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PRIME B460M-K
Motherboard
E16225
First Edition
March 2020
Copyright © 2020 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, 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 USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual 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.
Offer to Provide Source Code of Certain Software
This product contains copyrighted software that is licensed under the General Public License (“GPL”), under the Lesser General Public License Version (“LGPL”) and/or other Free Open Source Software Licenses. Such software in this product is distributed without any warranty to the extent permitted by the applicable law. Copies of these licenses are included in this product.
Where the applicable license entitles you to the source code of such software and/or other additional data, you may obtain it for a period of three years after our last shipment of the product, either
(1)for free by downloading it from https://www.asus.com/support/
or
(2)for the cost of reproduction and shipment, which is dependent on the preferred carrier and the location where you want to have it shipped to, by sending a request to:
ASUSTeK Computer Inc.
Legal Compliance Dept.
1F., No.15, Lide Rd.,
Beitou Dist., Taipei City112
Taiwan
In your request please provide the name, model number and version, as stated in the About Box of the product for which you wish to obtain the corresponding source code and your contact details so that we can coordinate the terms and cost of shipment with you.
The source code will be distributed WITHOUT ANY WARRANTY and licensed under the same license as the corresponding binary/object code.
This offer is valid to anyone in receipt of this information.
ASUSTeK is eager to duly provide complete source code as required under various Free Open Source Software licenses. If however you encounter any problems in obtaining the full corresponding source code we would be much obliged if you give us a notification to the email address gpl@asus.com, stating the product and describing the problem (please DO NOT send large attachments such as source code archives, etc. to this email address).
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Contents
Safety information...................................................................................................... |
iv |
About this guide........................................................................................................... |
v |
Package contents....................................................................................................... |
vi |
PRIME B460M-K specifications summary................................................................ |
vi |
Connectors with shared bandwidth.......................................................................... |
ix |
Chapter 1 |
Product introduction |
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1.1 |
Before you proceed...................................................................................... |
1-1 |
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1.2 |
Motherboard overview.................................................................................. |
1-1 |
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1.3 |
Central Processing Unit (CPU).................................................................... |
1-7 |
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1.4 |
System memory............................................................................................ |
1-8 |
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Chapter 2 |
BIOS and RAID Support |
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2.1 |
Knowing BIOS............................................................................................... |
2-1 |
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2.2 |
BIOS setup program..................................................................................... |
2-2 |
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2.3 |
ASUS EZ Flash 3........................................................................................... |
2-3 |
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2.4 |
ASUS CrashFree BIOS 3............................................................................... |
2-4 |
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2.5 |
RAID configurations..................................................................................... |
2-5 |
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Appendix |
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Notices...................................................................................................................... |
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A-1 |
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ASUS contact information...................................................................................... |
A-6 |
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iii
Safety information
Electrical safety
•To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system.
•When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
•Before connecting or removing signal cables from the motherboard, ensure that all power cables are unplugged.
•Seek professional assistance before using an adapter or extension cord. These devices could interrupt the grounding circuit.
•Ensure that your power supply is set to the correct voltage in your area. If you are not sure about the voltage of the electrical outlet you are using, contact your local power company.
•If the power supply is broken, do not try to fix it by yourself. Contact a qualified service technician or your retailer.
Operation safety
•Before installing the motherboard and adding components, carefully read all the manuals that came with the package.
•Before using the product, ensure all cables are correctly connected and the power cables are not damaged. If you detect any damage, contact your dealer immediately.
•To avoid short circuits, keep paper clips, screws, and staples away from connectors, slots, sockets and circuitry.
•Avoid dust, humidity, and temperature extremes. Do not place the product in any area where it may be exposed to moisture.
•Place the product on a stable surface.
•If you encounter technical problems with the product, contact a qualified service technician or your retailer.
•Your motherboard should only be used in environments with ambient temperatures between 0°C and 40°C.
iv
About this guide
This user guide contains the information you need when installing and configuring the motherboard.
How this guide is organized
This guide contains the following parts:
•Chapter 1: Product introduction
This chapter describes the features of the motherboard and the new technology it supports. It includes descriptions of the switches, jumpers, and connectors on the motherboard.
•Chapter 2: BIOS and RAID support
This chapter tells how to boot into the BIOS, upgrade BIOS using the EZ Flash Utility and support on RAID.
Where to find more information
Refer to the following sources for additional information and for product and software updates.
1.ASUS website
The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information.
2.Optional documentation
Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. These documents are not part of the standard package.
Conventions used in this guide
To ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.
CAUTION: Information to prevent damage to the components and injuries to yourself when trying to complete a task.
IMPORTANT: Instructions that you MUST follow to complete a task.
NOTE: Tips and additional information to help you complete a task.
v
Package contents
Check your motherboard package for the following items.
Motherboard |
1 x PRIME B460M-K motherboard |
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Cables |
2 x SATA 6Gb/s cables |
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Miscellaneous |
1 x I/O Shield |
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1 x M.2 ANCHOR |
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Application DVD |
1 x Support DVD |
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Documentation |
1 x User manual |
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If any of the above items is damaged or missing, contact your retailer.
PRIME B460M-K specifications summary
CPU
Chipset
Memory
Intel® Socket LGA1200 for 10th Gen Intel® Core™, Pentium® Gold and Celeron® Processors*
Supports Intel® 14nm CPU
Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0**
*Refer to www.asus.com for CPU support list.
**Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types.
Intel® B460 Chipset
2 x DIMM, Max. 64GB, DDR4 2933/2800/2666/2400/2133 MHz Non-ECC, Un-buffered Memory*
Dual Channel Memory Architecture
Supports Intel® Extreme Memory Profile (XMP)
OptiMem
Graphics
Expansion Slots
Storage
*For 10th Gen Intel® processors, only Core™ i9/i7 CPUs support 2933/2800/2666/2400/2133 natively, others will run at the maximum transfer rate of DDR4 2666MHz.
*Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
1 x DVI-D
1 x D-Sub
*Graphics specifications may vary between CPU types.
Intel® 10th Gen Processors
1 x PCIe 3.0 x16 slot (supports x16 mode)
Intel® B460 Chipset
2 x PCIe 3.0 x1 slots
Total supports 1 x M.2 slot and 6 x SATA 6Gb/s ports Intel® B460 Chipset
M.2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)*
6 x SATA 6Gb/s ports
Intel® Rapid Storage Technology supports Raid 0,1,5,10 Intel® Optane™ Memory Ready
*When a device in SATA mode is installed on the M.2 socket, SATA6G_1 port cannot be used.
(continued on the next page)
vi
PRIME B460M-K specifications summary
Ethernet
USB
Audio
Back Panel I/O Ports
Internal I/O
Connectors
1 x Realtek RTL8111H 1Gb Ethernet
Rear USB (Total 6 ports)
4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A)
Front USB (Total 6 ports)
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports
Realtek ALC887 7.1-Channel High Definition Audio CODEC*
-Jack-detection, Multi-streaming, Front Panel Jack-retasking
-Supports up to 24-Bit/192kHz playback
Audio Features
-LED-illuminated audio trace path design
-Premium Japanese audio capacitors
-Audio Shielding
-Dedicated audio PCB layers
*A chassis with an HD audio module in the front panel is required to support 7.1-channel audio output.
4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A)
1 x D-Sub port
1 x DVI-D port
1 x Realtek RTL8111H 1Gb Ethernet port
3 x Audio jacks
1 x PS/2 Keyboard/Mouse combo port
Fan and cooling related
1 x 4-pin CPU Fan header
1 x 4-pin Chassis Fan header
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Storage related
1 x M.2 slot (Key M)
6 x SATA 6Gb/s ports
USB
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 1 x USB 2.0 header supports additional 2 USB 2.0 ports
Miscellaneous
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x S/PDIF Out header
1 x Speaker header
1 x 10-1 pin System Panel header
(continued on the next page)
vii
PRIME B460M-K specifications summary
Special Features
Software
Features
BIOS
Manageability
Operating System
Form Factor
ASUS 5X PROTECTION III
-ASUS DIGI+ VRM
-ASUS LANGuard
-ASUS Overvoltage Protection
-ASUS SafeSlot Core
-ASUS Stainless-Steel Back I/O
ASUS Q-Design
-ASUS Q-DIMM
-ASUS Q-Slot
ASUS Exclusive Software
AI Suite 3
-Performance And Power Saving Utility
TurboV EVO
EPU
Digi+ VRM
Fan Xpert
-EZ Update
AI Charger
ASUS CPU-Z
DAEMON Tools
Norton Anti-virus software (Free Trial for 60 days)
WinRAR
UEFI BIOS
ASUS EZ DIY
-ASUS CrashFree BIOS 3
-ASUS EZ Flash 3
-ASUS UEFI BIOS EZ Mode
128 Mb Flash ROM, UEFI AMI BIOS
WOL by PME, PXE
Windows® 10 - 64 bit
mATX Form Factor
8.9 inch x 8.3 inch (22.6 cm x 21.1cm)
Specifications are subject to change without notice.
viii
Connectors with shared bandwidth
KBMS_USB78
EATX12V
DVI |
VGA |
U32G1_56
LAN_U32G1_34 |
Realtek |
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8111H |
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AUDIO |
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2280 |
2260 |
2242 |
CHA_FAN
PCIEX16
CPU_FAN
DIGI +VRM
LGA1200
M.2(SOCKET3)
M.2(SOCKET3)
PCIE SATA IRST
X4 V V
DIMM B1* (64bit, 288-pin module) |
DIMM A1* (64bit,288-pin module) |
EATXPWR |
DDR4 |
DDR4 |
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U32G1 12 |
Super
I/O PCIEX1_1
COM_DEBUG
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ALC |
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PCIEX1_2 |
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887 |
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SPDIF_OUT
COM
USB910 USB1112
AAFP
BATTERY |
Intel® |
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ASM1480 |
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B460 |
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128Mb |
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BIOS |
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SATA6G_6 SATA6G_5 SATA6G_4 |
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SATA6G_3 SPEAKER |
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CLRTC 
SATA6G_2 SATA6G_1
F_PANEL
Configuration |
1 |
2 |
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A |
M.2 |
x4 |
SATA |
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SATA6G_1 |
V |
- |
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A
A
•When a device in SATA mode is installed on the M.2 socket, SATA6G_1 port cannot be used.
•M.2 shares bandwidth with SATA6G_1.
ix
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