B460M Pro4/ac - Motherboard ASROCK - Free user manual and instructions

Brand	ASROCK
Model	B460M Pro4/ac
Product Type	Micro ATX Motherboard
Chipset	Intel B460
Processor Socket	LGA1200 (10th Gen Intel Core)
Memory	4 x DIMM DDR4, max 128 GB, DDR4 2933/2666/2400/2133, supports XMP 2.0
Expansion Slots	2 x PCIe 3.0 x16 (x16/x4), 1 x PCIe 3.0 x1
Storage	6 x SATA3 6 Gb/s, 1 x M.2 PCIe Gen3 x4, 1 x M.2 SATA/PCIe Gen3 x4
Graphics	1 x HDMI 1.4, supports 4K UHD (with integrated graphics processors)
Audio	Realtek ALC1200, 7.1 HD channels, surge protection
Networking	Gigabit LAN Intel I219V, Wi-Fi 802.11ac + Bluetooth 4.2
Rear I/O	1 x PS/2, 1 x HDMI, 4 x USB 3.2 Gen1 type A, 1 x USB-C 3.2 Gen1, 2 x USB 2.0, RJ-45, audio jacks
Power Supply	ATX 24-pin + 12V 8-pin
Security	Audio surge protection and electrostatic discharge (ESD) protection
Special Features	Supports AMD CrossFire, NVMe boot, Intel Optane, RGB LED headers (2x 12V, 2x 5V addressable), TPM, Thunderbolt AIC
Operating System	Windows 10 64-bit
Certifications	FCC, CE, ErP/EuP Ready
Package Contents	Motherboard, quick guide, support CD, 2 SATA cables (optional), 2 Wi-Fi antennas (optional), 2 M.2 screws (optional), I/O panel

Frequently Asked Questions - B460M Pro4/ac ASROCK

Which processors are compatible with the B460M Pro4/ac motherboard?

The motherboard is compatible with 10th Gen Intel Core processors (socket LGA1200), including Core i9, i7, i5, i3, Pentium and Celeron.

How many memory slots does it have and what is the maximum capacity?

It has 4 DIMM DDR4 slots, supporting up to 128 GB of memory. Supported frequencies range from 2133 to 2933 MHz depending on the processor (2933 for i9/i7, 2666 for i5/i3).

How to install the included Wi-Fi module?

Insert the Wi-Fi 802.11ac module into the designated M.2 (Key E) socket, then attach the two provided antennas to the antenna ports located at the rear of the board.

How to clear CMOS?

Turn off the computer, unplug the power cord, wait 15 seconds, then use a jumper cap to short the pins of jumper CLRMOS1 for 5 seconds. Then remove the cap.

What are the available storage options?

The board offers 6 SATA3 ports (6 Gb/s), one Ultra M.2 (M2_1) slot supporting PCIe Gen3 x4 and a second M.2 (M2_2) slot supporting SATA or PCIe Gen3 x4. The M2_1 slot also supports NVMe and Intel Optane SSDs.

How to connect the front panel of the case?

Connect the front panel cables to the PANEL1 header (9-pin) following the pinout: PWRBTN (power button), RESET (reset), PLED (power LED), HDLED (hard drive LED). Polarities are indicated in the manual.

Does the motherboard support Dual Channel?

Yes, it supports Dual Channel technology. To activate it, install identical memory modules (same capacity, speed, brand) in slots of the same color (e.g., slots A2 and B2).

What is the recommended operating system?

The recommended operating system is Microsoft Windows 10 64-bit. Other systems may work but are not officially supported.

How to update the BIOS?

Download the latest BIOS version from the ASRock website for this model. Copy the file to a FAT32 USB flash drive, boot into the UEFI BIOS and use the Instant Flash tool to perform the update.

Is the motherboard compatible with AMD CrossFire graphics cards?

Yes, it supports AMD Quad CrossFireX and CrossFireX via the two PCIe 3.0 x16 slots (the first at x16, the second at x4).

USER MANUAL B460M Pro4/ac ASROCK

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 identification or explanation and to the owners' benefit, without intent to infringe.

Disclaimer:

Specifications 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 fitness for a particular purpose.

In no event shall ASRock, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential damages (including damages for loss of profits, 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.

This 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

The 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: [phone] ext.123 (Standard International call charges apply)

The terms HDMI ^® and HDMI High-Definition Multimedia Interface, and the HDMI logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.

HIGH-DEFINITION MULTIMEDIA INTERFACE

CE Warning

This device complies with directive 2014/53/EU issued by the Commission of the European Community.

This equipment complies with EU radiation exposure limits set forth for an uncontrolled environment.

This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

Operations in the 5.15-5.35GHz band are restricted to indoor usage only.

	AT	BE	BG	CH	CY	CZ	DE
	DK	EE	EL	ES	FI	FR	HR
	HU	IE	IS	IT	LI	LT	LU
	LV	MT	NL	NO	PL	PT	RO
	SE	SI	SK	TR	UK

Radio transmit power per transceiver type

Function Frequency Maximum Output Power (EIRP)

	2400-2483.5 MHz 18.5 + / -1.5 dbm
	5150-5250 MHz 21.5 + / -1.5 dbm
WiFi	5250-5350 MHz	18.5 + / -1.5 dbm (no TPC)
		21.5 + / -1.5 dbm (TPC)
	5470-5725 MHz	25.5 + / -1.5 dbm (no TPC)
		28.5 + / -1.5 dbm (TPC)

Bluetooth 2400-2483.5 MHz 8.5 + / -1.5 dbm

Motherboard Layout

27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 PCIE2 RoHS CMOS Battery PCIE3 M2_3 PCIE1 M2_2 PCIE1 USB3_3 DOSMC NDC BI-USB3_3 RJ-45 TSC LUNEM COMB FRONT LED M USB3_3 TOP: USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3 USB3_3

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 RGB LED Header (RGB_LED1)
7 Addressable LED Header (ADDR_LED1)
8 ATX Power Connector (ATXPWR1)
9 USB 3.2 Gen1 Header (USB3_5_6)
10 SATA3 Connector (SATA3_2)
11 SATA3 Connector (SATA3_3)
12 SATA3 Connector (SATA3_4)
13 SATA3 Connector (SATA3_5)
14 Chassis/Water Pump Fan Connector (CHA_FAN3/WP)
15 Chassis Intrusion and Speaker Header (SPK_CI1)
16 System Panel Header (PANEL1)
17 SATA3 Connector (SATA3_0)
18 SATA3 Connector (SATA3_1)
19 SPI TPM Header (SPI_TPM_J1)
20 USB 2.0 Header (USB5_6)
21 USB 2.0 Header (USB3_4)
22 Clear CMOS Jumper (CLRMOS1)
23 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)
24 Thunderbolt AIC Connector (TB1)
25 RGB LED Header (RGB_LED2)
26 Addressable LED Header (ADDR_LED2)
27 Front Panel Audio Header (HD_AUDIO1)
28 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)

I/O Panel

Diagram showing 11 labeled electronic devices or devices with icons and numbers, likely representing a system or device layout.

No. Description No. Description

1 USB 2.0 Ports (USB12) 7 USB 3.2 Gen1 Ports (USB3_1_2)
2 LAN RJ-45 Port* 8 USB 3.2 Gen1 Type-C Port (USB3_TC_1)
3 Line In (Light Blue)** 9 Antenna Ports
4 Front Speaker (Lime)** 10 HDMI Port
5 Microphone (Pink)** 11 PS/2 Mouse/Keyboard Port
6 USB 3.2 Gen1 Ports (USB3_3_4)

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

ACT/LINK LED

LAN Port

Activity / Link LED Speed LED

Status	Description
Off	No Link
Blinking	Data Activity
On	Link

Status	Description
Off	10Mbps connection
Orange	100Mbps connection
Green	1Gbps connection

** Function of the Audio Ports in 7.1-channel Configuration:

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

WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz Antennas

WiFi-802.11ac + BT Module

This motherboard comes with an exclusive WiFi 802.11 a/b/g/n/ac + BT v4.2 module that offers support for WiFi 802.11 a/b/g/n/ac connectivity standards and Bluetooth v4.2. WiFi + BT module is an easy-to-use wireless local area network (WLAN) adapter to support WiFi + BT. Bluetooth v4.2 standard features Smart Ready technology that adds a whole new class of functionality into the mobile devices. BT 4.2 also includes Low Energy Technology and ensures extraordinary low power consumption for PCs.

* The transmission speed may vary according to the environment.

WiFi Antennas Installation Guide

Two cylindrical objects with segmented ends, no text or symbols visible

Technical line drawing of a mechanical assembly with two cylindrical components mounted on a base (no text or symbols)

Mechanical assembly diagram showing a lever mechanism with rotating components (no text or labels)

Step 1

Prepare the WiFi 2.4/5 GHz Antennas that come with the package.

Step 2

Connect the two WiFi 2.4/5 GHz Antennas to the antenna connectors. Turn the antenna clockwise until it is securely connected.

Step 3

Set the WiFi 2.4/5 GHz Antenna as shown in the illustration.

*You may need to adjust the direction of the antenna for a stronger signal.

Chapter 1 Introduction

Thank you for purchasing ASRock B460M Pro4/ac 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.

Because the motherboard specifications and the BIOS software might be updated, the content of this documentation will be subject to change without notice. In case any modifications 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 specific information about the model you are using. You may find the latest VGA cards and CPU support list on ASRock's website as well. ASRock website http://www.asrock.com.

1.1 Package Contents

• ASRock B460M Pro4/ac Motherboard (Micro ATX Form Factor)
• ASRock B460M Pro4/ac Quick Installation Guide
• ASRock B460M Pro4/ac Support CD
• 2 x Serial ATA (SATA) Data Cables (Optional)
• 2 x ASRock WiFi 2.4/5 GHz Antennas (Optional)
• 2 x Screws for M.2 Sockets (Optional)
- 1 x I/O Panel Shield

1.2 Specifications

Platform

• Micro ATX Form Factor
  • Solid Capacitor design

CPU

• Supports 10 ^th Gen Intel ^ Core ^TM Processors (Socket 1200)
- Digi Power design
• 9 Power Phase design
• Supports Intel ^® Turbo Boost Max 3.0 Technology

Chipset

- Intel® B460

Memory

• Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
- Supports DDR4 2933/2800/2666/2400/2133 non-ECC, unbuffered memory
* Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/)
* Core ^TM (i9/i7) support DDR4 up to 2933; Core ^TM (i5/i3), Pentium ^® and Celeron ^® support DDR4 up to 2666.
- Supports ECC UDIMM memory modules (operate in non-ECC mode)
• Max. capacity of system memory: 128GB
• Supports Intel ^® Extreme Memory Profile (XMP) 2.0
• 15μ Gold Contact in DIMM Slots

Expansion

Slot

• 2 x PCI Express 3.0 x16 Slots (PCIE1/PCIE3: single at x16 (PCIE1); dual at x16 (PCIE1) / x4 (PCIE3))
  * Supports NVMe SSD as boot disks
  • 1 x PCI Express 3.0 x1 Slot
  • Supports AMD Quad CrossFireX ^TM and CrossFireX ^TM
• 1 x M.2 Socket (Key E) with the bundled WiFi-802.11ac module

Graphics

* Intel® UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated.

- Hardware Accelerated Codecs: AVC/H.264, HEVC/H.265 8bit, HEVC/H.265 10bit, VP8, VP9 8bit, VP9 10bit, MPEG 2, MJPEG, VC-1

* VP9 10bit and VC-1 are for decode only.

* VP8 and VP9 encode are not supported by Windows OS.

- Graphics, Media & Compute: Microsoft DirectX 12, OpenGL 4.5, Intel® Built In Visuals, Intel® Quick Sync Video, Hybrid / Switchable Graphics, OpenCL 2.1

- Display & Content Security: Rec. 2020 (Wide Color Gamut), Microsoft PlayReady 3.0, Intel® SGX Content Protection, UHD/HDR Blu-ray Disc

- Supports HDMI 1.4 with max. resolution up to 4K x 2K (4096x2160) @ 30Hz

- 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 2.3 with HDMI 1.4 Port

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

Audio

- 7.1 CH HD Audio with Content Protection (Realtek ALC1200 Audio Codec)

• Premium Blu-ray Audio support

• Supports Surge Protection

• PCB Isolate Shielding

• Individual PCB Layers for R/L Audio Channel

- Nahimic Audio

LAN

• Gigabit LAN 10/100/1000 Mb/s

• Giga PHY Intel ^® I219V

• Supports Wake-On-LAN

• Supports Lightning/ESD Protection

• Supports Energy Efficient Ethernet 802.3az

• Supports PXE

Wireless

LAN

• Intel® 802.11ac WiFi Module
  • Supports IEEE 802.11a/b/g/n/ac
  • Supports Dual-Band (2.4/5 GHz)
  • Supports high speed wireless connections up to 433Mbps
  • Supports Bluetooth 4.2+ High speed class II

Rear Panel

I/O

• 2 x Antenna Ports
  • 1 x PS/2 Mouse/Keyboard Port
• 1 x HDMI Port
  • 4 x USB 3.2 Gen1 Type-A Ports (Supports ESD Protection)
  • 1 x USB 3.2 Gen1 Type-C Port (Supports ESD Protection)
  • 2 x USB 2.0 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

- 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1, RAID 5, RAID 10, Intel Rapid Storage Technology 17), NCQ, AHCI and Hot Plug*

* If M2_2 is occupied by a SATA-type M.2 device, SATA3_0 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) ^
• 1 x Ultra M.2 Socket (M2_2), supports M Key type
2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s) ^

** Supports Intel® Optane ^TM Technology y (M2_1)

** Supports NVMe SSD as boot disks

** Supports ASRock U.2 Kit

Connector

• 1 x SPI TPM Header
• 1 x Chassis Intrusion and Speaker Header
- 2 x RGB LED Headers

* Support in total up to 12V/3A, 36W LED Strip
• 2 x Addressable LED Headers

* Support in total up to 5V/3A, 15W LED Strip
• 1 x CPU Fan Connector (4-pin)

* The 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)

* The 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)

* The 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
- 1 x Thunderbolt AIC Connector (5-pin) (Supports ASRock Thunderbolt 3 AIC R2.0 Card only)
- 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 multilingual GUI support
• ACPI 6.0 Compliant wake up events
- SMBIOS 2.7 Support
- CPU Core/Cache, GT, DRAM, VPPM, PCH 1.05V, VCCST, VCCSA Voltage Multi-adjustment

Hardware Monitor

• Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): 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, CPU Vcore, DRAM, VPPM, PCH, VCCSA, VCCST

os

• Microsoft® Windows® 10 64-bit

Certifications

- FCC, CE

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

* For detailed product information, please visit our website: http://www.asrock.com

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 affect 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.

Chapter 2 Installation

This is a Micro ATX form factor motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits 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 components. Failure to do so may cause physical injuries 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.

2.1 Installing the CPU

1. Before you insert the 1200-Pin CPU into the socket, please check if the PnP cap is on the socket, if the CPU surface is unclean, or if there are any bent pins in the socket. Do not force to insert the CPU into the socket if above situation is found. Otherwise, the CPU will be seriously damaged.
2. Unplug all power cables before installing the CPU.

1

Technical line drawing of a mechanical component with labeled arrows A and B indicating directional flow (no text or symbols beyond labels)

2

Technical line drawing of a mechanical component with an arrow indicating rotation or assembly (no text or symbols present)

3

Technical diagram of a computer processor internal structure showing mounting holes and internal components (no text or labels)

Diagram of a computer monitor with an orange curved arrow indicating motion or rotation (no text or symbols present)

5

Diagram of a computer processor showing internal components and a close-up view of the base (no text or symbols)

Please save and replace the cover if the processor is removed. The cover must be placed if you wish to return the motherboard for after service.

2.2 Installing the CPU Fan and Heatsink

Line drawing of a mechanical device with a pipette inserted into a square component (no text or symbols)

Technical diagram showing cooling fan installation and CPU socket assembly with directional arrows indicating rotation

2 COS-123

2.3 Installing Memory Modules (DIMM)

This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual Channel Memory Technology.

1. For dual channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR4 DIMM pairs.
2. It is unable to activate Dual 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.

Dual Channel Memory Configuration

Priority DDR4_A1 DDR4_A2 DDR4_B1 DDR4_B2

1 Populated Populated
2 Populated Populated Populated Populated

The DIMM only fits in one correct orientation. It will cause permanent damage to the motherboard and the DIMM if you force the DIMM into the slot at incorrect orientation.

1

Technical line drawing of a mechanical support structure with an arrow indicating rotation (no text or symbols)

2

Illustration of hands installing a component into a mechanical bracket with an arrow indicating the process (no text or symbols present)

3

Isometric line drawing of a rectangular device with multiple square panels and a curved arrow indicating rotation (no text or symbols)

2.4 Expansion Slots (PCI Express Slots)

There are 3 PCI Express slots on the motherboard.

Before installing an expansion card, please make sure that the power supply is switched off or the power cord is unplugged. Please read the documentation of the expansion card and make necessary hardware settings for the card before you start the installation.

PCIe slots:

PCIE1 (PCIe 3.0 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 Configurations

PCIE1 PCIE3

Single Graphics Card x16 N/A

Two Graphics Cards in

CrossFireX™ Mode

x16 x4

For a better thermal environment, please connect a chassis fan to the motherboard's chassis fan connector (CHA_FAN1/WP, CHA_FAN2/WP or CHA_FAN3/WP) when using multiple graphics cards.

2.5 Jumpers Setup

The 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 “Open”.

Short

Open

Clear CMOS Jumper (CLRMOS1)

(see p.1, No. 22)

2-pin Jumper

CLRMOS1 allows you to clear the data in CMOS. To clear and reset the system parameters to default setup, please turn off the computer and unplug the power cord from the power supply. After waiting for 15 seconds, use a jumper cap to short the pins on CLRMOS1 for 5 seconds. However, please do not clear the CMOS right after you update the BIOS. If you need to clear the CMOS when you just finish updating the BIOS, you must boot up the system first, and then shut it down before you do the clear-CMOS action. Please be noted that the password, date, time, and user default profile will be cleared only if the CMOS battery is removed. Please remember to remove the jumper cap after clearing the CMOS.

If you clear the CMOS, the case open may be detected. Please adjust the BIOS option "Clear Status" to clear the record of previous chassis intrusion status.

2.6 Onboard Headers and Connectors

Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard.

System Panel Header (9-pin PANEL1) (see p.1, No. 16)

PLED+ PLED- PWRBTN# GND 1 GND RESET# GND HDLED- HDLED+

Connect the power switch, reset switch 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.

PWRBTN (Power Switch):

Connect to the power switch on the chassis front panel. You may configure the way to turn off your system using the power switch.

RESET (Reset Switch):

Connect to the reset switch on the chassis front panel. Press the reset switch to restart the computer if the computer freezes and fails to perform a normal restart.

PLED (System Power LED):

Connect to the power status indicator on the chassis front panel. The LED is on when the system is operating. The LED keeps blinking when the system is in S1/S3 sleep state. The LED is off when the system is in S4 sleep state or powered off (S5).

HDLED (Hard Drive Activity LED):

Connect to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive is reading or writing data.

The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset switch, power LED, hard drive activity LED, speaker and etc. When connecting your chassis front panel module to this header, make sure the wire assignments and the pin assignments are matched correctly.

Chassis Intrusion and Speaker Header (7-pin SPK_CI1) (see p.1, No. 15)

Please connect the chassis intrusion and the chassis speaker to this header.

Serial ATA3 Connectors

(SATA3_0:

see p.1, No. 17)

(SATA3_1:

see p.1, No. 18)

(SATA3_2:

see p.1, No. 10)

(SATA3_3:

see p.1, No. 11)

(SATA3_4:

see p.1, No. 12)

(SATA3_5:

see p.1, No. 13)

SATA3_4 SATA3_2 SATA3_5 SATA3_3

SATA3_1

SATA3_0

These six SATA3

connectors support SATA data cables for internal storage devices with up to 6.0 Gb/s data transfer rate. If M2_2 is occupied by a SATA-type M.2 device, SATA3_0 will be disabled.

USB 2.0 Headers

(9-pin USB3_4)

(see p.1, No. 21)

(9-pin USB5_6)

(see p.1, No. 20)

USB_PWR P- P+ GND DUMMY 1 P+ GND USB_PWR

There are two USB

2.0 headers on this motherboard. Each USB 2.0 header can support two ports.

USB 3.2 Gen1 Header

(19-pin USB3_5_6)

(see p.1, No. 9)

VbusVbus Vbus IntA_PB_SSRX- IntA_PB_SSRX+ GND GND IntA_PB_SSTX- IntA_PB_SSTX+ GND GND IntA_PB_D- IntA_PB_D+ Dummy 1

There is one USB 3.2

Gen1 header on this motherboard. Each USB 3.2 Gen1 header can support two ports.

Front Panel Audio Header

(9-pin HD_AUDIO1)

(see p.1, No. 27)

GND PRESENCE# MIC_RET OUT_RET 1 J_SENSE OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L

This header is for

connecting audio devices to the front audio panel.

1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instructions 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_I.
B. Connect 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.1, No. 28)

(4-pin CHA_FAN2/WP) (see p.1, No. 23)
(4-pin CHA_FAN3/WP) (see p.1, No. 14)

CPU Fan Connector

(4-pin CPU_FAN1)

(see p.1, No. 3)

This motherboard provides three 4-Pin water cooling chassis fan connectors. If you plan to connect a 3-Pin chassis water cooler fan, please connect it to Pin 1-3.

FAN_SPEED FAN_VOLTAGE_CONTROL GND FAN_SPEED_CONTROL 1 2 3 4

This motherboard provides 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.

CPU/Water Pump Fan Connector

(4-pin CPU_FAN2/WP)

(see p.1, No. 2)

FAN_VOLTAGE_CONTROL GND FAN_SPEED FAN_SPEED_CONTROL 1 2 3 4

This 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.

FAN_VOLTAGE_CONTROL GND FAN_SPEED FAN_SPEED_CONTROL 1 2 3 4

ATX Power Connector (24-pin ATXPWR1) (see p.1, No. 8)

This motherboard provides a 24-pin ATX power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13.

ATX 12V Power Connector (8-pin ATX12V1) (see p.1, No. 1)

This motherboard provides a 8-pin ATX 12V power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5.

SPI TPM Header (13-pin SPI_TPM_J1) (see p.1, No. 19)

SPI_DQ3 +3.3V TPM_Present CLK SPI_MOSI RST# TPM_PIRQ 1 SPI_TPM_CS# GND RSMRST# SPI_MISO SPI_CS0 SPI_DQ2

This connector supports SPI Trusted Platform Module (TPM) system, which can securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity.

Thunderbolt AIC Connector (5-pin TB1) (see p.1, No. 24)

Please connect a Thunderbolt™ add-in card (AIC) to this connector via the GPIO cable. *Please install the Thunderbolt™ AIC card to PCIE3 (default slot).

RGB LED Headers

(4-pin RGB_LED1)

(see p.1, No. 6)

(4-pin RGB_LED2)

(see p.1, No. 25)

RGB LED headers are used to connect RGB LED extension cables which allow users to choose from various LED lighting effects.

Caution: Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.

*Please refer to page 33 for for further instructions on this header.

Addressable LED Header

(3-pin ADDR_LED1)

(see p.1, No. 7)

(3-pin ADDR_LED2)

(see p.1, No. 26)

The headers are used to connect Addressable LED extension cables which allow users to choose from various LED lighting effects.

Caution: Never install the Addressable LED cable in the wrong orientation; otherwise, the cable may be damaged.

*Please refer to page 34 for further instructions on this header.

2.7 M.2\_SSD (NGFF) Module Installation Guide (M2\_1)

The 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. The 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).

Installing the M.2\_SSD (NGFF) Module

Pure technical line drawing of a rectangular component with no text, numbers, or symbols

Step 1

Prepare a M.2_SSD (NGFF) module and the screw.

C B A 1 2 3

Step 2

Depending on the PCB type and length of your M.2_SSD (NGFF) module, find the corresponding nut location to be used.

No.123

Nut Location A B C

PCB Length 4.2cm 6cm 8cm

Module Type

Type2242

Type2260

Type 2280

Three circular diagrams labeled A, B, and C showing different mechanical or electrical components (no text or symbols present)

Step 3

Move the standoff based on the module type and length.

The standoff is placed at the nut location C by default. Skip Step 3 and 4 and go straight to Step 5 if you are going to use the default nut.

Otherwise, release the standoff by hand.

Step 4

Peel off the yellow protective film on the nut to be used. Hand tighten the standoff into the desired nut location on the motherboard.

C B A 20°

Step 5

Gently insert the M.2 (NGFF) SSD module into the M.2 slot. Please be aware that the M.2 (NGFF) SSD module only fits in one orientation.

Technical diagram showing a mechanical assembly with labeled components A, B, and C, including an arrow indicating direction.

Pure technical diagram showing a mechanical setup with a lever and base plate, no text or symbols present.

Step 7

Tighten the screw with a screwdriver to secure the module into place.

Please do not overtighten the screw as this might damage the module.

M.2\_SSD (NGFF) Module Support List

Vendor Interface P/N
ADATA PCIe3 x4 ASX7000NP-128GT-C
ADATA PCIe3 x4 ASX8000NP-256GM-C
ADATA PCIe3 x4 ASX7000NP-256GT-C
ADATA PCIe3 x4 ASX8000NP-512GM-C
ADATA PCIe3 x4 ASX7000NP-512GT-C
Apacer PCIe3 x4 AP240GZ280
Corsair PCIe3 x4 CSSD-F240GBMP500
Intel PCIe3 x4 SSDPEKKF256G7
Intel PCIe3 x4 SSDPEKKF512G7
Kingston PCIe3 x4 SKC1000/480G
Kingston PCIe2 x4 SH2280S3/480G
OCZ PCIe3 x4 RVD400 -M2280-512G (NVME)
PATR IOT PCIe3 x4 PH240GPM280SSDR NVME
Plextor PCIe3 x4 PX-128M8PeG
Plextor PCIe3 x4 PX-1TM8PeG
Plextor PCIe3 x4 PX-256M8PeG
Plextor PCIe3 x4 PX-512M8PeG
Plextor PCIe PX-G256M6e
Plextor PCIe PX-G512M6e
Samsung	PCIe3 x4	SM961 MZVPW128HEGM (NVM)
Samsung	PCIe3 x4	PM961 MZVLW128HEGR (NVME)
Samsung	PCIe3 x4	960 EVO (MZ-V6E250) (NVME)
Samsung	PCIe3 x4	960 EVO (MZ-V6E250BW) (NVME)
Samsung	PCIe3 x4 SM951 (NVME)
Samsung	PCIe3 x4	SM951 (MZHPV256HDGL)
Samsung	PCIe3 x4	SM951 (MZHPV512HDGL)
Samsung	PCIe3 x4 SM951 (NVME)
Samsung	PCIe x4	XP941-512G (MZHPU512HCGL)
SanDisk	PCIe SD6PP4M-128G
SanDisk	PCIe SD6PP4M-256G
TEAM	PCIe3 x4 TM8FP2240G0C101
TEAM	PCIe3 x4 TM8FP2480GC110
WD	PCIe3 x4	WDS256G1X0C-00ENX0 (NVME)
WD	PCIe3 x4	WDS512G1X0C-00ENX0 (NVME)

For the latest updates of M.2_SSD (NFGG) module support list, please visit our website for details: http://www.asrock.com

2.8 M.2\_SSD (NGFF) Module Installation Guide (M2\_2)

The 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. The Ultra M.2 Socket (M2_2) supports M Key type 2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s).

* If M2_2 is occupied by a SATA-type M.2 device, SATA3_0 will be disabled.

Installing the M.2\_SSD (NGFF) Module

Pure technical line drawing of a rectangular component with cutouts and mounting holes (no text or symbols)

Step 1

Prepare a M.2_SSD (NGFF) module and the screw.

2 1 B A

Step 2

Depending on the PCB type and length of your M.2_SSD (NGFF) module, find the corresponding nut location to be used.

No.12

Nut Location A B

PCB Length 6cm 8cm

Module Type Type2260 Type 2280

Step 3

Move the standoff based on the module type and length.

The standoff is placed at the nut location B by default. Skip Step 3 and 4 and go straight to Step 5 if you are going to use the default nut.

Otherwise, release the standoff by hand.

Step 4

Peel off the yellow protective film on the nut to be used. Hand tighten the standoff into the desired nut location on the motherboard.

B A 20° B A

Step 5

Gently insert the M.2 (NGFF) SSD module into the M.2 slot. Please be aware that the M.2 (NGFF) SSD module only fits in one orientation.

Simple line drawing of a mechanical setup with a lever and base plate, no text or symbols present

Step 6

Tighten the screw with a screwdriver to secure the module into place. Please do not overtighten the screw as this might damage the module.

M.2\_SSD (NGFF) Module Support List

Vendor Interface P/N
Team SATA3 TM4PS4128GMC105
Team SATA3 TM4PS4256GMC105
Transcend SATA3 TS256GMTS400
ADATA SATA3 AXNS381E-128GM-B
ADATA SATA3 AXNS381E-256GM-B
ADATA SATA3 ASU800NS38-256GT-C
ADATA SATA3 ASU800NS38-512GT-C
ADATA PCIe3 x4 ASX7000NP-128GT-C
ADATA PCIe3 x4 ASX8000NP-256GM-C
ADATA PCIe3 x4 ASX7000NP-256GT-C
ADATA PCIe3 x4 ASX8000NP-512GM-C
ADATA PCIe3 x4 ASX7000NP-512GT-C
Apacer PCIe3 x4 AP240GZ280
Corsair PCIe3 x4 CSSD-F240GBMP500
Crucial SATA3 CT120M500SSD4
Crucial SATA3 CT240M500SSD4
Intel SATA3 Intel SSDSCKGW080A401/80G
Intel PCIe3 x4 SSDPEKKF256G7
Intel PCIe3 x4 SSDPEKKF512G7
Kingston SATA3 SM2280S3
Kingston PCIe3 x4 SKC1000/480G
Kingston PCIe2 x4 SH2280S3/480G
OCZ PCIe3 x4 RVD400 -M2280-512G (NVME)
PATRIOT	PCIe3 x4	PH240GPM280SSDR NVME
Plextor PCIe3 x4	PX-128M8PeG
Plextor PCIe3 x4	PX-1TM8PeG
Plextor PCIe3 x4	PX-256M8PeG
Plextor PCIe3 x4	PX-512M8PeG
Plextor PCIe	PX-G256M6e
Plextor PCIe	PX-G512M6e
Samsung	PCIe3 x4	SM961 MZVPW128HEGM (NVM)
Samsung	PCIe3 x4	PM961 MZVLW128HEGR (NVME)
Samsung	PCIe3 x4	960 EVO (MZ-V6E250) (NVME)
Samsung	PCIe3 x4	960 EVO (MZ-V6E250BW) (NVME)
Samsung	PCIe3 x4 SM951 (NVME)
Samsung	PCIe3 x4	SM951 (MZHPV256HDGL)
Samsung	PCIe3 x4	SM951 (MZHPV512HDGL)
Samsung	PCIe3 x4 SM951 (NVME)
Samsung	PCIe x4	XP941-512G (MZHPU512HCGL)
SanDisk	PCIe	SD6PP4M-128G
SanDisk	PCIe	SD6PP4M-256G

Team SATA3 TM8PS4128GMC105

Team SATA3 TM8PS4256GMC105

TEAM PCIe3 x4 TM8FP2240G0C101

TEAM PCIe3 x4 TM8FP2480GC110

Transcend SATA3 TS512GMTS600

Transcend SATA3 TS512GMTS800

V-Color SATA3 VLM100-120G-2280B-RD

V-Color SATA3 VLM100-240G-2280RGB

V-Color SATA3 VSM100-240G-2280

V-Color SATA3 VLM100-240G-2280B-RD

WD SATA3 WDS100T1B0B-00AS40

WD SATA3 WDS240G1G0B-00RC30

WD PCIe3 x4 WDS256G1X0C-00ENX0 (NVME)

WD PCIe3 x4 WDS512G1X0C-00ENX0 (NVME)

For the latest updates of M.2_SSD (NFGG) module support list, please visit our website for details: http://www.asrock.com

2.9 ASRock Polychrome SYNC

ASRock Polychrome SYNC is a lighting control utility specifically designed for unique individuals 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 RGB LED Headers (RGB_LED1 / RGB_LED2) on the motherboard.

RGB_LED1 B R G 12V RGB_LED2 1 12VG R B 1 12VG R B

1. Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.
2. Before installing or removing your RGB LED cable, please power off 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. The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.

Connecting the Addressable RGB LED Strip

Connect your Addressable RGB LED strips to the Addressable LED Headers (ADDR_LED1 / ADDR_LED2) on the motherboard.

ADDR_LED1 GND DO_ADDR VOUT 1 ADDR_LED2 1 GND DO_ADDR VOUT 1

1. Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.
2. Before installing or removing your RGB LED cable, please power off 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. The RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V) and length within 2 meters.

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/off the RGB LED switch Style Select a RGB LED light effect from the drop-down menu. Sync RGB LED effects for all LED regions of the motherboard Apply All LED Channel: Chipset Heatsink Static Stable Breathing Stroke Cycling Random Random Cycling Music Wave

1 Einleitung

Serial-ATA-III-Anschlüsse

(SATA3_0:

siehe S. 1, Nr. 17)

(SATA3_1:

siehe S. 1, Nr. 18)

(SATA3_2:

siehe S. 1, Nr. 10)

(SATA3_3:

siehe S. 1, Nr. 11)

(SATA3_4:

siehe S. 1, Nr. 12)

(SATA3_5:

siehe S. 1, Nr. 13)

SATA3_4 SATA3_2 SATA3_5 SATA3_3

SATA3_1

SATA3_0

(4-polig, CHA_FAN1/WP)

(4-polig, CHA_FAN2/WP)

(4-polig, CHA_FAN3/WP)

(4-polig, CPU_FAN2/WP)

(siehe S. 1, Nr. 2)

FAN_SPEED FAN_VOLTAGE_CONTROL GND FAN_SPEED_CONTROL 1 2 3 4

(3-polig, ADDR_LED1)

(siehe S. 1, Nr. 7)

(3-polig, ADDR_LED2)

• Supporto WOL (Wake-On-LAN)

• Supporto Energy Efficient Ethernet 802.3az

- Supporto PXE

LAN wireless

- 6 x connettori SATA3 6,0 Gb/s supportano RAID (RAID 0, RAID 1, RAID 5, RAID 10, Intel Rapid Storage Technology 17), NCQ, AHCI e Hot Plug*

** Supporta kit ASRock U.2

Connettore

(CHA_FAN1/WP a 4 pin)

(CHA_FAN3/WP a 4 pin)

(3-pinowe ADDR_LED1)

(sprawdź s.1, Nr 7)

(3-pinowe ADDR_LED2)

- Codec Yang Dipercepat Hardware: AVC/H.264, HEVC/H.265 8-bit, HEVC/H.265 10-bit, VP8, VP9 8-bit, VP9 10-bit, MPEG2, MJPEG, VC-1

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

2F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District,

Taipei City 112, Taiwan (R.O.C.)

ASRock EUROPE B.V.

Bijsterhuizen 11-11

6546 AR Nijmegen

The Netherlands

Phone: [phone]

Fax: [phone]

ASRock America, Inc.

13848 Magnolia Ave, Chino, CA91710

U.S.A.

Phone: [phone]

Fax: [phone]

DECLARATION OF CONFORMITY

Per FCC Part 2 Section 2.1077(a)

Responsible Party Name: ASRock Incorporation

Address: 13848 Magnolia Ave, Chino, CA91710

Phone/Fax N o: [phone]/[phone]

hereby declares that the product

Product Name : Motherboard

Model Number : B460M Pro4/ac

Conforms to the following specifications:

☒ FCC Part 15, Subpart B, Unintentional Radiators

Supplementary Information:

This 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.

Representative Person's Name: James

Signature:

Date : May 12, 2017

EU Declaration of Conformity

ASRock®

For the following equipment:

Motherboard

(Product Name)

B460M Pro4/ac / ASRock

(Model Designation / Trade Name)

ASRock Incorporation

(Manufacturer Name)

2F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District, Taipei City 112, Taiwan (R.O.C.)

(Manufacturer Address)

EMC — Directive 2014/30/EU (from April 20th, 2016)

□ EN 55022:2010/AC:2011 Class B

EN 55024:2010/A1:2015

☒ EN 55032:2012+AC:2013 Class B

EN 61000-3-3:2013

EN 61000-3-2:2014

RED—Directive 2014/53/EU

□ EN 300 328 V2.1.1 EN 301 489-17 V3.1.1

×

□ EN 301 893 V2.1.1

□ EN 301 489-3 V2.1.1

□ EN 300 220 V3.1.1

□LVD —Directive 2014/35/EU (from April 20th, 2016)

□ EN 60950-1:2011+ A2:2013

□ EN 60950-1:2006/A12:2011

☒ RoHS — Directive 2011/65/EU

CE marking

(EU conformity marking)

ASRock EUROPE B.V.

(Company Name)

Bijsterhuizen 1111 6546 AR Nijmegen The Netherlands

(Company Address)

Person responsible for making this declaration:

(Name, Surname)

A.V.P

(Position / Title)

June 26, 2020

(Date)

P/N: 15G062239000AK V1.0