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 identication or explanation and to the owners’ benet, without intent to
infringe.
Disclaimer:
Specications 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, ocers, employees, or agents be liable for
any indirect, special, incidental, or consequential damages (including damages for
loss of prots, loss of business, loss of data, interruption of business and the like),
even if ASRock has been advised of the possibilit y 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 ww w.dtsc.ca.gov/hazardouswaste/
perchlorate”
ASRock Website: http://www.asrock.com
Page 3
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-Denition Multimedia Interface, and the
HDMI logo are trademarks or registered trademarks of HDMI Licensing LLC in the
United States and other countries.
Page 4
Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Specications 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) 25
2.5 Jumpers Setup 26
2.6 Onboard Headers and Connectors 27
2.7 Post Status Checker 33
2.8 CrossFireXTM and Quad CrossFireXTM Operation Guide 34
2.8.1 Installing Two CrossFireXTM-Ready Graphics Cards 34
3.2.2 Using ASRock Motherboard Utility (A-Tuning) 46
3.3 ASRock Live Update & APP Shop 49
3.3.1 UI Overview 49
3.3.2 Apps 50
3.3.3 BIOS & Drivers 53
3.3.4 Setting 54
3.4 Nahimic Audio 55
3.5 ASRock Polychrome SYNC 56
Chapter 4 UEFI SETUP UTILITY 59
4.1 Introduction 59
4.1.1 UEFI Menu Bar 59
4.1.2 Navigation Keys 60
4.2 Main Screen 61
4.3 OC Tweaker Screen 62
4.4 Advanced Screen 66
4.4.1 CPU Conguration 67
4.4.2 Onboard Devices Conguration 68
4.4.3 Storage Conguration 70
4.4.4 ACPI Conguration 71
4.4.5 Trusted Computing 72
4.4.6 AMD CBS 73
4.4.7 AMD PBS 74
Page 6
4.4.8 AMD Overclocking 75
4.5 Tools 76
4.6 Hardware Health Event Monitoring Screen 77
4.7 Security Screen 80
4.8 Boot Screen 81
4.9 Exit Screen 84
Page 7
Chapter 1 Introduction
ank you for purchasing ASRock B550M Pro4 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 documentation, Chapter 1 and 2 contains the introduction of the
motherboard and step-by-step installation guides. Chapter 3 contains the operation
guide of the soware and utilities. Chapter 4 contains the conguration guide of
the BIOS setup.
Becau se the motherboard specications and th e BIOS soware might be updated, the
content of this documentation will be subject to change without notice. In ca se any modications of this documentation occur, the u pdated version will be available on ASRock ’s
website w ithout further notice. If you require technical support related to this motherboard, please visit our website for specic information about the model you are using. You
may nd the l atest VGA cards and CPU suppor t list on ASRock’s website a s well. ASRock
website http://www.asrock.com.
B550M Pro4
1.1 Package Contents
ASRock B550M Pro4 Motherboard (Micro ATX Form Factor)
•
ASRock B550M Pro4 Quick Installation Guide
•
ASRock B550M Pro4 Support CD
•
1 x I/O Panel Shield
•
2 x Serial ATA (SATA) Data Cables (Optional)
•
2 x Screws for M.2 Socket (Optional)
•
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1
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1.2 Specications
Platform
CPU
Chipset
Memory
•
•
•
•
* Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3
3200G.
•
•
•
•
•
•
•
* Please refer to Memory Support List on ASRock’s website for
more information. (http://www.asrock.com/)
* Please refer to page 22 for DDR4 UDIMM maximum
frequency support.
•
•
•
Micro ATX Form Factor
Solid Capacitor design
2oz Copper PCB
Supports 3rd Gen AMD AM4 Ryzen™ / future AMD Ryzen™
Please realize that the re is a certain risk involved with overclocking, including adjusting
the setting in the BIO S, applying Untied Overclocking Technology, or using third-par ty
overclocking tools. O verclocking may aect your syste m’s stabilit y, or even cause damage to
the components and devices of your syste m. It should be done at your own risk and expe nse.
We are not responsibl e for possible damage caused by overclocking.
•
FCC, CE
•
ErP/EuP ready (ErP/EuP ready power supply is required)
•
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6
Page 13
4
3
5
11
13
14
1
15
ATXP WR1
Sup er
I/O
CLRCMOS1
1
PCIE1
HD_AUDIO1
1
CPU_FAN2/WP
SOCKETAM4
F_USB3 _1_2
1
CHA_FAN1/WP
1
RoHS
SPK_PLED1
1
DDR 4_A1 (6 4 bit, 288 -pin mo dule)
DDR 4_A2 (6 4 bit, 288 -pin mo dule)
DDR 4_B1 (6 4 bit, 288 -pin mo dule)
DDR 4_B2 (6 4 bit, 288 -pin mo dule)
PCIE2
PCIE3
HDLED RESET
PLED PWRBTN
PANEL1
M2_2
M2_1
AMD
Promontory
B550
1
USB_3_4
SATA3_4
SATA3_3
SATA3_6
SATA3_5
23
31
CPU_FAN1
CHA_FAN4/WP
1
USB_5_6
29
28
30
ATX12V1
2
ADDR_LED1
1
1
RGB_LED1
7
6
SATA3_1
SATA3_2
10
1
SPI_TPM_J1
1
F_USB3_3_4
24
CHA_FAN2
/WP
25
CHA_FAN3
/WP
RGB_LED2
1
ADDR_LED2
1
CMOS
Battery
LAN
AUDIO
CODEC
12
27
21
CPU
DRAM
VGA
BOOT
20
M2_3
NUT1
1
COM1
26
B5 50 M Pro 4
Top:
LINE IN
Center :
FRONT
Bottom :
MIC IN
RJ- 45 LAN
USB 3.2 Gen1
T: USB3
B: USB4
USB 3.2 Gen1
T: USB1
B: USB2
USB 3.2 Gen2
T: USB31_TA_1
B: USB31_TC_1
USB 2.0
T: USB1
B: USB2
PS2
Keyboard/
Mouse
DIS PLAY1
HDM I1
1.3 Motherboard Layout
B550M Pro4
22
16
17
18
19
8
9
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7
Page 14
English
No. Description
18 pin 12V Power Connector (ATX12V1)
2CPU Fan Connector (CPU_FAN1)
3CPU/Water Pump Fan Connector (CPU_FAN2/WP)
42 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
52 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
6RGB LED Header (RGB_LED1)
7Addressable LED Header (ADDR_LED1)
8ATX Power Connector (ATXPWR1)
9USB 3.2 Gen1 Header (F_USB3_1_2)
10 SATA3 Connector (SATA3_2)
11 SATA3 Connector (SATA3_1)
12 SATA3 Connector (SATA 3_4)
13 SATA3 Connector (SATA3_3)
14 SATA3 Connector (SATA3_5)
15 SATA3 Connector (SATA3_6)
16 System Panel Header (PANEL1)
17 Power LED and Speaker Header (SPK_PLED1)
18 USB 3.2 Gen1 Header (F_USB3_3_4)
19 Chassis/Water Pump Fan Connector (CHA_FAN4/WP)
20 Post Status Checker (PSC)
21 SPI TPM Header (SPI_TPM_J1)
22 USB 2.0 Header (USB_3_4)
23 USB 2.0 Header (USB_5_6)
24 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)
25 Chassis/Water Pump Fan Connector (CHA_FAN3/WP)
26 Clear CMOS Jumper (CLRCMOS1)
27 COM Port Header (COM1)
28 Addressable LED Header (ADDR_LED2)
29 RGB LED Header (RGB_LED2)
30 Front Panel Audio Header (HD_AUDIO1)
31 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)
8
Page 15
*** Function of the Audio Ports in 7.1-channel Conguration:
PortFunction
Light Blue (Rear panel)Rear Speaker Out
Lime (Rear panel)Front Speaker Out
Pink (Rear panel)Central /Subwoofer Speaker Out
Lime (Front panel)Side Speaker Out
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Page 16
Chapter 2 Installation
is is a Micro ATX form factor motherboard. Before you install the motherboard,
study the conguration 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.
B550M Pro4
11
English
Page 17
2.1 Installing the CPU
Unplug all power cables be fore installing the CPU.
1
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12
2
Page 18
B550M Pro4
3
13
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Page 19
2.2 Installing the CPU Fan and Heatsink
Aer 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.
Please turn o the power or remove the power cord before changing a CPU or heat sink.
Installing the CPU Box Cooler SR1
1
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14
2
Page 20
B550M Pro4
3
4
1
N
FA
_
U
P
C
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15
Page 21
Installing the AM4 Box Cooler SR2
1
2
English
16
Page 22
B550M Pro4
3
17
English
Page 23
4
1
N
FA
_
U
P
C
*e diagrams shown here are for reference only. e headers might be in a dierent position on
your motherboard.
English
18
Page 24
Installing the AM4 Box Cooler SR3
1
B550M Pro4
2
English
19
Page 25
3
4
English
20
Page 26
B550M Pro4
5
FAN1
CPU_
6
1
N
FA
_
U
P
C
2
D
E
L
_
B
RG
+12V
*e diagrams shown here are for reference only. e headers might be in a dierent position
on your motherboard.
English
21
Page 27
2.3 Installing Memory Modules (DIMM)
is motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots,
and supports Dual Channel Memory Technology.
1. For dual channel cong uration , you always need to in stall identical (the same
brand, speed , size and chip-type) DDR4 DIMM pairs.
2. It is unable to activate Du al Channel Memory Technology with only one or three
memory module installed.
3. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4
slot; otherwise, this motherboard and DIMM may be damaged.
4. We suggest that you install the memory modules on DDR4 _A 2 and DDR4_ B2 rst
for better DRAM compatibility on 2 DIMMs conguration.
AMD non-XMP Memory Frequency Support
Ryzen Series CPUs (Matisse):
English
UDIMM Memory Slot
A1A2B1B2
Frequency
(Mhz)
-SR--3200
-DR--3200
-SR-SR3200
-DR-DR3200
SRSRSRSR2933
SR/DRDRSR/DRDR2667
SR/DRSR/DRSR/DRSR/DR2667
22
Page 28
Ryzen Series APUs (Renoir):
B550M Pro4
UDIMM Memory Slot
A1A2B1B2
-SR--3200
-DR--3200
-SR-SR3200
-DR-DR3200
SRSRSRSR2933
SR/DRDRSR/DRDR2667
SR/DRSR/DRSR/DRSR/DR2667
SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dua l rank DIMM, 2Rx4 or 2R x8 on DIMM module label
Frequency
(Mhz)
23
English
Page 29
e DIMM only ts in one correct orientation. It will c ause permanent damage to
the motherboard and the DIMM if you force the DIMM into the slot at incor rect
orientation.
1
2
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24
3
Page 30
2.4 Expansion Slots (PCI Express Slots)
ere are 3 PCI Express slots on the motherboard.
Before installing an ex pansion card, please make sure that the power supply is
switched o or the power cord is unplugged . Please read the documentation of the
expan sion card and mak e necessary hardware settings for the card before you start
the installation.
PCIe slots:
PCIE1 (PCIe 4.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Congurations
PCIE1PCIE2PCIE3
Ryzen Series CPUs (Matisse)Gen4x16Gen3x1Gen3x4
B550M Pro4
Ryzen Series CPUs (Renoir)Gen 3x16Gen3x1Gen3x4
For a better ther mal environme nt, please connect a chassi s fan to the motherboard’s
chassis fan connector (CHA_ FAN1/WP, CHA_ FAN2/WP , CHA_ FAN3/WP or CH A_
FAN4/WP ) when using multiple graphics card s.
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Page 31
2.5 Jumpers Setup
e illustration shows how jumpers are setup. When the jumper cap is placed on
the pins, the jumper is “Short”. If no jumper cap is placed on the pins, the jumper is
“O pen”.
English
Clear CMOS Jumper
(CLRCMO S1)
(see p.7, No. 26)
CLRCMOS1 allows you to clear the data in CMOS. e data in CMOS includes
system setup information such as system password, date, time, and system setup
parameters. To clear and reset the system parameters to default setup, please
turn o the computer and unplug the power cord, then use a jumper cap to short
the pins on CLRCMOS1 for 3 seconds. Please remember to remove the jumper
cap aer clearing the CMOS. If you need to clear the CMOS when you just nish
updating the BIOS, you must boot up the system rst, and then shut it down
before you do the clear-CMOS action.
2-pin Jumper
Short: Clear CMOS
Open: Default
26
Page 32
2.6 Onboard Headers and Connectors
Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these
heade rs and connectors. Placing jumper caps o ver the headers and connectors will cause
permanent damage to the motherboard.
B550M Pro4
System Panel Header
(9-pi n PANEL1)
(see p.7, No. 16)
PWRBTN (Power Button):
Connec t to the power button on the ch assi s front panel. You may congure the way to tur n
o your system using the power button.
RESET (Reset B utton):
Connec t to the reset button on the chassi s front panel. Press the reset button to restart the
computer if the computer f reezes and fails to per form a normal restar t.
PLED (Syste m Power LED):
Connec t to the power status indicator on th e chassis front panel . e LED is on when the
system is operating. e LED k eeps blinking when the system is in S1/S3 sleep state. e
LED is o when the system is in S4 slee p state or powered o (S5).
HDLED (Ha rd Drive Activity LED):
Connec t to the hard drive ac tivity LED on the chassis front panel. e LED is on when the
hard drive is reading or wr iting data.
e front panel de sign may dier by chassis. A front panel module mainly con sists of power
button, reset button , power LED, hard dr ive activity LED, speaker and etc. When connecting your ch assi s front panel module to thi s header, make sure the wire a ssignments and the
pin assignments are matched correctly.
1
PLED+
PLED-
HDLED-
HDLED+
PWRBTN#
GND
RESET#
GND
GND
Connect the power
button, reset button and
system status indicator on
the chassis to this header
according to the pin
assignments below. Note
the positive and negative
pins before connecting
the cables.
27
English
Page 33
Power LED and Speaker
1
+5V
DUMMY
PLED+
PLED+
PLED-
DUMMY
SPEAKER
DUMMY
GND
GND
P+
P-
USB_PWR
P+
P-
USB_PWR
1
1
Header
(7-pin SPK_PLED1)
(see p.7, No. 17)
Please connect the
chassis power LED and
the chassis speaker to this
header.
Serial ATA3 Connectors
(SATA3_1:
see p.7, No. 11)
(SATA3_ 2:
see p.7, No. 10)
(SATA3_ 3:
see p.7, No. 13)
(SATA3_4:
see p.7, No. 12)
(SATA3_ 5:
see p.7, No. 14)
(SATA3_6:
see p.7, No. 15)
USB 2.0 Headers
(9-pin USB_3_4)
(see p.7, No. 22)
(9-pin USB_5_6)
(see p.7, No. 23)
USB 3.2 Gen1 Headers
(19-pin F_USB3_1_2)
(see p.7, No. 9)
Vbus
IntA_PA_SSRX-
IntA_PA_SSRX+
GND
IntA_PA_SSTX-
IntA_PA_SSTX+
GND
IntA_PA_D-
IntA_PA_D+
SATA3_1
SATA3_4
SATA3_6
SATA3_2
SATA3_3
SATA3_5
VbusVbus
IntA_PB_SSRX-
IntA_PB_SSRX+
GND
IntA_PB_SSTX-
IntA_PB_SSTX+
GND
IntA_PB_D-
IntA_PB_D+
Dummy
ese six SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
* M2_ 2 and SATA3_5_6
share lanes. If either one
of them is in use, the other
one will be disabled.
ere are two headers
on this motherboard.
Each USB 2.0 header can
support two ports.
ere are two headers on
this motherboard. Each
USB 3.2 Gen1 header can
support two ports.
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B550M Pro4
J_SENSE
OUT2_L
1
MIC_RET
PRESENCE#
GND
OUT2_R
MIC2_R
MIC2_L
OUT_RET
FAN_SPEED_CONTROL
4
1
IntA_P_D+
IntA_P_SSRX-
(19-pin F_USB3_3_4)
(see p.7, No. 18)
Front Panel Audio Header
(9-pin HD_ AUDIO1)
(see p.7, No. 30)
IntA_P_D-
IntA_P_D+
ID
GND
IntA_P_SSTX+
GND
IntA_P_D-
IntA_P_SSTX-
GND
IntA_P_SSRX+
GND
IntA_P_SSTX-
IntA_P_SSTX+
IntA_P_SSRX-
Vbus
Vbus
IntA_P_SSRX+
is header is for
connecting audio devices
to the front audio panel.
1. High Denition Audio support s Jack Sensing, but the panel wire on the chassis mu st support HDA to function correctly. Please follow the in struction s in our manual and chassis
manual to install your system.
2. If you use an AC’97 audio panel , please install it to the front panel audio header by the
steps below:
A. Connect Mic_ IN (MIC) to MIC2_ L.
B. Conne ct Audio_R (RIN) to OUT2_R and Audio_ L (LIN) to OUT2_ L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_ RET and OUT_RET are for the HD audio panel only. You don’t need to connect
them for the AC’97 audio panel .
E. To activate the front mic, go to the “FrontMic” Tab in the Realtek Control panel and
adjust “Recording Volume”.
Chassis Water Pump Fan
Connectors
(4-pin CHA_FAN1/WP)
(see p.7, No. 31)
CHA_FAN_SPEED
FAN_VOLTAGE
GND
is motherboard
3
2
provides four 4-Pin water
1
cooling chassis fan
connectors. If you plan to
connect a 3-Pin
water cooler fan, please
connect it to Pin 1-3.
chassis
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29
Page 35
(4-pin CHA_FAN2/WP)
GND
1 2 3 4
4 3 2 1
FAN_SPEED_CONTROL
4 3 2 1
(see p.7, No. 24)
(4-pin CHA_FAN3/WP)
(see p.7, No. 25)
(4-pin CHA_FAN4/WP)
(see p.7, No. 19)
FAN_VOLTAGE
FAN_SPEED
FAN_SPEED_CONTROL
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.7, No. 2)
CPU Water Pump Fan
Connector
(4-pin CPU_FAN2/WP)
(see p.7, No. 3)
ATX Power Connector
(24-p in ATXPWR1)
(see p.7, No. 8)
GND
FAN_VOLTAGE
CPU_F
AN_SPEED
FAN_SPEED_CONTROL
GND
FAN_VOLTAGE
CPU_F
AN_SPEED
12
24
1
13
is motherboard pro-
vides a 4-Pin CPU fan
(Quiet Fan) connector.
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.
is motherboard
provides a 4-Pin water
cooling CPU fan
connector. If you plan
to connect a 3-Pin CPU
water cooler fan, please
connect it to Pin 1-3.
is motherboard pro-
vides a 24-pin ATX power
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
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30
Page 36
B550M Pro4
1
SPI_DQ3
#
4
1
8 5
RRXD1
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.7, No. 1)
Serial Port Header
(9-p in COM1)
(see p.7, No. 27)
SPI TPM Header
(13 -pi n SPI_TPM _J1)
(see p.7, No. 21)
1
DDCD#1
+3.3V
SPI_CS0
SPI_DQ2
DDTR#1
DDSR#1
GND
TTXD1
Dummy
CLK
RSMRST#
SPI_MISO
CCTS#1
RRI#1
RRTS#1
SPI_MOSI
RST#
TPM_PIRQ
SPI_TPM_CS
GND
is motherboard
provides an 8-pin ATX
12V power connector. To
use a 4-pin ATX power
supply, please plug it along
Pin 1 and Pin 5.
*Warning: Please make
sure that the power cable
connected is for the CPU
and not the graphics
card. Do not plug the
PCIe power cable to this
connector.
is COM1 header
supports a serial port
module.
is connector supports SPI
Trusted Platform Module (TPM)
system, which can securely store
keys, digital certicates, pass-
words, and data. A TPM system
also helps enhance network
security, protects digital
identities, and ensures platform
integrity.
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31
Page 37
RGB LED Headers
D
1
1
1
DO_ADDR
1
(4-p in RGB_LED1)
(see p.7, No. 6)
(4-pi n RGB _LED2)
(see p.7, No. 29)
B
R
G
12V
12V GRB
ese two RGB headers are used
to connect RGB LED extension
cable which allows
users to choose from various LED
lighting eects.
Caution: Never install the RGB
LED cable in the wrong orienta-
tion; otherwise, the cable may
be damaged.
*Please refer to page 56 for
further instructions on these two
headers.
English
Addressable LED Headers
(3-pin A DDR_LE D1)
(see p.7, No. 7)
(3-pin A DDR_LE D2)
(see p.7, No. 28)
VOUT
VOUT
GND
DO_ADDR
ese two
are used to connect
Addressable
Addressable
headers
LED extension cable which
allows users to choose from
various LED lighting eects.
Caution: Never install the
Addressable LED cable in the
GN
wrong orientation; otherwise,
the cable may be damaged.
*Please refer to page 57 for
further instructions on this
header.
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2.7 Post Status Checker
Post Status Checker (PSC) diagnoses the computer when users power on the
machine. It emits a red light to indicate whether the CPU, memory, VGA or stor-
age is dysfunctional. e lights go o if the four mentioned above are functioning
normally.
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2.8 CrossFireXTM and Quad CrossFireXTM Operation Guide
is motherboard supports CrossFireXTM and Quad CrossFireXTM that allows you
to install up to two identical PCI Express x16 graphics cards.
1. You should only use identical CrossFireXTM-ready g raphics cards that are AM D
certied.
2. Make sure that your graphics card driver support s AMD CrossFireXTM technology.
Download the drivers f rom the AMD’s website: www.amd.com
3. Make sure that your power supply unit (PSU) can pro vide at l east the minimum
power your syste m require s. It is recommended to use a AMD ce rtied PSU. Please
refer to the AMD’s website for details.
4. If you pair a 12-pipe CrossFireXTM Edition card with a 16-pipe card, both cards will
operate a s 12-pipe cards while in CrossFireXTM mode.
5. Dierent CrossFireXTM cards may require dierent method s to enable CrossFireXTM. Please refer to A MD graphics card manuals for detailed installation guide .
2.8.1 Installing Two CrossFireXTM-Ready Graphics Cards
Step 1
Insert one graphics card into PCIE1 slot
and the other graphics card to PCIE3 slot.
Make sure that the cards are properly
seated on the slots.
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CrossFire Bridge
Step 2
Connect two graphics cards by installing
a CrossFire Bridge on the CrossFire Bridge
Interconnects on the top of the graphics
cards. (e CrossFire Bridge is provided
with the graphics card you purchase, not
bundled with this motherboard. Please
refer to your graphics card vendor for
deta ils .)
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Step 3
Connect a VGA/DVI/DP/HDMI cable
from the monitor to the corresponding
port on the graphics card installed to the
PCIE1 slot.
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2.8.2 Driver Installation and Setup
Step 1
Power on your computer and boot into OS.
Step 2
Remove the AMD drivers if you have any VGA drivers installed in your system.
e Catalyst Uninstalle r is an optional downloa d. We recommend using this utility
to uninstall any previously installed Catalyst drive rs prior to installation. Please
check A MD’s website for AMD driver updates.
Step 3
Install the required drivers and CATALYST Control Center then restart your
computer. Please check AMD’s website for details.
Step 4
Double-click the AMD Catalyst Control
AMD Catalyst Control Center
Center icon in the Windows® sy stem tray.
Step 5
In the le pane, click Performance and
then AMD CrossFireXTM. en select
Enable AMD CrossFireX and click Apply.
Select the GPU number according to your
graphics card and click Apply.
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2.9 M.2 WiFi/BT Module Installation Guide (M2_3)
e M.2, also known as the Next Generation Form Factor (NGFF), is a small size and
versatile card edge connector that aims to replace mPCIe and mSATA. e M.2 Socket (Key
ere are ve sections in ASRock Motherboard Utility (A-Tuning) main menu:
Operation Mode, OC Tweaker, System Info, FAN-Tastic Tuning and Settings.
Operation Mode
Choose an operation mode for your computer.
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OC Tw eaker
Congurations for overclocking the system.
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System Info
View information about the system.
*e System Browser tab may not appear for certain models.
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FAN-Tastic Tuning
Congure up to ve dierent fan speeds using the graph. e fans will automatically shi
to the next speed level when the assigned temperature is met.
Settings
Congure ASRock ASRock Motherboard Utilit y (A-Tuning). Click to select "Auto
run at Windows Startup" if you want ASRock Motherboard Utility (A-Tuning) to
be launched when you start up the Windows operating system.
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3.3 ASRock Live Update & APP Shop
e ASRock Live Update & APP Shop is an online store for purchasing and
downloading soware applications for your ASRock computer. You can quickly and
easily install various apps and support utilities. With ASRock Live Update & APP
Shop, you can optimize your system and keep your motherboard up to date simply
with a few clicks.
Double-click on your desktop to access ASRock Live Update & APP Shop
utility.
*You need to be connected to the Internet to download apps from the ASRock Live Update & APP Shop.
3.3.1 UI Overview
Category Panel
Hot News
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Information Panel
Category Panel: e category panel contains several category tabs or buttons that
when selected the information panel below displays the relative information.
Information Panel: e information panel in the center displays data about the
currently selected category and a llows users to perform job-related tasks.
Hot News: e hot news section displays the various latest news. Click on the image
to visit the website of the selected news and k now more.
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3.3.2 Apps
When the "Apps" tab is selected, you will see all the available apps on screen for you
to download.
Installing an App
Step 1
Find the app you want to install.
e most recommended app appears on the le side of the screen. e other various
apps are shown on the right. Please scroll up and down to see more apps listed.
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You can check the price of the app and whether you have already intalled it or not.
- e red icon displays the price or "Free" if the app is free of charge.
- e green "Installed" icon means the app is installed on your computer.
Step 2
Click on the app icon to see more details about the selected app.
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Step 3
If you want to install the app, click on the red icon to start downloading.
Step 4
When installation completes, you can nd the green "Installed" icon appears on the
upper right corner.
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To uninstall it, simply click on the trash can icon .
*e trash icon may not appear for certain apps.
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Upgrading an App
You can only upgrade the apps you have already installed. When there is an
available new version for your app, you will nd the mark of "New Version"
appears below the installed app icon.
Step 1
Click on the app icon to see more details.
Step 2
Click on the yellow icon to start upgrading.
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3.3.3 BIOS & Drivers
Installing BIOS or Drivers
When the "BIOS & Drivers" tab is selected, you will see a list of recommended or
critical updates for the BIOS or drivers. Please update them all soon.
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Step 1
Please check the item information before update. Click on to see more details.
Step 2
Click to select one or more items you want to update.
Step 3
Click Update to start the update process.
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3.3.4 Setting
In the "Setting" page, you can change the language, select the server location, and
determine if you want to automatically run the ASRock Live Update & APP Shop
on Windows startup.
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3.4 Nahimic Audio
Nahimic audio soware provides an incredible high denition sound technology which
boosts the audio and voice performance of your system. Nahimic Audio interface is
composed of four tabs: Audio, Microphone, Sound Tracker and Settings.
ere are four functions in Nahimic audio :
No. Function Description
From this tab, you can mute the current audio device, choose
1
Microphone
2
3
4
Audio
Sound
Tracker
Settings
between four factory audio proles, turn all audio eects
on/o, restores the current prole to its default settings and
access Surround Sound and various features.
From this tab, you can mute the current mic device, choose
between two factory mic proles, turn/o all microphone
eects, restore the current prole to its default settings, and
access Static Noise Suppression and various features.
e Sound Tracker provides a visual indication localizing
the sources of the sounds while in a game. ese are
represented by dynamic segments pointing the direction
of the sounds: the more opaque they are, the stronger the
sounds are.
From this tab, you can access all settings and information of
the soware.
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3.5 ASRock Polychrome SYNC
1
1
ASRock Polychrome SYNC is a lighting control utility specically designed for unique indi-
viduals with sophisticated tastes to build their own stylish colorful lighting system. Simply by
connecting the LED strip, you can customize various lighting schemes and patterns, including
Static, Breathing, Strobe, Cycling, Music, Wave and more.
Connecting the LED Strip
Connect your RGB LED strips to the
motherboard.
RGB LED Headers (RGB_LED1, RGB_LED2)
Pro 4
B550 M
RGB_LED1
B
R
G
12V
RGB_LED2
12V GRB
on the
1
B
R
G
V
2
1
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1. Never insta ll the RGB LED cable in the wrong orientation; otherwise, the cable may be
damaged.
2. Before installing or re moving your RGB LED cable, please power o your system and
unplug the power cord from the power supply. Failure to do so may cause damages to
motherboard components.
1. Please note that the RGB LED strips do not come with the package.
2. e RGB LED header suppor ts standard 5050 RGB LED str ip (12V/G/R/B), with a
maximum power rating of 3A (12V) and length within 2 meters.
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Connecting the Addressable RGB LED Strip
D
1
DO_ADDR
1
Connect your
ADDR _LED2)
Addressable RGB LED
on the motherboard.
Pro 4
B550 M
strips to the
Addressable LED Headers (ADDR_LED1,
ADDR_LED1
VOUT
GND
ADDR_LED2
GN
DO_ADDR
VOUT
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1
1. Never insta ll the RGB LED cable in the wrong orientation; otherwise, the cable may be
damaged.
2. Before installing or re moving your RGB LED cable, please power o your system and
unplug the power cord from the power supply. Failure to do so may cause damages to
motherboard components.
1. Please note that the RGB LED strips do not come with the package.
2. e RGB LED header suppor ts WS2812B addressable RGB LED strip (5V/Data/
GND), with a ma ximum power rating of 3A (5V) and length within 2 meters.
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ASRock Polychrome SYNC Utility
Now you can adjust the RGB LED color through the ASRock Polychrome SYNC Utility.
Download this utility from the ASRock Live Update & APP Shop and start coloring your
PC style your way!
Drag the tab to customize your
preference.
Toggle on/o the
RGB LED switch
Sync RGB LED eects
for all LED regions of
the motherboard
Select a RGB LED light eect
from the drop-down menu.
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Chapter 4 UEFI SETUP UTILITY
4.1 Introduction
is section explains how to use the UEFI SETUP UTILITY to congure your
system. You may run the UEFI SETUP UTILITY by pressing <F2> or <Del> right
aer you power on the computer, otherwise, the Power-On-Self-Test (POST) will
continue with its test routines. If you wish to enter the UEFI SETUP UTILITY aer
POST, restart the system by pressing <Ctl> + <Alt> + <Delete>, or by pressing the
reset button on the system chassis. You may also restart by turning the system o
and then back on.
Becau se the UEFI soware is constantly being updated, the following UEFI setup
screens and de scriptions are for refe rence purpose only, and the y may not exactly
match what you see on your screen.
4.1.1 UEFI Menu Bar
e top of the screen has a menu bar with the following selections:
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Main
OC Tweaker
Advanced
Tool
H/W Monitor
Security
Boot
Exit
For setting system time/date information
For overclocking congurations
For advanced system congurations
Useful tools
Displays current hardware status
For security settings
For conguring boot settings and boot priority
Exit the current screen or the UEFI Setup Utility
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4.1.2 Navigation Keys
Use < > key or < > key to choose among the selections on the menu bar, and
use < > key or < > key to move the cursor up or down to select items, then
press <Enter> to get into the sub screen. You can also use the mouse to click your
required item.
Please check the following table for the descriptions of each navigation key.
Navigation Key(s) Description
+ / -
<Tab>
<PGUP>
<PGDN>
<HOME>
<END>
<F1>
<F7>
<F9>
<F10>
<F12>
<ESC>
To change option for the selected items
Switch to next function
Go to the previous page
Go to the next page
Go to the top of the screen
Go to the bottom of the screen
To display the General Help Screen
Discard changes and exit the SETUP UTILITY
Load optimal default values for all the settings
Save changes and exit the SETUP UTILITY
Print screen
Jump to the Exit Screen or exit the current screen
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4.2 Main Screen
When you enter the UEFI SETUP UTILITY, the Main screen will appear and
display the system overview.
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4.3 OC Tweaker Screen
In the OC Tweaker screen, you can set up overclocking features.
Becau se the UEFI soware is constantly being updated, the following UEFI setup
screens and de scriptions are for refe rence purpose only, and the y may not exactly
match what you see on your screen.
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Overclock Mode(Bus Speed)
Select the overclock mode. Warning! When overclocking also the PCIe, PCI, SATA and
USB busses will be overcloked which may cause instability or failure. Please install an
operating system and the drivers required before overclocking, or else your HDD's may be
undetectable. Overclocking is not supported if the monitor is connected via the onboard
D-Bus/VGA connector.
CPU Frequency and Voltage(VID) Change
If this item is set to [Manual], the multiplier and voltage will be set based on user selection.
Final result is depending on the CPU's capability.
CPU Core (Per CCX)
CPU Voltage
Species a custom CPU core voltage (mV), Should be combined with a custom CPU core
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frequency. Power saving features for idle cores (e.g. cc6 sleep) remain active.
CCD0
CCX0 Frequency (MHz)
Use this item to adjust CCX0 Frequency.
CCX1 Frequency (MHz)
Use this item to adjust CCX1 Frequency.
CCD1
CCX0 Frequency (MHz)
Use this item to adjust CCX0 Frequency.
CCX1 Frequency (MHz)
Use this item to adjust CCX1 Frequency.
SoC/Uncore OC Voltage(VID)
Specify the SoC/Uncore voltage (VDD_SOC) in mV to support memory and Innity Fabric
overclocking. VDD_SOC also determines the GPU voltage on processors with integrated
graphics. “SoC/Uncore OC Mode” needs to be enabled to force this voltage.
CLD0 VDDP Voltage Control
AMD Overclocking Setup VDDP is a voltage for the DDR4 bus signaling (PHY), and it is
derived from your DRAM Voltage (VDDIO_Mem). As a result, VDDP voltage in mV can
approach but not exceed your DRAM Voltage.
CLD0 VDDG CCD Voltage Control
AMD Overclocking Setup VDDG CCD represents voltage for the data portion of the Innity
Fabric. It is derived from the CPU SoC/Uncore Voltage (VDD_SOC). VDDG can approach
but not exceed VDD_SOC.
CLD0 VDDG IOD Voltage Control
AMD Overclocking Setup VDDG IOD represents voltage for the data portion of the Innity
Fabric. It is derived from the CPU SoC/Uncore Voltage (VDD_SOC). VDDG can approach
but not exceed VDD_SOC.
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DRAM Information
Load XMP Setting
Load XMP settings to overclock the memory and perform beyond standard
specications.
DRAM Frequency
If [Auto] is selected, the motherboard will detect the memory module(s) inserted
and assign the appropriate frequency automatically. Setting DRAM Frequency can
adjust DRAM Timing.
DRAM Voltage
Congure the voltage for the DRAM Voltage.
Innity Fabric Frequency and Dividers
AMD Overclocking Setup Set Innity Fabric frequency (FCLK). Auto: FCLK =
MCLK. Manual: FCLK must be less than or equal to MCLK for best performance in
most cases. Latency penalties are incurred if FCLK and MCLK are mismatched, but
suciently high MCLK can negate or overcome this penalty.
DRAM Timing Conguration
External Voltage Settings and Load-line Calibration
CPU Vcore Voltage
Input voltage for the processor by the external voltage regulator.
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CPU Load-Line Calibration
CPU Load-Line Calibration helps prevent CPU voltage droop when the system is
under heav y loading.
VDDCR_SOC Voltage
Input voltage for the processor by the external voltage regulator.
VDDCR_SOC Load-Line Calibration
VDDCR_SOC Load-Line Calibration helps prevent VDDCR _SOC voltage droop
when the system is under heavy loading.
VPPM
Congure the voltage for the VPPM.
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2.50V Voltage
Congure the voltage for the 2.50V PROM Voltage.
CPU VDD 1.8V Voltage
Congure the voltage for the CPU VDD 1.8V Voltage. e default value is [Auto].
Save User Default
Type a prole name and press enter to save your settings as user default.
Load User Default
Load previously saved user defaults.
Save User UEFI Setup Prole to Disk
It helps you to save current UEFI settings as an user prole to disk.
Load User UEFI Setup Prole from Disk
You can load previous saved prole from the disk.
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4.4 Advanced Screen
In this section, you may set the congurations for the following items: CPU