ASROCK B550M-HVS SE User manual

Contact Information
If you need to contact ASRock or want to know more about ASRock, you’re welcome
to visit ASRock’s website at http://www.asrock.com; or you may contact your dealer
for further information. For technical questions, please submit a support request
form at https://event.asrock.com/tsd.asp
ASRock Incorporation
e-mail: [e-mail]
ASRock EUROPE B.V.
e-mail: [e-mail]
ASRock America, Inc.
e-mail: sa[email protected]
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B550M-HVS SE
Motherboard Layout
AMD
PRO565
BIOS
ROM
ATXPWR1
FSB800
DDR4_A1 (64 bit, 288-pin module)
DDR4_A2 (64 bit, 288-pin module)
Super
I/O
LAN
AUDIO
CODEC
PCIE2
PCIE1
HD_AUDIO1
1
CPU_FAN1
1
COM1
3
4
2
5
USB 2.0
T: USB1
B: USB2
PS2
Keyboard/
Mouse
CMOS
Battery
1
USB3_5_6
1
CHA_FAN2
HDLED RESET
PLED PWRBTN
PANEL1
1
SPK_CI1
1
USB 3.2 Gen1
T: USB1
B: USB2
Top:
LINE IN
Center:
FRONT
Bottom:
MIC IN
RJ-45 LAN
USB 3.2 Gen1
T: USB3
B: USB4
ATX12V
SOCKETAM4
CHA_FAN1
M2_1
USB_5_6
1
USB_3_4
1
RoHS
1
SPI_TPM_J1
HDMI1
CLRCMOS1
1
Ultra M.2
PCIe Gen3 x4
15
10
981314 12 11
17
16
6
7
SATA3_3
SATA3_4
SATA3_1
SATA3_2
B550M-HVS SE

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No. Description
1 ATX 12V Power Connector (ATX12V1)
2 CPU Fan Connector (CPU_FAN1)
3 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
4 ATX Power Connector (ATXPWR1)
5 USB 3.2 Gen1 Header (USB3_5_6)
6SATA3 Connector (SATA3_3) (Upper), SATA3 Connector (SATA3_4) (Lower)
7SATA3 Connector (SATA3_4) (Upper), SATA3 Connector (SATA3_2) (Lower)
8 System Panel Header (PANEL1)
9 Chassis Intrusion and Speaker Header (SPK_CI1)
10 Chassis Fan Connector (CHA_FAN2)
11 USB 2.0 Header (USB_3_4)
12 USB 2.0 Header (USB_5_6)
13 COM Port Header (COM1)
14 Clear CMOS Jumper (CLRCMOS1)
15 Front Panel Audio Header (HD_AUDIO1)
16 SPI TPM Header (SPI_TPM_J1)
17 Chassis Fan Connector (CHA_FAN1)

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B550M-HVS SE
I/O Panel
No. Description No. Description
1 USB 2.0 Ports (USB_12) 6 Microphone (Pink)**
2 D-Sub Port 7 USB 3.2 Gen1 Ports (USB3_34)
3 LAN RJ-45 Port* 8 USB 3.2 Gen1 Ports (USB3_12)
4 Line In (Light Blue)** 9 HDMI Port
5 Front Speaker (Lime)** 10 PS/2 Mouse/Keyboard Port
9 6710
5
4
13
8
2

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* 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
** Function of the Audio Ports in 7.1-channel Conguration:
Port Function
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
Chapter 1 Introduction
ank you for purchasing ASRock B550M-HVS SE 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.
1.1 Package Contents
• ASRock B550M-HVS SE Motherboard (Micro ATX Form Factor)
• ASRock B550M-HVS SE User Manual
• 1 x I/O Panel Shield
• 2 x Serial ATA (SATA) Data Cables (Optional)
• 1 x Screw for M.2 Socket (Optional)

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B550M-HVS SE
Chapter 1 Introduction
ank you for purchasing ASRock B550M-HVS SE 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.
1.1 Package Contents
• ASRock B550M-HVS SE Motherboard (Micro ATX Form Factor)
• ASRock B550M-HVS SE User Manual
• 1 x I/O Panel Shield
• 2 x Serial ATA (SATA) Data Cables (Optional)
• 1 x Screw for M.2 Socket (Optional)
Because the motherboard specications and the BIOS soware might be updated, the
content of this documentation will be subject to change without notice. In case any modi-
cations of this documentation occur, the updated version will be available on ASRock’s
website without further notice. If you require technical support related to this mother-
board, 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.

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1.2 Specications
Platform • Micro ATX Form Factor
• Solid Capacitor design
CPU • Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series,
4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
* Not compatible with AMD Athlon™ Processors.
• 6 Power Phase design
Chipset • AMD PRO565
Memory • Dual Channel DDR4 Memory Technology
• 2 x DDR4 DIMM Slots
• AMD Ryzen series CPUs (Vermeer) support DDR4
4600+(OC)/4533(OC)/4466(OC)/4400(OC)/4333(OC)/4333
(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/
3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/
2667/2400/2133 ECC & non-ECC, un-buered memory*
• AMD Ryzen series CPUs (Matisse) support DDR4
4600+(OC)/4533(OC)/4466(OC)/4400(OC)/4333
(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000
(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466|
(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-
buered memory*
• AMD Ryzen series APUs (Cezanne) support DDR4
4733+(OC)/4666(OC)/4600(OC)/4533(OC)/4466(OC)/4
400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/400
0(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466
(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-
buered memory*
• AMD Ryzen series APUs (Renoir) support DDR4 4733+
(OC)/4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/
4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866
(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/
2667/2400/2133 ECC & non-ECC, un-buered memory*
• AMD Ryzen series APUs (Picasso) support DDR4
3333+(OC)/3200(OC)/2933/2667/2400/2133 non-ECC, un-
buered memory*

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B550M-HVS SE
* For Ryzen Series APUs (Picasso, Cezanne and Renoir), 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 DDR4 UDIMM maximum
frequency support.
• Max. capacity of system memory: 64GB
• Supports Extreme Memory Prole (XMP) memory modules
• 15μ Gold Contact in DIMM Slots
Expansion
Slot
CPU:
• 1 x PCIe 3.0 x16 Slot (PCIE2), supports x16 mode*
* Supports NVMe SSD as boot disks
Chipset:
• 1 x PCIe 3.0 x1 Slot (PCIE1)
Graphics • Integrated AMD RadeonTM 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 D-Sub and HDMI ports by
independent display controllers
• Supports HDMI 2.1 with max. resolution up to 4K x 2K
(4096x2160) @ 60Hz
• Supports D-Sub with max. resolution up to 1920x1200 @
60Hz
• Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and
HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant
HDMI monitor is required)
• Supports HDR (High Dynamic Range) with HDMI 2.1
• Supports HDCP 2.3 with HDMI 2.1 Port
* Picasso supports HDCP 2.2 with HDMI 2.0 Port
• Supports 4K Ultra HD (UHD) playback with HDMI 2.1
Port
• Supports Microso PlayReady®

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Audio • 7.1 CH HD Audio (Realtek ALC887/897 Audio Codec)
• Supports Surge Protection
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 D-Sub Port
• 1 x HDMI Port
• 2 x USB 2.0 Ports (Supports ESD Protection)
• 4 x USB 3.2 Gen1 Ports (Supports ESD Protection)
• 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED
LED)
• HD Audio Jacks: Line in / Front Speaker / Microphone
Storage CPU:
• 1 x Ultra M.2 Socket (M2_1, Key M), supports type
2242/2260/2280 SATA3 6.0 Gb/s & PCIe Gen3x4 (32 Gb/s)
modes*
Chipset:
• 4 x SATA3 6.0 Gb/s Connectors
* Supports NVMe SSD as boot disks
* Supports ASRock U.2 Kit
RAID • Supports RAID 0, RAID 1 and RAID 10 for SATA storage
devices

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B550M-HVS SE
Connector • 1 x SPI TPM Header
• 1 x COM Port Header
• 1 x Chassis Intrusion and Speaker Header
• 1 x CPU Fan Connector (4-pin)
* e CPU Fan Connector supports the CPU fan of maximum
1A (12W) fan power.
• 2 x Chassis Fan Connectors (4-pin) (Smart Fan Speed
Control)
* e Chassis Fan supports the water cooler fan of maximum
1A (12W) fan power.
* CHA_FAN2 can auto detect if 3-pin or 4-pin fan is in use.
• 1 x 24 pin ATX Power Connector
• 1 x 4 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 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
(Supports ESD Protection)
BIOS
Feature
• AMI UEFI Legal BIOS with GUI support
• Supports “Plug and Play”
• ACPI 5.1 compliance wake up events
• Supports jumperfree
• SMBIOS 2.3 support
• CPU, CPU VDDCR_SOC, DRAM, VDDP Voltage Multi-
adjustment
Hardware
Monitor
• Temperature Sensing: CPU, Chassis
• Fan Tachometer: CPU, Chassis Fans
• Quiet Fan (Auto adjust chassis fan speed by CPU
temperature): CPU, Chassis Fans
• Fan Multi-Speed Control: CPU, Chassis Fans
• CASE OPEN detection
• Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore
OS • Microso® Windows® 10 64-bit / 11 64-bit

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Certica-
tions
• FCC, CE
• ErP/EuP ready (ErP/EuP ready power supply is required)
Please realize that there is a certain risk involved with overclocking, including adjusting
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.
* For detailed product information, please visit our website: http://www.asrock.com

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B550M-HVS SE
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

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2.1 Installing the CPU
Unplug all power cables before installing the CPU.
2
1

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B550M-HVS SE
3

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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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B550M-HVS SE
3
4
CPU_FAN1

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Installing the AM4 Box Cooler SR2
1
2

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B550M-HVS SE
3

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*e diagrams shown here are for reference only. e headers might be in a dierent position on
your motherboard.
4
CPU_FAN1

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B550M-HVS SE
*e diagrams shown here are for reference only. e headers might be in a dierent position on
your motherboard.
Installing the AM4 Box Cooler SR3
1
2