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MotherboardP8H77-M LE

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ASUS P8H77-M LE 1-1Chapter 1Product introduction Motherboard ASUS P8H77-M LE motherboardCables 2 x Serial ATA 6.0Gb/s cablesAccessories 1 x I/O s

1-2 Chapter 1: Product introductionIntel® H77 Express ChipsetThe Intel® H77 Express Chipset is a single-chipset designed to support the 1155 socket In

ASUS P8H77-M LE 1-3Intel® Smart Response TechnologySSD Speed with HDD CapacityIntel® Smart Response Technology boosts overall system performance by us

1-4 Chapter 1: Product introductionUSB 3.0 BoostNew ASUS USB 3.0 Boost technology supports UASP (USB Attached SCSI Protocol), the latest USB 3.0 stand

ASUS P8H77-M LE 1-5ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is an auto-recovery tool that allows you to restore a corrupted BIOS le using the bund

1-6 Chapter 1: Product introduction1.4 Before you proceedTake note of the following precautions before you install motherboard components or change a

ASUS P8H77-M LE 1-7P8H77-M LE1.5 Motherboard overviewBefore you install the motherboard, study the conguration of your chassis to ensure that the mo

1-8 Chapter 1: Product introduction1.5.3 Motherboard layout1.5.4 Layout contentsConnectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page1

ASUS P8H77-M LE 1-91.6 Central Processing Unit (CPU)The motherboard comes with a surface mount LGA1155 socket designed for the Intel® 3rd/2nd Generat

iiE7427Second Edition (V2)May 2012Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and softwa

1-10 Chapter 1: Product introduction1.6.1 Installing the CPU123The LGA1156 CPU is incompatible with the LGA1155 socket. DO NOT install a LGA1156 CPU

ASUS P8H77-M LE 1-11ABC54

1-12 Chapter 1: Product introduction1.6.2 CPU heatsink and fan assembly installationApply the Thermal Interface Material to the CPU heatsink and CPU

ASUS P8H77-M LE 1-13ABBATo uninstall the CPU heatsink and fan assembly21

1-14 Chapter 1: Product introductionP8H77-M LEP8H77-M LE 240-pin DDR3 DIMM socketsDIMM_A1DIMM_B11.7 System memory1.7.1 OverviewThe motherboard comes

ASUS P8H77-M LE 1-15Vendors Part No. Size SS/DSChip BrandChip NO. Timing VoltageDIMM socket support (Optional)1 DIMM 2 DIMMsCORSAIR CMGTX8(XMP) 8GB(2G

1-16 Chapter 1: Product introductionDDR3-1866 (O.C.) MHz capabilityDDR3-1600 MHz capabilityVendors Part No. SizeSS/DSChip BrandChip NO. Timing Voltage

ASUS P8H77-M LE 1-17DDR3-1600 MHz capability (continued)Vendors Part No. SizeSS/DSChip BrandChip NO. Timing VoltageDIMM socket support (Optional)1 DIM

1-18 Chapter 1: Product introductionDDR3-1333 MHz capability (continued)Vendors Part No. SizeSS/DSChip BrandChip NO. Timing VoltageDIMM socket support

ASUS P8H77-M LE 1-19SS: Single-sided / DS: Double-sidedDIMM support: • 1 DIMM: Supports one module inserted into any slot as single-channel memory c

iiiContentsSafety information ... viAbout this guide ...

1-20 Chapter 1: Product introduction1.7.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failur

ASUS P8H77-M LE 1-211.8 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slots and the

1-22 Chapter 1: Product introductionIRQ assignments for this motherboardA B C D E F G HIntel PCH SATA controller #0 – – – shared – – – –Intel PCH SATA

ASUS P8H77-M LE 1-23Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot f

1-24 Chapter 1: Product introduction4. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio sources. 5. Line Out p

ASUS P8H77-M LE 1-251.10.2 Internal connectors1. Front panel audio connector (10-1 pin AAFP)This connector is for a chassis-mounted front panel audi

1-26 Chapter 1: Product introduction• For a fully congured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12 V S

ASUS P8H77-M LE 1-27Do not forget to connect the fan cables to the fan connectors. Insufcient air ow inside the system may damage the motherboard co

1-28 Chapter 1: Product introduction6. System panel connector (10-1 pin F_PANEL)This connector supports several chassis-mounted functions.• System p

ASUS P8H77-M LE 1-298. Intel® H77 Serial ATA 3.0Gb/s connectors (7-pin SATA3G_1~4 [blue])These connectors connect to Serial ATA 3.0 Gb/s hard disk dr

ivContents1.11 Onboard switches ... 1-311.12 Onboard LEDs ...

1-30 Chapter 1: Product introduction11. USB 3.0 connector (20-1 pin USB3_34)This connector is for the additional USB 3.0 ports. Connect the USB 3.0 b

ASUS P8H77-M LE 1-31MemOK! switchInstalling DIMMs that are incompatible with the motherboard may cause system boot failure, and the DRAM_LED near the

1-32 Chapter 1: Product introduction1.12 Onboard LEDs1. Standby Power LEDThe motherboard comes with a standby power LED that lights up to indicate t

ASUS P8H77-M LE 1-331.13 Software support1.13.1 Installing an operating systemThis motherboard supports Windows® XP / Windows® 7 Operating Systems

1-34 Chapter 1: Product introduction

2-1ASUS P8H77-M LEChapter 2BIOS informationSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to restore the BIOS in

Chapter 2: BIOS information2-22.1.2 ASUS EZ Flash 2The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility. Befor

2-3ASUS P8H77-M LE• This function supports USB ash disks with FAT 32/16 format and single partition only.• DO NOT shut down or reset the system whi

Chapter 2: BIOS information2-4Welcome to FreeDOS (http://www.freedos.org)!C:\>d:D:\>3. When the Make Disk menu appears, select the FreeDOS com

2-5ASUS P8H77-M LEUpdating the BIOS leTo update the BIOS le using BIOS Updater1. At the FreeDOS prompt, type bupdater /pc /g and press <Enter>

vContents2.5.3 SATA Conguration ... 2-192.5.4 System Agent Conguration ...

Chapter 2: BIOS information2-6Using the power button, reset button, or the <Ctrl>+<Alt>+<Del> keys to force reset from a running ope

2-7ASUS P8H77-M LEEZ ModeBy default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you an overview of the bas

Chapter 2: BIOS information2-8Advanced ModeThe Advanced Mode provides advanced options for experienced end-users to congure the BIOS settings. The g

2-9ASUS P8H77-M LEPop-up windowSelect a menu item and press <Enter> to display a pop-up window with the conguration options for that item.Scrol

Chapter 2: BIOS information2-102.3.1 System Language [English]Allows you to choose the BIOS language version from the options. Conguration options:

2-11ASUS P8H77-M LEAdministrator PasswordIf you have set an administrator password, we recommend that you enter the administrator password for accessi

Chapter 2: BIOS information2-12Scroll down to display the following items:2.4 Ai Tweaker menuThe Ai Tweaker menu items allow you to congure overcloc

2-13ASUS P8H77-M LE2.4.2 Memory Frequency [Auto]Allows you to set the memory operating frequency. Conguration options: [Auto] [DDR3-800MHz] [DDR3-10

Chapter 2: BIOS information2-14Turbo Mode [Enabled]This item appears only when you set the previous item to [Enabled].[Enabled] Allows processor cor

2-15ASUS P8H77-M LECPU Power Phase Control [Standard]Allows you to control the power phase based on the CPU’s demands. Conguration options: [Standard

viSafety informationElectrical safety• To prevent electric shock hazard, disconnect the power cable from the electric outlet before relocating the sy

Chapter 2: BIOS information2-16CPU Offset Mode Sign [+]This item appears only when you set the CPU Voltage item to [Offset Mode].[+] To offset the vo

2-17ASUS P8H77-M LEBe cautious when changing the settings of the Advanced menu items. Incorrect eld values can cause the system to malfunction.2.5 A

Chapter 2: BIOS information2-18Hyper-threading [Enabled]The Intel Hyper-Threading Technology allows a hyper-threading processor to appear as two logic

2-19ASUS P8H77-M LECPU C1E [Auto]Enables or disables the C1E support function. This item should be enabled in order to enable the Enhanced Halt State.

Chapter 2: BIOS information2-202.5.4 System Agent CongurationMemory Remap Feature [Enabled][Enabled] Allow you to enable remapping the memory above

2-21ASUS P8H77-M LEIntel xHCI Mode [Smart Auto]Allows you to select an operation mode for the Intel xHCI controller. Conguration options: [Smart Auto

Chapter 2: BIOS information2-22Power On By PS/2 Keyboard [Disabled][Disabled] Disables the Power On by a PS/2 keyboard.[Space Bar] Sets the Space Ba

2-23ASUS P8H77-M LE2.6 Monitor menuThe Monitor menu displays the system temperature/power status, and allows you to change the fan settings.Scroll do

Chapter 2: BIOS information2-242.6.1 CPU Temperature / MB Temperature [xxx�C/xxx�F][xxx�C/xxx�F]The onboard hardware monitor automatically detects an

2-25ASUS P8H77-M LE2.6.5 Chassis Q-Fan Control [Enabled][Disabled] Disables the Chassis Q-Fan control feature.[Enabled] Enables the Chassis Q-Fan c

viiConventions used in this guideTo ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.

Chapter 2: BIOS information2-262.7 Boot menuThe Boot menu items allow you to change the system boot options.2.7.1 Bootup NumLock State [On][On] Set

2-27ASUS P8H77-M LE2.7.4 Option ROM Messages [Force BIOS][Force BIOS] The third-party ROM messages will be forced to display during the boot sequenc

Chapter 2: BIOS information2-282.8 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <

2-29ASUS P8H77-M LE2.9 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes

Chapter 2: BIOS information2-30

ASUS P8H77-M LE A-1AppendicesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to th

A-2 AppendicesVCCI: Japan Compliance StatementVCCI Class B StatementKC: Korea Warning StatementCanadian Department of Communications StatementThis dig

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

EC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTek COMPUTER INC. Address, City: No. 150, LI-TE RD., PEITOU, TAIPEI 112, TAIWAN R.

viiiP8H77-M LE specications summary(continued on the next page)CPU LGA1155 socket for Intel® 3rd/2nd Generation Core™ i7 / Core™ i5 / Core™ i3 / P

ixP8H77-M LE specications summaryASUS unique features ASUS DIGI+ VRM ASUS EPU ASUS MemOK! GPU Boost ASUS AI Suite II ASUS Anti-Surge Protection ASUS