ASROCK A620M-HDV/M.2+ 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
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e-mail: [e-mail]
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ASRock America, Inc.
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Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Specications 2
1.3 Motherboard Layout 5
1.4 I/O Panel 7
1.5 Block Diagram 8
Chapter 2 Installation 9
2.1 Installing the CPU 10
2.2 Installing the CPU Fan and Heatsink 13
2.3 Installing Memory Modules (DIMM) 21
2.4 Connecting the Front Panel Header 23
2.5 Installing the I/O Panel Shield 24
2.6 Installing the Motherboard 25
2.7 Installing SATA Drives 26
2.8 Installing a Graphics Card 28
2.9 Connecting Peripheral Devices 30
2.10 Connecting the Power Connectors 31
2.11 Power On 32
2.12 Jumpers Setup 33
2.13 Onboard Headers and Connectors 34
2.14 Smart Switches 41
2.15 Post Status Checker 43

2.16 M.2 WiFi/BT PCIe WiFi Module Installation Guide 44
2.17 M.2 SSD Module Installation Guide (M2_1) 46
2.18 M.2 SSD Module Installation Guide (M2_2) 48

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A620M-HDV/M.2+
Chapter 1 Introduction
ank you for purchasing ASRock A620M-HDV/M.2+ 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 A620M-HDV/M.2+ Motherboard (Micro ATX Form Factor)
• ASRock A620M-HDV/M.2+ User Manual
• 1 x I/O Shield
• 2 x Serial ATA (SATA) Data Cables (Optional)
• 3 x Screws for M.2 Sockets (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 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.

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1.2 Specications
Platform • Micro ATX Form Factor
CPU • Supports AMD Socket AM5 RyzenTM 7000 Series Processors
Chipset • AMD A620
Memory • Dual Channel DDR5 Memory Technology
• 2 x DDR5 DIMM Slots
• Supports DDR5 non-ECC, un-buered memory up to
6400+(OC)*
• Max. capacity of system memory: 64GB
• Supports Extreme Memory Prole (XMP) and EXTended
Proles for Overclocking (EXPO) memory modules
* Please refer to Memory Support List on ASRock's website for
more information. (http://www.asrock.com/)
Expansion
Slot
CPU:
• 1 x PCIe 4.0 x16 Slot (PCIE1), supports x16 mode*
Chipset:
• 2 x PCIe 3.0 x1 Slots (PCIE2 and PCIE3)*
• 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe
WiFi module
* Supports NVMe SSD as boot disks
• 15μ Gold Contact in VGA PCIe Slot (PCIE1)
Graphics • Integrated AMD RDNATM 2 graphics (Actual support may
vary by CPU)
• 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR,
HDCP 2.3 and max. resolution up to 4K 120Hz
• 1 x DisplayPort 1.4 with DSC (compressed), supports HDCP
2.3 and max. resolution up to 4K 120Hz
Audio • 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
• Nahimic Audio

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A620M-HDV/M.2+
LAN • Gigabit LAN 10/100/1000 Mb/s
• Realtek RTL8111H
USB • 1 x USB 3.2 Gen1 Type-C (Rear)
• 5 x USB 3.2 Gen1 Type-A (3 Rear, 2 Front)
• 6 x USB 2.0 (2 Rear, 4 Front)
* All USB ports support ESD Protection
Rear Panel
I/O
• 2 x Antenna Mounting Points
• 1 x HDMI Port
• 1 x DisplayPort 1.4
• 1 x USB 3.2 Gen1 Type-C Port
• 3 x USB 3.2 Gen1 Type-A Ports
• 2 x USB 2.0 Ports
• 1 x RJ-45 LAN Port
• 1 x BIOS Flashback Button
• HD Audio Jacks: Line in / Front Speaker / Microphone
Storage CPU:
• 1 x Hyper M.2 Socket (M2_1, Key M), supports type 2280
PCIe Gen4x4 (64 Gb/s) mode*
• 1 x Hyper M.2 Socket (M2_2, Key M), supports type
2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
Chipset:
• 4 x SATA3 6.0 Gb/s Connectors
* Supports NVMe SSD as boot disks
RAID • Supports RAID 0, RAID 1 and RAID 10 for SATA storage
devices
• Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe
storage devices*
* Requires additional M.2 NVMe expansion cards to support
RAID 10

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Connector • 1 x SPI TPM Header
• 1 x Power LED and Speaker Header
• 1 x CPU Fan Connector (4-pin)*
• 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan
Speed Control)**
• 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)
• 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
* CPU_FAN1 supports the fan power up to 1A (12W).
** CHA_FAN1~3/WP support the fan power up to 2A (24W).
** CHA_FAN1~3/WP can auto detect if 3-pin or 4-pin fan is in
use.
BIOS
Feature
• AMI UEFI Legal BIOS with GUI support
OS • Microso® Windows® 10 64-bit / 11 64-bit
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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A620M-HDV/M.2+
1.3 Motherboard Layout

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No. Description
1 ATX 12V Power Connector (ATX12V1)
2 CPU Fan Connector (CPU_FAN1)
3 2 x 288-pin DDR5 DIMM Slots (DDR5_A1, DDR5_B1)
4 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)
5 ATX Power Connector (ATXPWR1)
6 Chassis/Water Pump Fan Connector (CHA_FAN3/WP)
7 USB 3.2 Gen1 Header (USB32_4_5)
8 SPI TPM Header (SPI_TPM_J1)
9 SATA3 Connectors (SATA3_2)(Upper), (SATA3_1)(Lower)
10 SATA3 Connectors (SATA3_4)(Upper), (SATA3_3)(Lower)
11 System Panel Header (PANEL1)
12 Power LED and Speaker Header (SPK_PLED1)
13 Clear CMOS Jumper (CLRCMOS1)
14 Post Status Checker (PSC)
15 USB 2.0 Header (USB_5_6)
16 USB 2.0 Header (USB_3_4)
17 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)
18 Front Panel Audio Header (HD_AUDIO1)