Asus B250M-A User Manual

PRIME B250M-A

Motherboard

E11969

First Edition

August 2016

Copyright © 2016 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.

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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 http://support.asus.com/download

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.

15 Li Te Rd.,

Beitou, Taipei 112

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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.

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Contents

Safety information.......................................................................................	iv
About this guide..........................................................................................	iv
Package contents........................................................................................	vi
PRIME B250M-A specifications summary.................................................	vi

Chapter 1	Product introduction
Motherboard overview..............................................................................		1-1
Central Processing Unit (CPU).................................................................		1-8
System memory.........................................................................................		1-9

Chapter 2	BIOS information
BIOS setup program.................................................................................		2-1
EZ Mode.....................................................................................................		2-2
Advanced Mode.........................................................................................		2-3
Exit menu...................................................................................................		2-4
Appendix
Notices.......................................................................................................		A-1
ASUS contact information........................................................................		A-5

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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.

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 information

This chapter discusses changing system settings through the BIOS Setup menus. Detailed descriptions for the BIOS parameters are also provided.

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Where to find more information

Refer to the following sources for additional information and for product and software updates.

1.ASUS websites

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.

DANGER/WARNING: Information to prevent injury to yourself when completing a task.

CAUTION: Information to prevent damage to the components when completing a task

IMPORTANT: Instructions that you MUST follow to complete a task.

NOTE: Tips and additional information to help you complete a task.

Typography

Bold text	Indicates a menu or an item to select.
Italics	Used to emphasize a word or a phrase.
<Key>	Keys enclosed in the less-than and greater-than sign
	means that you must press the enclosed key.
	Example: <Enter> means that you must press the Enter or
	Return key.
<Key1> + <Key2> + <Key3>	If you must press two or more keys simultaneously, the key
	names are linked with a plus sign (+).

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Package contents

Check your motherboard package for the following items.

	Motherboard	ASUS PRIME B250M-A motherboard
	Cables	2 x Serial ATA 6.0 Gb/s cables
	Accessories	1 x I/O Shield
		1 x M.2 screw package
	Application DVD	1 x Support DVD
	Documentation	1 x User Manual

If any of the above items is damaged or missing, contact your retailer.

PRIME B250M-A specifications summary

		LGA1151 socket for 7th / 6th Generation Intel® Core™ i7 / i5 / i3, Pentium®,
		and Celeron® processors
	CPU	Supports Intel® 14nm CPU
		Supports Intel® Turbo Boost Technology 2.0*
		* The Intel® Turbo Boost Technology 2.0 support depends on the CPU types.
		** Refer to www.asus.com for Intel® CPU support list.
	Chipset	Intel® B250 Chipset
		4x DIMM, max 64 GB, DDR4 2400 / 2133 MHz, non-ECC, un-buffered memory*
		Dual-channel memory architecture
	Memory	Supports Intel® Extreme Memory Profile (XMP)
		* DDR4 2400MHz memory frequency is only supported by 7th Generation Intel® processors.
		** Hyper DIMM support is subject to the physical characteristics of individual CPUs. Please
		refer to Memory QVL (Qualified Vendors List) for details.
	Expansion	1 x PCI Express 3.0/2.0 x16 slot (@ x16 mode)
	slots	2 x PCI Express 3.0/2.0 x1 slots
		Integrated graphics processor - Intel® HD Graphics support
		Multi-VGA output support: HDMI, DVI-D, D-sub ports
		- Supports HDMI 1.4b with maximum resolution of 4096 x 2160 @24Hz / 2560 x
	Graphics	1600 @60Hz
		- Supports DVI-D with maximum resolution of 1920 x 1200 @60Hz
		- Supports D-sub with maximum resolution of 1920 x 1200 @60Hz
		Maximum shared memory of 1024MB
		Intel® B250 Chipset
		- 1 x M.2_1 Socket 3 with M key, type 2242/2260/2280 storage devices support (both
		SATA & PCIE 3.0 x 4 mode)*
		- 1 x M.2_2 Socket 3 with M key, type 2242/2260/2280 storage devices support (PCIE
		3.0 x 4 mode)
	Storage	- Ready for Intel® Optane Memory**
		- 6 x SATA 6.0 Gb/s ports (gray)
		- Supports Intel® Smart Response Technology***
		* When M.2 Socket 3 is set to SATA mode, SATA port 1 is disabled.
		** Intel® Optane Technology is only supported when using 7th Generation Intel® processors.
		Before using Intel® Optane memory modules, ensure that you have updated your
		motherboard drivers and BIOS to the latest version from ASUS support website.
		***These functions will work depending on the CPU installed.
		(continued on the next page)

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PRIME B250M-A specifications summary

LAN	Realtek® 8111H Gigabit LAN supports LANGuard
	Realtek® ALC887 8-channel High Definition Audio CODEC
	Gaming Audio:

-LED-illuminated design: Brighten up your build with the gorgeous illuminated audio trace path

-Audio Shielding: Ensures precision analog/digital separation and greatly reduces

Audio	multi-lateral interference
- Dedicated audio PCB layers: Separate layers for left and right channels to guard
	the quality of the sensitive audio signals
-	Premium Japanese audio capacitors: Provide warm, natural and immersive
	sound with exceptional clarity and fidelity
-	Supports Jack-Detection and Front Panel Jack-Retasking
Intel® B250 Chipset
USB	- 1 x 5Gb/s USB Type C port supports 3A power output (at back panel)
	- 4 x USB 3.0/2.0 ports (2 ports at mid-board; 2 ports at back panel, blue, Type
	A)
	- 6 x USB 2.0/1.1 ports (4 ports at mid-board; 2 ports at back panel)
ASUS 5X PROTECTION III
	- ASUS SafeSlot Core - Strengthens your slot and DIMM pins
	- ASUS LANGuard - Protects against LAN surges, lightning strikes
	staticelectricity discharges!
	- ASUS Overvoltage Protection - World-class circuit-protecting power
	design
	- ASUS DIGI+ VRM - 5 Phase digital power design
	- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!
Superb Performance
	M.2 Onboard
ASUS unique	- The latest transfer technologies with up to 32Gb/s data transfer speeds
features	ASUS EPU
	- EPU
	UEFI BIOS
	- Most advanced options with fast response time
Gaming Scenario
	Audio Features
	- Audio that roars on the battlefield

ASUS Exclusive Features

-ASUS AI Charger

-ASUS AI Suite 3

(continued on the next page)

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PRIME B250M-A specifications summary

	EZ DIY
	UEFI BIOS EZ Mode
	- Featuring friendly graphics user interface
ASUS unique	-	ASUS CrashFree BIOS 3
features	-	ASUS EZ Flash 3

Q-Design

			-	ASUS Q-DIMM
			-	ASUS Q-Slot
	ASUS Quiet	Quiet Thermal Design
	Thermal	-	ASUS Fan Xpert 2+
	Solution	-	Stylish Fanless Design: PCH Heatsink
		1 x PS/2 keyboard port (purple)
		1 x PS/2 mouse port (green)
		1 x DVI-D port
		1 x RGB port
		1 x HDMI port
	Rear panel I/O	1 x 5Gb/s USB Type C port
	ports	2 x USB 2.0/1.1 ports
		2 x USB 3.0/2.0 ports (blue, Type A)
		1 x LAN (RJ-45) port
		3 x Audio jacks support 8-channel audio output*
		* Use a chassis with HD audio module in the front panel to support an 8-channel
			audio output.
		1 x USB 3.0 / 2.0 connector supports additional 2 USB 3.0/ 2.0 ports (19-pin)
		2 x USB 2.0 / 1.1 connectors support additional 4 USB 2.0/ 1.1 ports
		6 x SATA 6.0 Gb/s connectors (gray)
		2 x M.2 Socket 3 (for M Key, type 2242/2260/2280 devices)
		1 x CPU fan connector (PWM mode only)
		2 x Chassis Fan connectors (4-pin) for both 3-pin (DC mode) and 4-pin (PWM
			mode) coolers control
		1 x Front panel audio connector (AAFP)
	Internal	1 x Speaker connector
	connectors	1 x COM connector
		1 x Chassis Intrusion header
		1 x System panel connector
		1 x Clear CMOS header
		1 x S/PDIF Out header
		1 x TPM connector
		1 x LPT connector
		1 x 24-pin EATX power connector
		1 x 4-pin ATX 12V power connector
		128Mb Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, WfM2.0, SM BIOS 3.0,
	BIOS features	ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F6
		Qfan Control, F3 My Favorites, Last Modified log, F12 PrintScreen, and ASUS
		DRAM SPD (Serial Presence Detect) memory information
				(continued on the next page)

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PRIME B250M-A specifications summary

	Manageability	WfM 2.0, DMI 3.0, WOL/WOR by PME, PXE
		Drivers
	Support DVD	ASUS utilities
		EZ Update
		Anti-virus software (OEM version)
		Windows® 10 ( 64-bit)
	OS support	Windows® 8.1 (64-bit)*
		Windows® 7 (64-bit / 32-bit)*
		* Windows® 8.1 64-bit and Windows® 7 32/64-bit are only supported when using 6th
		Generation Intel® Processors.
	Form factor	mATX form factor: 9.6 in. x 8.1 in. (24.4 cm x 20.6 cm)

Specifications are subject to change without notice.

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