Asus P7H55-M Specifications

MotherboardP7H55-M

xP7H55-M specications summaryAudio Realtek® ALC887 8-channel* High Denition Audio CODEC - Optical S/PDIF out ports at mid-board and back I/O -

xiInternal I/O connectors3 x USB 2.0/1.1 connectors support additional 6 USB 2.0/1.1 ports 1 x IDE connector 6 x SATA connectors 1 x CPU fan connec

xii

1-1 Chapter 1: Product introductionChapter 1Product introduction Motherboard ASUS P7H55-M motherboardCables 2 x Serial ATA 3.0Gb/s cables 1 x

ASUS P7H55-M 1-2Intel® H55The Intel® H55 Express Chipset is the latest one-chipset design to support the latest 1156 socket Intel® Core™ i7 / Core™ i5

1-3 Chapter 1: Product introduction1.3.2 Innovative ASUS featuresTurbo KeyASUS Turbo Key allows you to turn the PC power button into a physical overc

ASUS P7H55-M 1-4ASUS O.C. ProleThe motherboard features the ASUS O.C. Prole that allows you to conveniently store or load multiple BIOS settings. Th

1-5 Chapter 1: Product introduction1.4 Before you proceedTake note of the following precautions before you install motherboard components or change a

ASUS P7H55-M 1-61.5 Motherboard overviewBefore you install the motherboard, study the conguration of your chassis to ensure that the motherboard ts

1-7 Chapter 1: Product introduction1.5.3 Motherboard layoutP7H55-MPCIEX16PCI1PCIEX1_1PCIEX1_2LPTUSB1112 USB910 USB78AAFPATX12VEATXPWRCPU_FANCHA_FAN1L

iiE5345First Edition V1 January 2010Copyright © 2010 ASUSTeK Computer Inc. All Rights Reserved.No part of this manual, including the products and soft

ASUS P7H55-M 1-81.6 Central Processing Unit (CPU)The motherboard comes with a surface mount LGA1156 socket designed for the Intel® Core™ i7 / Core™ i

1-9 Chapter 1: Product introduction3. Lift the load lever in the direction of the arrow until the load plate is completely lifted.Load plate4. Remov

ASUS P7H55-M 1-107. Close the load plate (A), and then push down the load lever (B), ensuring that the front edge of the load plate slides under the

1-11 Chapter 1: Product introduction1.6.2 Installing the CPU heatsink and fanThe Intel® LGA1156 processor requires a specially designed heatsink and

ASUS P7H55-M 1-123. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.Do not forget to connect the CPU fan connector! Har

1-13 Chapter 1: Product introduction1.7 System memory1.7.1 OverviewThe motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Modu

ASUS P7H55-M 1-141.7.2 Memory congurationsYou may install 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR3 DIMMs into the DIMM sockets.• The defaul

1-15 Chapter 1: Product introductionP7H55-M Motherboard Qualied Vendors Lists (QVL) DDR3-2200(O.C.) MHz capability for Lynneld CPU (2.8 GHz & 2.

ASUS P7H55-M 1-16Vendor Part No. Size SS/DSChip BrandChip NO.Timing VoltageDIMM socket support (Optional)A* B* C*A-Data AD31600X002GMU(XMP) 4096MB(Kit

1-17 Chapter 1: Product introductionVendor Part No. SizeSS/DSChip BrandChip NO. Timing VoltageDIMM socket support (Optional)A* B* C*A-Data AD31333G001

iiiContentsNotices ... viSafety information ...

ASUS P7H55-M 1-181.7.4 Removing a DIMMFollow these steps to remove a DIMM.2. Remove the DIMM from the socket.1.7.3 Installing a DIMM3. Firmly inse

1-19 Chapter 1: Product introduction1.8 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe th

ASUS P7H55-M 1-201.9 Jumpers1. Clear RTC RAM (3-pin CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the C

1-21 Chapter 1: Product introduction1.10 Connectors1.10.1 Rear panel connectors3 45261111079 81. PS/2 Keyboard/Mouse Combo port (purple). This port

ASUS P7H55-M 1-226. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.7. USB 2.0

1-23 Chapter 1: Product introduction2. IDE connector (40-1 pin PRI_EIDE)The onboard IDE connector is for the Ultra DMA 133/100 signal cable. There ar

ASUS P7H55-M 1-24• 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

1-25 Chapter 1: Product introduction7. Digital audio connector (4-1 pin SPDIF_OUT)This connector is for an additional Sony/Philips Digital Interface

ASUS P7H55-M 1-268. Serial ATA connectors (7-pin SATA1-6)These connectors are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk and opt

1-27 Chapter 1: Product introduction10. System panel connector (20-8 pin PANEL)This connector supports several chassis-mounted functions.• System po

ivContents1.11 Software support ... 1-281.11.1 Installing an operating system .

ASUS P7H55-M 1-281.11 Software support1.11.1 Installing an operating systemThis motherboard supports Windows® XP / 64-bit XP / Vista / 64-bit Vista

Chapter 2: BIOS information 2-1Chapter 2BIOS informationSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to restor

2-2 ASUS P7H55-M2.1.2 ASUS EZ Flash 2The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility. Before you start us

Chapter 2: BIOS information 2-32.1.3 ASUS CrashFree BIOSThe ASUS CrashFree BIOS is an auto recovery tool that allows you to restore the BIOS le when

2-4 ASUS P7H55-M• NTFS is not supported under DOS environment. Do not save the BIOS le and BIOS Updater to a hard disk drive or USB ash drive in NT

Chapter 2: BIOS information 2-5ASUSTek BIOS Updater for DOS V1.00b [09/06/22]Current ROMUpdate ROMNoteSaving BIOS:PATH: A:\ BOARD: P7H55-M VER: 0208

2-6 ASUS P7H55-MUsing the power button, reset button, or the <Ctrl>+<Alt>+<Del> keys to force reset from a running operating system

Chapter 2: BIOS information 2-72.2.2 Menu barThe menu bar on top of the screen has the following main items:Main For changing the basic system congu

2-8 ASUS P7H55-M2.2.5 Submenu itemsA solid triangle before each item on any menu screen means that the item has a submenu. To display the submenu, se

Chapter 2: BIOS information 2-9LBA/Large Mode [Auto]Enables or disables the LBA mode. Setting to [Auto] enables the LBA mode if the device supports th

vContents2.4.10 CPU Differential Amplitude... 2-152.4.11 CPU Clock Skew ...

2-10 ASUS P7H55-M2.3.6 System InformationThis menu gives you an overview of the general system specications. The BIOS automatically detects the item

Chapter 2: BIOS information 2-112.4 Ai Tweaker menuThe Ai Tweaker menu items allow you to congure overclocking-related items.Be cautious when changi

2-12 ASUS P7H55-MDRAM O.C. Profile [DDR3-1600MHz]This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P.] and allows you to selec

Chapter 2: BIOS information 2-13The following two items appear only when you set the Ai Overclock Tuner item to [Manual], [D.O.C.P.] or [X.M.P.].2.4.5

2-14 ASUS P7H55-MDRAM RAS# to RAS# Delay [Auto]Conguration options: [Auto] [1 DRAM Clock] ~ [7 DRAM Clock]DRAM REF Cycle Time [Auto]Conguration opti

Chapter 2: BIOS information 2-15DRAM READ to READ Delay(SR) [Auto]Conguration options: [Auto] [4 DRAM Clock] [6 DRAM Clock]DRAM WRITE to WRITE Delay(

2-16 ASUS P7H55-M2.4.14 DRAM Voltage [Auto] Allows you to set the DRAM voltage. The values range from 1.500V to 2.205V.According to Intel CPU spec, D

Chapter 2: BIOS information 2-172.5.1 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.The

2-18 ASUS P7H55-MAdjacent Cache Line Prefetcher [Enabled][Enabled] Enables the Adjacent Cache Line Prefetcher function. This item should be enable

Chapter 2: BIOS information 2-192.5.2 Uncore CongurationThe North Bridge Conguration menu allows you to change the advanced chipset settings. Memor

viNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two cond

2-20 ASUS P7H55-MThe USB Devices Enabled item shows the auto-detected values. If no USB device is detected, the item shows None.USB Functions [Enabled

Chapter 2: BIOS information 2-212.6 Power menuThe Power menu items allow you to change the settings for the Advanced Power Management (APM). Select a

2-22 ASUS P7H55-MPower On By RTC Alarm [Disabled][Disabled] Disables RTC to generate a wake event.[Enabled] When set to [Enabled], the items RTC Ala

Chapter 2: BIOS information 2-23CPU Q-Fan Control [Enabled][Disabled] Disables the CPU Q-Fan control feature.[Enabled] Enables the CPU Q-Fan control

2-24 ASUS P7H55-M2.7 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display the

Chapter 2: BIOS information 2-25Bootup Num-Lock [On]Selects the power-on state for the NumLock. Conguration options: [Off] [On]Wait for ‘F1’ If Error

2-26 ASUS P7H55-MTo set a User Password:1. Select the Change User Password item and press <Enter>.2. In the password box, key in a password co

Chapter 2: BIOS information 2-27• This function can support devices such as a USB ash disk with FAT 32/16 format and single partition only.• DO NOT

2-28 ASUS P7H55-M2.9 Exit menuThe Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or discard yo

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

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

ixP7H55-M specications summary(continued on the next page)CPU LGA1156 socket for Intel® Core™ i7/ Core™ i5/ Core™ i3/ Pentium® processors Supports