Asus H81T Specifications

MotherboardH81T R2.0

1-2Chapter 1: Product introduction1.2.2 Screw holesPlace four screws into the holes indicated by circles to secure the motherboard to the chassis.Do

ASUS H81T R2.01-31.2.4 Layout contentsConnectors/Jumpers/Slots/LED Page1. ATXpowerconnector(2-pinATX19V)1-152. CPUandchassisfanconnectors(4-

1-4Chapter 1: Product introduction1.3.1 Installing the CPU123ABUnplugallpowercablesbeforeinstallingtheCPU.• Uponpurchaseofthemotherboard,

ASUS H81T R2.01-5ABC541.3.2 CPU heatsink and fan assembly installationApplytheThermalInterfaceMaterialtotheCPUheatsinkandCPUbefore you ins

1-6Chapter 1: Product introduction3 4ABBATo uninstall the CPU heatsink and fan assembly21To install the CPU heatsink and fan assembly2BAAB1

ASUS H81T R2.01-71.4 System memory1.4.1 OverviewThismotherboardcomeswithtwoDoubleDataRate3(DDR3)SmallOutlineDualInlineMemoryModule(SO

1-8Chapter 1: Product introduction• ThedefaultmemoryoperationfrequencyisdependentonitsSerialPresenceDetect(SPD),whichisthestandardwa

ASUS H81T R2.01-91.5 Expansion slotsInthefuture,youmayneedtoinstallexpansioncards.Thefollowingsub-sectionsdescribethe slots and the exp

1-10Chapter 1: Product introduction1.6 Jumpers Clear RTC RAM (2-pin CLRTC)ThisheaderallowsyoutocleartheRealTimeClock(RTC)RAMinCMOS.You

ASUS H81T R2.01-113. Chassis intrusion connector (4-1 pin CHASSIS)This connector is for a chassis-mounted intrusion detection sensor or switch.Connec

iiE9447First EditionJune 2014Copyright © 2014 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and software de

1-12Chapter 1: Product introduction1.7 Connectors1.7.1 Rear panel connectors1. DC power connector.Insertthepoweradapterintothisport.2. USB 3

ASUS H81T R2.01-131.7.2 Internal connectors1. Serial port connector (10-1 pin COM)Thisconnectorisforaserial(COM)port.Connecttheserialport

1-14Chapter 1: Product introductionWhenusinghot-plugandNCQ,setthetypeoftheSATAconnectorsintheBIOSto[AHCI]. Seesection2.6.4 SATA Conf

ASUS H81T R2.01-157. ATX power connector (2-pin ATX19V)ThisconnectorisforanATXpowersupply.Theplugfromthepowersupplyisdesignedtotth

1-16Chapter 1: Product introductionNeverconnecta1394cabletotheUSBconnectors.Doingsowilldamagethemotherboard!TheUSB2.0moduleispurcha

ASUS H81T R2.01-1710. System panel connector (10-1 pin PANEL)Thisconnectorsupportsseveralchassis-mountedfunctions.• SystempowerLED(2-pinPWR

1-18Chapter 1: Product introduction11. RTC Battery header (2-pin BATT_CON)ThisconnectorisforthelithiumCMOSbattery.12. LVDS connector (40-pin

ASUS H81T R2.01-1915. Internal stereo speaker header (2-pin SPK_OUT)Theinternalmonospeakerheaderallowsconnectiontoaninternal,low-powerspea

1-20Chapter 1: Product introduction1.9 Software support1.9.1 Installing an operating systemThismotherboardsupportsWindows®7(32/64bit),Windows®

ASUS H81T R2.02-1BIOS information22.1 Managing and updating your BIOSSave a copy of the original motherboard BIOS le to a USB ash disk in case you

iiiContentsSafety information ... ivAbout this guide ...

2-2Chapter 2: Getting started2.1.2 ASUS EZ Flash 2The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS‑based utility.Before

ASUS H81T R2.02‑3Recovering the BIOSTo recover the BIOS:1. Turn on the system.2. Insert the support DVD to the optical drive or the USB ash drive t

2-4Chapter 2: Getting startedBooting the system to a DOS environment1. Insert the DOS‑bootable USB ash drive with the latest BIOS le and BIOS Updat

ASUS H81T R2.02-53. Press <Tab> to switch between screen elds and use the <Up/Down/Home/End> keys to select the BIOS le and press <E

2-6Chapter 2: Getting started• The BIOS setup screens shown in this section are for reference purposes only, and may not exactly match what you see o

ASUS H81T R2.02‑7• The boot device options vary depending on the devices you installed to the system.• The Boot Menu (F8) button is available only w

2‑8Chapter 2: Getting startedNavigation keysGeneral helpMenu barSubmenu itemConfiguration fieldsMenu itemsBack buttonPop-up windowScroll barMenu items

ASUS H81T R2.02-9Pop-up windowSelect a menu item and press <Enter> to display a pop‑up window with the conguration options for that item.Scroll

2‑10Chapter 2: Getting startedAdding items to My FavoritesTo add frequently‑used BIOS items to My Favorites:1. Use the arrow keys to select an item t

ASUS H81T R2.02-11• If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password. See section 1.6 Ju

ivSafety informationElectrical safety• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating th

2-12Chapter 2: Getting startedTo clear the user password, follow the same steps as in changing a user password, but press <Enter> when prompted

ASUS H81T R2.02‑13Target CPU Graphics Speed : xxxxMHzDisplays the target iGPU speed.2.5.1 CPU Core Ratio [Auto]Allows you to set the CPU core ratio a

2-14Chapter 2: Getting started2.5.6 Max. CPU Graphics Ratio [Auto]Allows you to set the CPU Graphics maximum ratio. The maximum ratio is 60x. Use <

ASUS H81T R2.02-15DRAM READ to PRE Time [Auto]Conguration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock]DRAM FOUR ACT WIN Time [Auto]Conguration o

2-16Chapter 2: Getting startedDec_WRD [Auto]Conguration options: [Auto] [0] [1]tRDWR [Auto]Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clo

ASUS H81T R2.02‑17Turbo Mode [Enabled]Allows you to enable your core processor’s speed to run faster than the marked frequency in a specic condition.

2‑18Chapter 2: Getting startedPower Current Slope [Auto]Allows you to set the power current slope. Conguration options: [Auto] [Level 4] [Level 3] [L

ASUS H81T R2.02-192.5.12 CPU Cache Voltage [Auto]This item allows you to set the CPU Cache voltage. Increase the cache voltage when increasing the ri

2‑20Chapter 2: Getting started2.5.14 CPU System Agent Voltage Offset Mode Sign [+]This item allows you to set the CPU system agent voltage offset mod

ASUS H81T R2.02-212.5.22 DRAM DATA REF Voltage on CHB [Auto]Allows you to set the DRAM DATA REF Voltage on CHB. The values range from 0.3950V to 0.63

vWhere to find more informationRefer to the following sources for additional information and for product and software updates.1. ASUS websitesThe ASU

2-22Chapter 2: Getting startedActive Processor Cores [All]Allows you to choose the number of CPU cores to activate in each processor package.Congurat

ASUS H81T R2.02‑23CPU C states [Auto][Auto] Automatic conguration.[Enabled] Enables the CPU C states.[Disabled] Disables the CPU C states.The foll

2-24Chapter 2: Getting startedIntel® Rapid Start TechnologyIntel® Rapid Start Technology [Disabled]Allows you to enable or disable Intel® Rapid Start

ASUS H81T R2.02-25Aggressive LPM Support [Auto]This item appears only when you set SATA Mode Selection to [AHCI] and allows you to enable or disable P

2-26Chapter 2: Getting startedLVDS ConfigurationAll-in-One Chassis [None]Select All‑in‑One Chassis if applicable.EDID Data Source [Pre-Defined]Congur

ASUS H81T R2.02‑27LVDS Spread Spectrum Control [+/- 0.5% Center Spread] Adjusts LVDS spread spectrum clocking.Conguration options: [Disabled] [+/‑ 0.

2‑28Chapter 2: Getting startedUSB Single Port ControlUSB3_1~2 [Enabled] Allows you to enable or disable an individual USB port. Refer to the section 1

ASUS H81T R2.02-29Change Settings [IO=3F8h; IRQ=4]This item appears only when you set the Serial Port to [Enabled] and allows you to select the Serial

2‑30Chapter 2: Getting started2.7 Monitor menuThe Monitor menu displays the system temperature/power status, and allows you to change the fan setting

ASUS H81T R2.02‑312.7.4 CPU Q-Fan Control [Enabled][Disabled] Disables the CPU Q‑Fan control feature.[Enabled] Enables the CPU Q‑Fan control featur

viH81T R2.0 specifications summary(continued on the next page)CPU LGA1150 socket for Intel® 4th Generation Core™ i7 / i5 / i3, Pentium®, and Celeron®

2‑32Chapter 2: Getting startedChassis Fan Profile [Standard]This item appears only when you enable the Chassis Q‑Fan Control feature and allows you to

ASUS H81T R2.02‑332.8 Boot menuThe Boot menu items allow you to change the system boot options.Scroll down to display the other items.2.8.1 Fast Boo

2‑34Chapter 2: Getting startedNetwork Stack Driver Support [Disabled][Disabled] Select to skip the network stack driver from loading during POST.[Ena

ASUS H81T R2.02‑352.8.7 Setup Mode [EZ Mode][Advanced Mode] Sets Advanced Mode as the default screen for entering the BIOS setup program.[EZ Mode]

2‑36Chapter 2: Getting startedOS Type [Windows UE...]Allows you to select your installed operating system. [Windows UEFI mode] Executes the Microsof

ASUS H81T R2.02‑37Key‑exchange Key (KEK) refers to Microsoft® Secure Boot Key‑Enrollment Key (KEK).Delete the KEKAllows you to delete the KEK from you

2‑38Chapter 2: Getting started2.8.10 Boot Option PrioritiesThese items specify the boot device priority sequence from the available devices. The numb

ASUS H81T R2.02‑39Save to ProfileAllows you to save the current BIOS settings to the BIOS Flash, and create a prole. Key in a prole number from one

2‑40Chapter 2: Getting startedSave Changes & ResetOnce you are nished making your selections, choose this option from the Exit menu to ensure the

ASUS H81T R2.0A-1AppendicesNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject

viiH81T R2.0 specifications summaryStorage Intel® H81 Express Chipset: - 1 x Serial ATA 6.0 Gb/s connector - 1 x Serial ATA 3.0 Gb/s connector - 1

A-2AppendicesREACHComplying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published

ASUS H81T R2.0A-3ASUS contact informationASUSTeK COMPUTER INC.Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259Telephone +886-2-2894-3447Fax

A-4AppendicesEC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTeK COMPUTER INC. Address: 4F, No. 150, LI-TE Rd., PEITOU, TAIPEI 11

viiiH81T R2.0 specifications summaryInternal connectors 2 x USB 2.0 2-port connectors support additional 4 USB 2.0 ports1 x USB 2.0 1-port connectors

ASUS H81T R2.01-1Product introduction11.1 Before you proceedTake note of the following precautions before you install motherboard components or chang