE x1 Gigabit LAN 10/100/1000 Mb/s

•

Realtek RTL8111H

•

Supports Wake-On-LAN

•

Supports Lightning/ESD Protection

•

Supports Energy Ecient Ethernet 802.3az

•

Supports PXE

Rear Panel

I/O

•

1 x PS/2 Mouse/Keyboard Port

•

1 x HDMI Port

•

1 x DisplayPort 1.2

•

1 x Optical SPDIF Out Port

•

2 x USB 2.0 Ports (Supports ESD Protection)

•

1 x USB 3.1 Gen2 Type-A Port (10 Gb/s) (Supports ESD Pro-

tection)

•

1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (Supports ESD Pro-

tection)

•

4 x USB 3.1 Gen1 Ports (Supports ESD Protection)

•

1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED

LED)

•

HD Audio Jacks: Rear Speaker / Central / Bass / Line in /

Front Speaker / Microphone (Gold Audio Jacks)

Storage

•

4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0,

RAID 1 and RAID 10), NCQ, AHCI and Hot Plug*

* M2_2 and SATA3_3 share lanes. If either one of them is in use,

the other one will be disabled.

•

1 x Ultra M.2 Socket (M2_1), supports M Key type

2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32

Gb/s) (with Matisse, Picasso, Summit Ridge, Raven Ridge and

Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon 2xxGE

series APU)**

B450M Steel Legend

5

English

•

1 x M.2 Socket (M2_2), supports M Key type

2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module**

** Supports NVMe SSD as boot disks

** Supports ASRock U.2 Kit

Connector

•

1 x COM Port Header

•

1 x TPM Header

•

1 x Chassis Intrusion Header

•

1 x Power LED and Speaker Header

•

1 x RGB LED Header

* Supports in total up to 12V/3A, 36W LED Strip

•

1 x Addressable LED Header

* Supports in total up to 5V/3A, 15W LED Strip

•

1 x AMD Fan LED Header

* e AMD Fan LED Header supports LED strips of maximum

load of 3A (36W) and length up to 2.5M.

•

1 x CPU Fan Connector (4-pin)

* e CPU Fan Connector supports the CPU fan of maximum

1A (12W) fan power.

•

1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan

Speed Control)

* e CPU/Water Pump Fan supports the water cooler fan of

maximum 2A (24W) fan power.

•

3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan

Speed Control)

* e Chassis/Water Pump Fan supports the water cooler fan of

maximum 2A (24W) fan power.

* CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP and

CHA_FAN3/WP can auto detect if 3-pin or 4-pin fan is in use.

•

1 x 24 pin ATX Power Connector

•

1 x 8 pin 12V Power Connector

•

1 x Front Panel Audio Connector

•

2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD

Protection)

•

1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports)

(Supports ESD Protection)

English

6

* For detailed product information, please visit our website:

http://www.asrock.com

Please realize that there is a certain risk involved with overclocking, including adjust-

ing the setting in the BIOS, applying Untied Overclocking Technology, or using third-

party overclocking tools. Overclocking may aect your system’s stability, or even cause

damage to the components and devices of your system. It should be done at your own

risk and expense. We are not responsible for possible damage caused by overclocking.

BIOS

Feature

•

AMI UEFI Legal BIOS with multilingual GUI support

•

Supports “Plug and Play”

•

ACPI 5.1 compliance wake up events

•

Supports jumperfree

•

SMBIOS 2.3 support

•

DRAM Voltage multi-adjustment

Hardware

Monitor

•

Temperature Sensing: CPU, CPU/Water Pump, Chassis/Wa-

ter Pump Fans

•

Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water

Pump Fans

•

Quiet Fan (Auto adjust chassis fan speed by CPU tempera-

ture): CPU, CPU/Water Pump, Chassis/Water Pump Fans

•

Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/

Water Pump Fans

•

CASE OPEN detection

•

Voltage monitoring: +12V, +5V, +3.3V, Vcore

OS

•

Microso® Windows® 10 64-bit

Certica-

tions

•

FCC, CE

•

ErP/EuP ready (ErP/EuP ready power supply is required)

B450M Steel Legend

7

English

1.3 Motherboard Layout

3

4

2

7

5

6

8

9

1 0

1 1

1

1 5

1 7

1 6

1 3

1 2

1 8

1 9

1 4

ATXPWR1

Super

I/O

CLR CMO S1

1

PCIE2

HD_ AU DIO 1

1

CPU _FAN 2/ WP

RJ-45 LAN

SOCKET AM 4

USB 3 .1 Gen2

1

COM 1

CMOS

Battery

ATX1 2V 1

M2_1

Ul t r a M. 2

PC Ie Ge n3 x4

USB 3_ 56

1

CHA _FAN 1/W P

HDLE D RE SET

PLED PWRBT N

PANE L1

1

RoHS

SPK _PL ED1

1

DDR4_A 1 (64 bit, 288 -pin module)

DDR4_A 2 (64 bit, 288 -pin module)

DDR4_B 1 (64 bit, 288 -pin module)

DDR4_B 2 (64 bit, 288 -pin module)

PCIE1

PCIE3

M2_2

M2_ 2_ CT2M2_ 2_ CT3M2_ 2_ CT4 M2_ 2_ CT1

AMD

Promontor y

B450

AMD_ FAN_ LED 1

1

M2_ 1_ CT3M2_ 1_ CT2M2_ 1_ CT1

1

USB _5_ 6

TPM S1

1

SATA3 _3

SATA3 _4

SATA3 _1

SATA3 _2

2 1

2 0

2 2

2 6

B450M

STEEL LEGEND

USB 3 .1 Gen 1

T: USB3 _3

B: USB3_ 4

USB 3. 1 Ge n2

T: USB 31 _TA_1

B: U SB 31 _T C_ 1

HDMI1

USB 2.0

T: USB1

B: USB2

PS2

Keybo ard/

Mouse

CPU _FAN 1

CI1

1

CHA _FAN 2/ WP

CHA _FAN 3/ WP

1

USB _3_ 4

RGB_ HEA DER 1

1

ADDR _LE D1

1

2 4

2 3

2 5

DP1

USB 3 .1 Gen 1

T: USB3 _1

B: USB3_ 2

Top:

Central/Bass

Cen te r:

REA R S PK

Top:

LIN E I N

Cen te r:

FRO NT

Bot to m:

Opt ic al

SPD IF

Bot to m:

MIC IN

English

8

No. Description

1 ATX 12V Power Connector (ATX12V1)

2 CPU/Water Pump Fan Connector (CPU_FAN2/WP)

3 CPU Fan Connector (CPU_FAN1)

4 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)

5 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)

6 AMD Fan LED Header (AMD_FAN_LED1)

7 ATX Power Connector (ATXPWR1)

8 USB 3.1 Gen1 Header (USB3_56)

9 SATA3 Connector (SATA3_3)

10 SATA3 Connector (SATA3_4)

11 SATA3 Connector (SATA3_2)

12 SATA3 Connector (SATA3_1)

13 System Panel Header (PANEL1)

14 Power LED and Speaker Header (SPK_PLED1)

15 Chassis Intrusion Header (CI1)

16 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)

17 Chassis/Water Pump Fan Connector (CHA_FAN3/WP)

18 Clear CMOS Jumper (CLRCMOS1)

19 USB 2.0 Header (USB_5_6)

20 USB 2.0 Header (USB_3_4)

21 COM Port Header (COM1)

22 TPM Header (TPMS1)

23 RGB LED Header (RGB_HEADER1)

24 Addressable LED Header (ADDR_LED1)

25 Front Panel Audio Header (HD_AUDIO1)

26 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)

B450M Steel Legend

9

English

1.4 I/O Panel

No. Description No. Description

1 USB 2.0 Ports (USB_1_2)* 9 USB 3.1 Gen2 Type-A Port (USB31_TA_1)

2 LAN RJ-45 Port** 10 USB 3.1 Gen2 Type-C Port (USB31_TC_1)

3 Central / Bass (Orange) 11 USB 3.1 Gen1 Ports (USB3_12)

4 Rear Speaker (Black) 12 USB 3.1 Gen1 Ports (USB3_34)

5 Line In (Light Blue) 13 HDMI Port

6 Front Speaker (Lime)*** 14 DisplayPort 1.2

7 Microphone (Pink) 15 PS/2 Mouse/Keyboard Port

8 Optical SPDIF Out Port

1

11

12

1315 14

789

10

4

3

6

5

2

English

10

*** If you use a 2-channel speaker, please connect the speaker’s plug into “Front Speaker Jack”. See the table below

for connection details in accordance with the type of speaker you use.

Audio Output

Channels

Front Speaker

(No. 6)

Rear Speaker

(No. 4)

Central / Bass

(No. 3)

Line In

(No. 5)

2 V -- -- --

4 V V -- --

6 V V V --

8 V V V V

** ere are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.

Activity / Link LED Speed LED

Status Description Status Description

O No Link O 10Mbps connection

Blinking Data Activity Orange 100Mbps connection

On Link Green 1Gbps connection

ACT/LINK LED

SPEED LED

LAN Port

* Please note that the USB_1 and USB_2 consume auxiliary power (+5VSB) while the other USB ports consume

DUAL Power (+5VDUAL). e USB_1 and USB_2 are optimal for connecting the USB Type speaker and headset.

B450M Steel Legend

11

English

is is a Micro ATX form factor motherboard. Before you install the motherboard,

study the conguration of your chassis to ensure that the motherboard ts into it.

Pre-installation Precautions

Take note of the following precautions before you install motherboard components

or change any motherboard settings.

•

Make sure to unplug the power cord before installing or removing the motherboard.

Failure to do so may cause physical injuries to you and damages to motherboard

components.

•

In order to avoid damage from static electricity to the motherboard’s components,

NEVER place your motherboard directly on a carpet. Also remember to use a grounded

wrist strap or touch a safety grounded object before you handle the components.

•

Hold components by the edges and do not touch the ICs.

•

Whenever you uninstall any components, place them on a grounded anti-static pad or

in the bag that comes with the components.

•

When placing screws to secure the motherboard to the chassis, please do not over-

tighten the screws! Doing so may damage the motherboard.

Chapter 2 Installation

English

12

2.1 Installing the CPU

Unplug all power cables before installing the CPU.

2

1

B450M Steel Legend

13

English

3

English

14

2.2 Installing the CPU Fan and Heatsink

Aer you install the CPU into this motherboard, it is necessary to install a larger

heatsink and cooling fan to dissipate heat. You also need to spray thermal grease

between the CPU and the heatsink to improve heat dissipation. Make sure that the

CPU and the heatsink are securely fastened and in good contact with each other.

Installing the CPU Box Cooler SR1

Please turn o the power or remove the power cord before changing a CPU or heatsink.

1

2

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ASROCK B450M STEEL LEGEND User manual

ASROCK B450M STEEL LEGEND User manual

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