MotherboardP7H55-M SI
Chapter 1Product introductionThank you for buying an ASUS® P7H55-M SI motherboard!Before you start installing the motherboard, and hardware devices on
1.2 Motherboard overview1.2.1 Motherboard layoutPlace eight screws into the holes indicated by circles to secure the motherboard to the chassis. DO
1.3 Central Processing Unit (CPU)This motherboard comes with a surface mount LGA1156 socket designed for the Intel® Core™ i7 / Core™ i5 processors.1
1.4.2 Memory congurationsYou may install 1GB, 2GB, and 4GB unbuffered non-ECC DDR3 DIMMs into the DIMM sockets.• You may install varying memory siz
(continued on the next page)Vendor Part No. SizeSS/DSChip Brand Chip No.Timing DIMM (BIOS)VoltageDIMM SupportA* B* C*G.SKILL F3-10600CL8D-2GBHK 1024M
DDR3-1333MHz capabilityDDR3-1066MHz capabilitySS - Single-sided / DS - Double - sided DIMM support: • A*: Supports one module inserted into any slot
1.5 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that
1.6 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 CMOS memory of dat
1.7 Connectors1.7.1 Rear panel ports1. PS/2 Mouse port. This port is for a PS/2 mouse.2. COM port. This 9-pin COM1 port is for serial devices.3.
iiCopyright © 2010 ASUSTeK Computer Inc. All Rights Reserved.No part of this manual, including the products and software described in it, may be repro
8. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0/1.1 devices. 9. USB 2.0 ports 3, 4, 5, and 6. These f
2. Serial ATA connectors (7-pin SATA1-6)These connectors are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk and optical disk drives.
4. CPU and Chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN)Connect the fan cables to the fan connectors on the motherboard, making sure that the
6. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)These connectors are for an ATX power supply. The plugs from the power supply are designed to
7. System panel connector (10-1 pin F_PANEL)This connector supports several chassis-mounted functions.• System power LED (2-pin PLED)This 2-pin conn
9. Front panel audio connector (10-1 pin AAFP)This connector is for a chassis-mounted front panel audio I/O module that supports either High Denitio
11. LPT connector (26-1 pin LPT) The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT standardizes as IEEE 1284, which
13. IDE connector (40-1 pin PRI_IDE)The onboard IDE connector is for Ultra DMA 133/100 signal cable. There are three connectors on each Ultra DMA 133
If the Autorun function is NOT enabled on your computer, browse the contents of the Support DVD to locate the le ASSETUP.EXE from the BIN folder. Dou
ASUS P7H55-M SI 2-1Chapter 2BIOS informationSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to restore the BIOS i
iiiContentsNotices ... vSafety information ...
2-2 Chapter 2: BIOS informationUpdating from the Internet a. Select Update BIOS from the Internet, then click Next. b. Select the ASUS FTP site ne
ASUS P7H55-M SI 2-32. When the correct BIOS le is found, EZ Flash 2 performs the BIOS update process and automatically reboots the system when done.
2-4 Chapter 2: BIOS informationWelcome to FreeDOS (http://www.freedos.org)!C:\>d:D:\>3. When the Make Disk menu appears, select the FreeDOS co
ASUS P7H55-M SI 2-54. Select Yes and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS Updater. Restart your computer.DO
2-6 Chapter 2: BIOS information2.1.4 ASUS CrashFree BIOSThe ASUS CrashFree BIOS is an auto recovery tool that allows you to restore the BIOS le when
ASUS P7H55-M SI 2-72.2 BIOS setup programUse the BIOS Setup program to update the BIOS or congure its parameters. The BIOS screens include navigatio
2-8 Chapter 2: BIOS information2.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic
ASUS P7H55-M SI 2-9LBA/Large Mode [Auto]Enables or disables the LBA mode. Setting to [Auto] enables the LBA mode if the device supports this mode, and
2-10 Chapter 2: BIOS information2.3.7 System InformationThis menu gives you an overview of the general system specications. The BIOS automatically d
ASUS P7H55-M SI 2-11The following item appears only when you installed an Intel® CPU that supports the Enhanced Intel® SpeedStep® Technology (EIST). I
ivContents2.2 BIOS setup program ... 2-72.3 Main menu ...
2-12 Chapter 2: BIOS information2.4.2 ChipsetThe Chipset menu allows you to change the advanced chipset settings. Select an item then press <Enter
ASUS P7H55-M SI 2-13Front Panel Type [HD Audio]Allows you to select the front panel type. If High Denition Audio Front Panel used, please set HD Audi
2-14 Chapter 2: BIOS informationUSB Functions [Enabled]Allows you to disable or enable the USB functions. Conguration options: [Disabled] [Enabled] L
ASUS P7H55-M SI 2-15TCG/TPM Support [Yes]Allows you to enable or disable TCG/TPM setting. Conguration options: [Yes] [No]The following items appear o
2-16 Chapter 2: BIOS informationSuspend Mode [Auto]ACPI 2.0 Support [Enabled]ACPI APIC Support [Enabled]Anti Surge Support [D
ASUS P7H55-M SI 2-17Power On By RTC Alarm [Disabled]Allows you to enable or disable RTC to generate a wake event. When this item is set to Enabled, th
2-18 Chapter 2: BIOS informationChassis Q-Fan Control [Enabled]Allows you to enable or disable the Chassis Q-Fan control. Conguration options: [Disa
ASUS P7H55-M SI 2-19AddOn ROM Display Mode [Force BIOS]Sets the display mode for option ROM. Conguration options: [Force BIOS] [Keep Current]Bootup N
2-20 Chapter 2: BIOS information[No Access] - prevents user access to the Setup utility. [View Only] - allows access but does not allow change to any
ASUS P7H55-M SI 2-212.8 Exit menuThe Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or discard
vNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two condi
2-22 Chapter 2: BIOS information
viSafety informationElectrical safety• To prevent electric shock hazard, disconnect the power cable from the electric outlet before relocating the sy
viiConventions used in this guideTo ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.
viiiCPU LGA1156 socket for Intel® Core™ i7/ Core™ i5 processors Supports Intel® 45nm Multi-Core CPUChipset Intel® H55 Express ChipsetMemory 4 x DIMM,
ixP7H55-M SI specications summaryBack Panel I/O Ports 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 1 x HDMI port 1 x DVI port 1 x VGA port 1 x COM port
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