Asus B15OM-D User manual

Motherboard
B150M-D

ii
E11057
First Edition
October 2015
Copyright © 2015 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, modied or altered, unless
such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the
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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
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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
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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
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archives, etc. to this email address).

iii
Contents
Safety information ...................................................................................... iv
About this guide ......................................................................................... iv
Package contents ....................................................................................... vi
B150M-D 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
Appendices
Notices.......................................................................................................A-1
ASUS contact information .......................................................................A-4

iv
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 x it by yourself. Contact a qualied 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 qualied service
technician or your retailer.
About this guide
This user guide contains the information you need when installing and conguring 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.

v
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 yers,
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 (+).

vi
B150M-D specifications summary
(continued on the next page)
Package contents
Check your motherboard package for the following items.
Motherboard ASUS B150M-D 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 User Guide
If any of the above items is damaged or missing, contact your retailer.
Specifications
CPU
LGA1151 socket for 6th Generation Intel®Core™ i7 / i5 / i3, Pentium®, and
Celeron®processors
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®B150 Express Chipset
Memory
2 x DIMM, maximum 32 GB, DDR4 2133 MHz, non-ECC, un-buffered memory*
Dual-channel memory architecture
Supports Intel® Extreme Memory Prole (XMP)
* Hyper DIMM support is subject to the physical characteristics of individual CPUs. Please
refer to Memory QVL (Qualified Vendors List) for details.
Expansion
slots
1 x PCI Express 3.0/2.0 x16 slot (at x16 mode)
2 x PCI Express 3.0/2.0 x1 slots
1 x PCI slot
Graphics
Integrated graphics processor - Intel®HD Graphics support
Multi-VGA output support: DVI-D, RGB ports
- Supports DVI-D with maximum resolution of 1920 x 1200 @ 60Hz
- Supports RGB with maximum resolution of 1920 x 1200 @ 60Hz
Storage
Intel®B150 Express Chipset
- 1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (both
SATA & PCIE mode)
- 6 x SATA 6.0 Gb/s ports (gray)
LAN Realtek®8111H Gigabit LAN supports LANGuard
USB
Intel®B150 Express Chipset - supports ASUS USB 3.0 Boost
- 6 x USB 3.0 / 2.0 ports (2 ports at mid-board; 4 ports at the rear panel, blue)
- 6 x USB 2.0 / 1.1 ports (4 ports at mid-board; 2 ports at the rear panel)

vii
B150M-D specifications summary
(continued on the next page)
Specifications
Audio
Realtek® ALC887 8-channel High Denition Audio CODEC
- LED-illuminated design:Brighten up your build with the gorgeous illuminated
audio trace path
- Audio Shielding: Ensures precision analog/digital separation and greatly reduced
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-made audio capacitors: Provide warm, natural and
immersive sound with exceptional clarity and delity
- Supports jack-detection, and front panel jack-retasking
ASUS unique
features
Proven Quality
ASUS 5X PROTECTION II
- ASUS LANGuard - Protects against LAN surges, lightning strikes and static-
electricity discharges
- ASUS Overvoltage Protection - World-class circuit-protecting power design
- ASUS DIGI+ VRM - 3+1+1 Phase digital power design
- ASUS Enhanced DRAM Overcurrent Protection
- ASUS Stainless Steel Back I/O - 3x more durable corrosion-resistant coating
Superb Performance
PC Cleaner
- Fast and easy way to get rid of unnecessary junk les
UEFI BIOS
- Most advanced options with fast response time
ASUS EPU
- EPU
USB 3.0 Boost
- featuring speedy USB 3.0 transmission
Gaming Scenario
Audio Features
- Audio that roars on the battleeld
Media Streamer
- Pipe music or movies from your PC to a smart TV
- Media Streamer app for portable smartphone/tablet, supporting iOS7 and
Android 4.0 system
ASUS Exclusive Features
- ASUS Disk Unlocker featuring 3TB+ HDD support
- ASUS AI Charger
- ASUS AI Suite 3
- ASUS Anti Surge

viii
B150M-D specifications summary
(continued on the next page)
Specifications
ASUS
unique
features
EZ DIY
Push Notice
- Monitor your PC status with smart devices in real time
UEFI BIOS EZ Mode
- Featuring friendly graphics user interface
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
Q-Design
- ASUS Q-Slot
- ASUS Q-DIMM
ASUS quiet
thermal
solution
Quiet Thermal Design
- ASUS Fan Xpert
- Stylish Fanless Design: PCH heatsink solution
Rear panel
I/O ports
1 x Combo PS/2 port
1 x LPT port
1 x DVI-D port
1 x RGB port
1 x LAN (RJ-45) port
4 x USB 3.0/2.0 ports
2 x USB 2.0/1.1 ports
3 x Audio jacks support 8-channel audio output*
* Use a chassis with HD audio module in the front panel to support a 8-channel audio
output.
Internal
connectors
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
1 x M.2 Socket 3 (for M Key, type 2242/2260/2280 devices)
6 x SATA 6.0 Gb/s connectors (gray)
1 x CPU Fan connector (PWM mode only)
1 x Chassis Fan connector (4-pin) for both 3-pin (DC mode) and 4-pin (PWM mode)
coolers control
1 x Front panel audio connector (AAFP)
1 x Speaker connector
1 x S/PDIF out header
1 x COM header
1 x 24-pin EATX power connector
1 x 4-pin ATX 12V power connector
1 x System panel connector
1 x Clear CMOS header

ix
B150M-D specifications summary
Specifications
BIOS features
128 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI 3.0, WfM2.0, SM BIOS 3.0,
ACPI 5.0, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, F6
Qfan Control, F3 My Favorites, Quick Note, Last Modied Log, F12 PrintScreen
function, and ASUS DRAM SPD (Serial Presence Detect) memory information
Manageability WfM 2.0, DMI 3.0, WOL by PME, WOR by PME PXE
Support DVD
Drivers
ASUS utilities
EZ Update
Anti-virus software (OEM version)
OS support
Windows®10 (64-bit),
Windows®8.1 (64-bit),
Windows®7 (32-bit / 64-bit)
* Please refer to ASUS website and download “Window®7 installation guide” and
“ASUS EZ installer” to install Windows®7.
Form factor uATX form factor: 9.6 in. x 7.4 in. (24.4 cm x 18.8 cm)
Specications are subject to change without notice.

ASUS B150M-D
1-1
Product introduction
1
Motherboard overview
• Unplugthepowercordfromthewallsocketbeforetouchinganycomponent.
• Beforehandlingcomponents,useagroundedwriststraportouchasafelygrounded
objectorametalobject,suchasthepowersupplycase,toavoiddamagingthemdue
tostaticelectricity.
• Beforeyouinstallorremoveanycomponent,ensurethattheATXpowersupplyis
switchedofforthepowercordisdetachedfromthepowersupply.Failuretodoso
maycauseseveredamagetothemotherboard,peripherals,orcomponents.
• Unplugthepowercordbeforeinstallingorremovingthemotherboard.Failuretodoso
cancauseyouphysicalinjuryanddamagetomotherboardcomponents.
Place this
side towards
the rear of the
chassis
B150M-D
PCIEX16_1
LANGuard
PCI1
PCIEX1_1
PCIEX1_2
SPEAKER
CLRTC
SPDIF_OUT
USB1112
F_PANEL
USB910
USB3_12
AAFP COM
ALC
887-VD2
EATXPWR
CPU_FAN
CHA_FAN
BATTERY
Super
I/O
ASM
1083
RTL
8111H
DIGI
+VRM
LGA1151
AUDIO
LAN_USB3_34
USB3_56
KBMS_USB78
LPT
VGA
DVI
Intel®
B150
DDR4 DIMM_A1 (64bit, 288-pin module)
M.2(SOCKET3)
DDR4 DIMM_A2 (64bit, 288-pin module)
SATA6G_2SATA6G_3 SATA6G_1
SATA6G_4
SATA6G_6 SATA6G_5
128Mb
BIOS
24.4cm(9.6in)
18.8cm(7.4in)
ATX12V
21 43
1
8 101112
8
9
7
6
5
1314
17
16
15
ScantheQRcodetogetthedetailedpindenitions.

1-2
Chapter 1: Product introduction
ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
CorrectlyorienttheATXpowersupplyplugsintotheseconnectorsandpushdown
rmlyuntiltheconnectorscompletelyt.
• Forafullyconguredsystem,werecommendthatyouuseapowersupplyunit
(PSU)thatcomplieswithATX12VSpecication2.0(orlaterversion)andprovides
aminimumpowerof350W.
• Ifyouareuncertainabouttheminimumpowersupplyrequirementforyoursystem,
refertotheRecommendedPowerSupplyWattageCalculatorathttp://support.
asus.com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-usfor
details.
CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN)
Connectthefancablestothefanconnectorsonthemotherboard,ensuringthat
theblackwireofeachcablematchesthegroundpinoftheconnector.
Donotforgettoconnectthefancablestothefanconnectors.Insufcientairowinside
thesystemmaydamagethemotherboardcomponents.Thesearenotjumpers!Donot
placejumpercapsonthefanconnectors!TheCPU_FANconnectorsupportsaCPUfan
ofmaximum1A(12W)fanpower.
Intel®LGA1151 CPU socket
InstallIntel®LGA1151CPUintothissurfacemountLGA1151socket,whichis
designedfor6thGenerationIntel®Core™i7/i5/i3,Pentium®,andCeleron®
processors.
Formoredetails,refertoCentral Processing Unit (CPU).
DDR4 DIMM slots
Install2GB,4GB,8GB,and16GBunbufferednon-ECCDDR4DIMMsintothese
DIMMsockets.
Formoredetails,refertoSystem memory.
USB 3.0 connector (20-1 pin USB3_12)
ConnectaUSB3.0moduletothisconnectorforadditionalUSB3.0frontorrear
panelports.ThisconnectorcomplieswithUSB3.0specicationsandprovides
fasterdatatransferspeedsofupto5Gbps,fasterchargingtimeforUSB-
chargeabledevices,optimizedpowerefciency,andbackwardcompatibilitywith
USB2.0.

ASUS B150M-D
1-3
M.2 socket 3
ThissocketallowsyoutoinstallanM.2(NGFF)SSDmodule.
ThissocketsupportsMKeyand2242/2260/2280storage
devices.
Clear RTC RAM (2-pin CLRTC)
ThisheaderallowsyoutocleartheCMOSRTCRAMdataof
thesystemsetupinformationsuchasdate,time,andsystem
passwords.
To erase the RTC RAM:
1. TurnOFFthecomputerandunplugthepowercord.
2. Useametalobjectsuchasascrewdrivertoshortthe
twopins.
3. PlugthepowercordandturnONthecomputer.
4. Holddownthe<Del>keyduringthebootprocessand
enterBIOSsetuptore-enterdata.
Ifthestepsabovedonothelp,removetheonboardbatteryandshortthetwopins
againtocleartheCMOSRTCRAMdata.AfterclearingtheCMOS,reinstallthe
battery.
Intel®B150 Serial ATA 6.0Gb/s connectors (7-pin SATA6G_1~6)
TheseconnectorsconnecttoSerialATA6.0Gb/sharddiskdrivesviaSerialATA
6.0Gb/ssignalcables.
Whenusinghot-plugandNCQ,settheSATA Mode SelectionitemintheBIOSto
[AHCI].
Speaker connector (4-pin SPEAKER)
This4-pinconnectorisforthechassis-mountedsystemwarningspeaker.The
speakerallowsyoutohearsystembeepsandwarnings
System panel connector (10-1 pin PANEL)
Thisconnectorsupportsseveralchassis-mountedfunctions
USB 2.0 connectors (10-1 pin USB910, USB1112)
ConnecttheUSBmodulecabletoanyoftheseconnectors,theninstallthe
moduletoaslotopeningatthebackofthesystemchassis.TheseUSB
connectorscomplywithUSB2.0specicationsandsupportsupto480Mbps
connectionspeed.
CLRTC
+3V_BAT GND
PIN 1
M.2(SOCKET3)

1-4
Chapter 1: Product introduction
Digital audio connector (4-1 pin SPDIF_OUT)
ConnecttheS/PDIFOutmodulecabletothisconnector,then
installthemoduletoaslotopeningatthebackofthesystem
chassis.
SPDIF_OUT
+5V SPDIFOUT GND
PIN 1
Serial port connector (10-1 pin COM)
Connecttheserialportmodulecabletothisconnector,theninstallthemoduletoa
slotopeningatthebackofthesystemchassis.
Front panel audio connector (10-1 pin AAFP)
Thisconnectorisforachassis-mountedfrontpanelaudioI/Omodulethatsupports
eitherHDAudioorlegacyAC`97audiostandard.Connectoneendofthefront
panelaudioI/Omodulecabletothisconnector.
• Werecommendthatyouconnectahigh-denitionfrontpanelaudiomoduletothis
connectortoavailofthemotherboard’shigh-denitionaudiocapability.
• Ifyouwanttoconnectahigh-denitionfrontpanelaudiomoduletothisconnector,
settheFrontPanelTypeitemintheBIOSsetupto[HDAudio].Ifyouwantto
connectanAC’97frontpanelaudiomoduletothisconnector,settheitemto
[AC97].Bydefault,thisconnectorissetto[HDAudio].
PCI slot
ThePCIslotsupportscardssuchasaLANcard,SCSIcard,USBcard,andother
cardsthatcomplywithPCIspecications
PCI Express 3.0/2.0 x1 slots
ThismotherboardhastwoPCIExpress3.0/2.0x1slotsthatsupportPCIExpress
x1networkcards,SCSIcards,andothercardsthatcomplywiththePCIExpress
specications
PCI Express 3.0/2.0 x16 slot
ThisPCIExpress3.0/2.0x16slotsupportsPCIExpress3.0/2.0x16graphiccards
complyingwiththePCIExpressspecications

ASUS B150M-D
1-5
WhenusingPCIcardsonsharedslots,ensurethatthedriverssupport“ShareIRQ”orthat
thecardsdonotneedIRQassignments.Otherwise,conictswillarisebetweenthetwoPCI
groups,makingthesystemunstableandthecardinoperable.
IRQ assignments for this motherboard
A B C D E F G H
PCIEx16_1 shared –––––––
PCIEx1_1 shared –––––––
PCIEx1_2 – – shared –––––
PCI1 – – shared –––––
Realtek8111HLAN
Controller –––shared – – – –
USB3.0Controller shared –––––––
SATAController shared –––––––
HDAudioController shared –––––––

1-6
Chapter 1: Product introduction
1. PS/2 combo port.ThisportisforaPS/2mouseorkeyboard.
2. LPT connector (26-1 pin LPT). Connectaparrallelportdevice
suchasaprintertothisLPT(LinePrintingTerminal)connector
3. LAN (RJ-45) port.ThisportallowsGigabitconnectiontoaLocal
AreaNetwork(LAN)throughanetworkhub.
LAN port LED indications
Rear panel connectors
4 53
67
2
9
1
10 7
8
4. Line In port (light blue).Thisportconnectstothetape,CD,DVDplayer,orother
audiosources.
5. Line Out port (lime).Thisportconnectstoaheadphoneoraspeaker.Inthe4.1,5.1
and7.1-channelcongurations,thefunctionofthisportbecomesFrontSpeakerOut.
6. Microphone port (pink).Thisportconnectstoamicrophone.
Refertotheaudiocongurationtableforthefunctionoftheaudioportsin2.1,4.1,5.1,or
7.1-channelconguration.
Activity/Link LED Speed LED
Status Description Status Description
Off Nolink OFF 10Mbpsconnection
Orange Linked ORANGE 100Mbpsconnection
Orange(Blinking) Dataactivity GREEN 1Gbpsconnection
Orange(Blinking
thensteady)
Readytowakeup
fromS5mode
_ _
LAN port
Speed
LED
Activity Link
LED

ASUS B150M-D
1-7
Audio 2.1, 4.1, 5.1, or 7.1-channel configuration
Port Headset
2.1-channel 4.1-channel 5.1-channel 7.1-channel
LightBlue(Rearpanel) LineIn RearSpeakerOut RearSpeakerOut RearSpeakerOut
Lime(Rearpanel) LineOut FrontSpeakerOut FrontSpeakerOut FrontSpeakerOut
Pink(Rearpanel) MicIn MicIn Bass/Center Bass/Center
Lime(Frontpanel) ---SideSpeakerOut
To configure a 7.1-channel audio output:
 UseachassiswithHDaudiomoduleinthefrontpaneltosupporta7.1-channelaudio
output.
7. USB 3.0 ports.These9-pinUniversalSerialBus(USB)portsareforUSB3.0/2.0
devices.
• USB3.0devicescanonlybeusedfordatastorage.
• WestronglyrecommendthatyouconnectUSB3.0devicestoUSB3.0portsforfaster
andbetterperformancefromyourUSB3.0devices.
• DuetothedesignoftheIntel®100serieschipset,allUSBdevicesconnectedtothe
USB2.0andUSB3.0portsarecontrolledbythexHCIcontroller.SomelegacyUSB
devicesmustupdatetheirrmwareforbettercompatibility.
8. DVI-D port.ThisportisforanyDVI-Dcompatibledevice.
DVI-DcannotbeconvertedtooutputfromRGBSignaltoCRTandisnotcompatiblewith
DVI-I.
9. Video Graphics Adapter (VGA) port.This15-pinportisforaVGAmonitororother
VGA-compatibledevices.
10.USB 2.0 ports.These4-pinUniversalSerialBus(USB)portsareforUSB2.0/1.1
devices.

1-8
Chapter 1: Product introduction
Central Processing Unit (CPU)
ThismotherboardcomeswithasurfacemountLGA1151socket
designedfor6thGenerationIntel®Core™i7/i5/i3,Pentium®,and
Celeron®processors.
• EnsurethatyouinstallthecorrectCPUdesignedfortheLGA1151socketonly.DO
NOTinstallaCPUdesignedforLGA1150,LGA1155andLGA1156socketsonthe
LGA1151socket.
• Uponpurchaseofthemotherboard,ensurethatthePnPcapisonthesocketand
thesocketcontactsarenotbent.ContactyourretailerimmediatelyifthePnPcap
ismissing,orifyouseeanydamagetothePnPcap/socketcontacts/motherboard
components.
• Keepthecapafterinstallingthemotherboard.ASUSwillprocessReturnMerchandise
Authorization(RMA)requestsonlyifthemotherboardcomeswiththecaponthe
LGA1151socket.
• Theproductwarrantydoesnotcoverdamagetothesocketcontactsresultingfrom
incorrectCPUinstallation/removal,ormisplacement/loss/incorrectremovalofthePnP
cap.
Installing the CPU
1
4
UnplugallpowercablesbeforeinstallingtheCPU.
ApplytheThermalInterfaceMaterialtotheCPUheatsinkandCPUbeforeyouinstallthe
heatsinkandfanifnecessary.
2
3
A
B
A
B
C
D
5
4
4
5

ASUS B150M-D
1-9
System memory
Overview
ThismotherboardcomeswithtwoDoubleDataRate4(DDR4)DualInlineMemoryModule
(DIMM)sockets.ThegureillustratesthelocationoftheDDR4DIMMsockets:
Channel Sockets
ChannelA DIMM_A1
ChannelB DIMM_B1
• YoumayinstallvaryingmemorysizesinChannelAandChannelB.Thesystem
mapsthetotalsizeofthelower-sizedchannelforthedual-channelconguration.Any
excessmemoryfromthehigher-sizedchannelisthenmappedforsingle-channel
operation.
• AlwaysinstalltheDIMMSwiththesameCASLatency.Foranoptimumcompatibility,
werecommendthatyouinstallmemorymodulesofthesameversionordatacode
(D/C)fromthesamevendor.Checkwiththevendortogetthecorrectmemory
modules.
• AccordingtoIntel®CPUspec,DIMMvoltagebelow1.35Visrecommendedtoprotect
theCPU.
• Duetothememoryaddresslimitationon32-bitWindows®OS,whenyouinstall4GB
ormorememoryonthemotherboard,theactualusablememoryfortheOScanbe
about3GBorless.Foreffectiveuseofmemory,werecommendthatyoudoanyofthe
following:
- Useamaximumof3GBsystemmemoryifyouareusinga32-bitWindows®OS.
 - Installa64-bitWindows®OSifyouwanttoinstall4GBormoreonthe
motherboard.
 - Formoredetails,refertotheMicrosoft®supportsiteathttp://support.microsoft.
com/kb/929605/en-us.
VisittheASUSwebsiteatwww.asus.comforthelatestQVL.
Installing a DIMM
1 2
To remove a DIMM
B
A
B
A
A
DIMM_A1
DIMM_B1

BIOS information
2
• ScantheQRcodetoviewtheBIOSupdateguide.
• BeforeusingtheASUSCrashFreeBIOS3utility,renamethe
BIOSleintheremovabledeviceintoB150MD.CAP.
BIOS setup program
UsetheBIOSSetupprogramtoupdatetheBIOSorcongureitsparameters.TheBIOS
screensincludenavigationkeysandbriefonlinehelptoguideyouinusingtheBIOSSetup
program.
Entering BIOS Setup at startup
To enter BIOS Setup at startup:
Press<Delete>or<F2>duringthePower-OnSelfTest(POST).Ifyoudonotpress<Delete>
or<F2>,POSTcontinueswithitsroutines.
Entering BIOS Setup after POST
To enter BIOS Setup after POST:
• Press<Ctrl>+<Alt>+<Del>simultaneously.
• Presstheresetbuttononthesystemchassis.
• Pressthepowerbuttontoturnthesystemoffthenbackon.Dothisoptiononlyifyou
failedtoenterBIOSSetupusingthersttwooptions.
Usingthepowerbutton,resetbutton,orthe<Ctrl>+<Alt>+<Del>keystoforceresetfroma
runningoperatingsystemcancausedamagetoyourdataorsystem.Werecommendyou
alwaysshutdownthesystemproperlyfromtheoperatingsystem.
• TheBIOSsetupscreensshowninthissectionareforreferencepurposesonly,and
maynotexactlymatchwhatyouseeonyourscreen.
• VisittheASUSwebsiteatwww.asus.comtodownloadthelatestBIOSleforthis
motherboard.
• IfthesystembecomesunstableafterchanginganyBIOSsetting,loadthedefault
settingstoensuresystemcompatibilityandstability.SelecttheLoad Optimized
DefaultsitemundertheExitmenuorpresshotkeyF5.
• IfthesystemfailstobootafterchanginganyBIOSsetting,trytocleartheCMOSand
resetthemotherboardtothedefaultvalue.SeesectionMotherboard overviewfor
informationonhowtoerasetheRTCRAM.
BIOS menu screen
TheBIOSsetupprogramcanbeusedundertwomodes:EZ ModeandAdvanced Mode.
Press<F7>tochangebetweenthetwomodes.
ASUS B150M-D 2-1

EZ Mode
Bydefault,theEZModescreenappearswhenyouentertheBIOSsetupprogram.TheEZ
Modeprovidesyouanoverviewofthebasicsysteminformation,andallowsyoutoselectthe
displaylanguage,systemperformancemode,fanproleandbootdevicepriority.Toaccess
theAdvancedMode,clickAdvanced Mode(F7)orpress<F7>.
ThedefaultscreenforenteringtheBIOSsetupprogramcanbechanged.Refertothe
Setup Modeiteminsection2.8 Boot menufordetails.
Thebootdeviceoptionsvarydependingonthedevicesyouinstalledtothesystem.
Saves the changes
and resets the
system
Selects the display
language of the BIOS
setup program
Displays the CPU/motherboard
temperature, CPU voltage output,
CPU/chassis fan speed, and SATA
information
Displays the system properties of
the selected mode. Click <Enter> to
switch EZ System Tuning modes
Displays the
Advanced mode
menus
Selects the boot
device priority
Loads optimized
default settings
Shows the
bootable
devices Search on FAQs
Displays the CPU Fan’s speed.
Click the button to manually
tune the fans
2-2 Chapter 2: Getting started