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Contents Notices...v Safety information vi About this guide vi P7H55-M LE Series specifications summary viii Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Motherboard layout 1-2 1.2.2 Layout contents 1-2 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-3 ... support 1-17 1.8.1 Installing an operating system 1-17 1.8.2 Support DVD information 1-17 Chapter 2: BIOS information 2.1 Managing and updating your BIOS 2-1 2.1.1 ASUS Update 2-1 2.1.2 ASUS EZ Flash 2 2-2 2.1.3 ASUS BIOS Updater 2-3 2.1.4 ASUS CrashFree BIOS 3 2-6 iii
Contents Notices...v Safety information vi About this guide vi P7H55-M LE Series specifications summary viii Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Motherboard layout 1-2 1.2.2 Layout contents 1-2 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-3 ... support 1-17 1.8.1 Installing an operating system 1-17 1.8.2 Support DVD information 1-17 Chapter 2: BIOS information 2.1 Managing and updating your BIOS 2-1 2.1.1 ASUS Update 2-1 2.1.2 ASUS EZ Flash 2 2-2 2.1.3 ASUS BIOS Updater 2-3 2.1.4 ASUS CrashFree BIOS 3 2-6 iii
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... 2-16 2.5.6 Hardware Monitor 2-16 2.6 Boot menu 2-17 2.6.1 Boot Device Priority 2-17 2.6.2 Boot Settings Configuration 2-17 2.6.3 Security 2-18 2.7 Tools menu 2-19 2.8 Exit menu 2-20 P7P55/P7H57/P7H55 series motherboardsinstallation notices.......... 2-21 Intel® LGA1156 processor and chipset combination instruction.. 2-21 Memory configuration 2-21 Configurations for the PCI Express x16 slots 2-21 iv
... 2-16 2.5.6 Hardware Monitor 2-16 2.6 Boot menu 2-17 2.6.1 Boot Device Priority 2-17 2.6.2 Boot Settings Configuration 2-17 2.6.3 Security 2-18 2.7 Tools menu 2-19 2.8 Exit menu 2-20 P7P55/P7H57/P7H55 series motherboardsinstallation notices.......... 2-21 Intel® LGA1156 processor and chipset combination instruction.. 2-21 Memory configuration 2-21 Configurations for the PCI Express x16 slots 2-21 iv
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...® H55 Express Chipset: - 6 x Serial ATA 3.0 Gb/s connectors - 1 x Ultra DMA 100/66 connector (for P7H55-M LE only) - 1 x Floppy connector (for Intel® CPU support list. P7H55-M LE Series specifications summary CPU Chipset Memory Expansion slots VGA output Storage LAN Audio USB ASUS unique features LGA1156 socket for Intel® Core™ i7/ Core™ i5/ Core...
...® H55 Express Chipset: - 6 x Serial ATA 3.0 Gb/s connectors - 1 x Ultra DMA 100/66 connector (for P7H55-M LE only) - 1 x Floppy connector (for Intel® CPU support list. P7H55-M LE Series specifications summary CPU Chipset Memory Expansion slots VGA output Storage LAN Audio USB ASUS unique features LGA1156 socket for Intel® Core™ i7/ Core™ i5/ Core...
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ix P7H55-M LE Series specifications summary Rear panel ports Internal connectors BIOS features Manageability Accessories Support DVD Form factor 1 x PS/2 Mouse port 1 x PS/2 Keyboard port 1 x COM port (for P7H55-M LE only) 1 x D-Sub port 1 x DVI-D port (for P7H55-M LE and P7H55-M LX only) 1 x HDMI port (for P7H55-M LE only) 1 x LAN (RJ-45) ...PME Wake up, WOR by Ring 2 x Serial ATA cables 1 x I/O shield 1 x IDE cable (for P7H55-M LE only) 1 x User Manual 1 x Support DVD Drivers ASUS PC Probe II ASUS Update Anti-virus software (OEM version) uATX form factor: 9.6 in x 8.6 in (24.4 cm x 22.9...
ix P7H55-M LE Series specifications summary Rear panel ports Internal connectors BIOS features Manageability Accessories Support DVD Form factor 1 x PS/2 Mouse port 1 x PS/2 Keyboard port 1 x COM port (for P7H55-M LE only) 1 x D-Sub port 1 x DVI-D port (for P7H55-M LE and P7H55-M LX only) 1 x HDMI port (for P7H55-M LE only) 1 x LAN (RJ-45) ...PME Wake up, WOR by Ring 2 x Serial ATA cables 1 x I/O shield 1 x IDE cable (for P7H55-M LE only) 1 x User Manual 1 x Support DVD Drivers ASUS PC Probe II ASUS Update Anti-virus software (OEM version) uATX form factor: 9.6 in x 8.6 in (24.4 cm x 22.9...
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... power supply and detach its power cord. Failure to do so may cause severe damage to page ix for buying an ASUS® P7H55-M LE Series motherboard! SB_PWR P7H55-M LE ON OFF Standby Power Powered Off P7H55-M LE Onboard LED 1-1 Chapter 1: Product introduction Before you for the list of the onboard LED. Chapter 1 Product introduction Thank you start...
... power supply and detach its power cord. Failure to do so may cause severe damage to page ix for buying an ASUS® P7H55-M LE Series motherboard! SB_PWR P7H55-M LE ON OFF Standby Power Powered Off P7H55-M LE Onboard LED 1-1 Chapter 1: Product introduction Before you for the list of the onboard LED. Chapter 1 Product introduction Thank you start...
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... to the rear part of the chassis. KBMS 12 3 21.8cm(8.6in) 4 56 COM2 COM1 Place this user guide are for P7H55-M LE only. DDR3 DIMM sockets 5. IDE connector (40-1 pin PRI_EIDE) Page Connectors/Jumpers/Slots/LED 1-12 9. Intel® CPU socket ...port connectors (10-1 pin COM2) 6. Front panel audio connector (10-1 pin AAFP) 1-16 Page 1-11 1-1 1-12 1-8 1-10 1-11 1-14 ASUS P7H55-M LE Series 1-2 DO NOT overtighten the screws! Doing so can damage the motherboard. 1.2.2 Layout contents Connectors/Jumpers/Slots/LED 1. USB connectors (10-1 pin USB78, USB910...
... to the rear part of the chassis. KBMS 12 3 21.8cm(8.6in) 4 56 COM2 COM1 Place this user guide are for P7H55-M LE only. DDR3 DIMM sockets 5. IDE connector (40-1 pin PRI_EIDE) Page Connectors/Jumpers/Slots/LED 1-12 9. Intel® CPU socket ...port connectors (10-1 pin COM2) 6. Front panel audio connector (10-1 pin AAFP) 1-16 Page 1-11 1-1 1-12 1-8 1-10 1-11 1-14 ASUS P7H55-M LE Series 1-2 DO NOT overtighten the screws! Doing so can damage the motherboard. 1.2.2 Layout contents Connectors/Jumpers/Slots/LED 1. USB connectors (10-1 pin USB78, USB910...
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... vendor. • Due to install 4GB or more memory on the motherboard, the actual usable memory for the dual-channel configuration. P7H55-M LE Series Motherboard Qualified Vendors List (QVL) DDR3-1333MHz capability Vendor A-Data A-Data A-Data Apacer CORSAIR CORSAIR CORSAIR CORSAIR CORSAIR CORSAIR CORSAIR CORSAIR...the memory address limitation on the 32-bit Windows® OS, when you install 4GB or more memory on the next page) ASUS P7H55-M LE Series 1-4 ELPIDA J1108EDSE-DJ-F EBJ21UE8EDF0-DJ-F 2048MB DS ELPIDA J1108EDSE-DJ-F F3-10666CL7T-3GBPK 3072MB(Kit of 3GB system memory if you...
... vendor. • Due to install 4GB or more memory on the motherboard, the actual usable memory for the dual-channel configuration. P7H55-M LE Series Motherboard Qualified Vendors List (QVL) DDR3-1333MHz capability Vendor A-Data A-Data A-Data Apacer CORSAIR CORSAIR CORSAIR CORSAIR CORSAIR CORSAIR CORSAIR CORSAIR...the memory address limitation on the 32-bit Windows® OS, when you install 4GB or more memory on the next page) ASUS P7H55-M LE Series 1-4 ELPIDA J1108EDSE-DJ-F EBJ21UE8EDF0-DJ-F 2048MB DS ELPIDA J1108EDSE-DJ-F F3-10666CL7T-3GBPK 3072MB(Kit of 3GB system memory if you...
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Visit the ASUS website at www.asus.com for the latest QVL. Crucial CT12864BA1067.8FF Crucial CT25664BA1067.16FF ELPIDA EBJ10UE8EDF0-AE-F ELPIDA EBJ51UD8BAFA-AC-E ELPIDA EBJ51UD8BAFA-AE-E ELPIDA EBJ11UD8BAFA-AE-E ELPIDA EBJ21UE8EDF0-... slot as Single-channel memory configuration. • B*: Supports one pair of modules inserted into both the slots as one pair of Dual-channel memory configuration. ASUS P7H55-M LE Series 1-6
Visit the ASUS website at www.asus.com for the latest QVL. Crucial CT12864BA1067.8FF Crucial CT25664BA1067.16FF ELPIDA EBJ10UE8EDF0-AE-F ELPIDA EBJ51UD8BAFA-AC-E ELPIDA EBJ51UD8BAFA-AE-E ELPIDA EBJ11UD8BAFA-AE-E ELPIDA EBJ21UE8EDF0-... slot as Single-channel memory configuration. • B*: Supports one pair of modules inserted into both the slots as one pair of Dual-channel memory configuration. ASUS P7H55-M LE Series 1-6
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... cut off the AC power, then reboot the system, the BIOS automatically resets parameter settings to reenter data. P7H55-M LE CLRTC 12 23 Normal (Default) Clear RTC P7H55-M LE Clear RTC RAM To erase the RTC RAM: 1. ASUS P7H55-M LE Series 1-8 Move the jumper cap from pins 1-2 (default) to clear the Real Time Clock (RTC) RAM in CMOS...
... cut off the AC power, then reboot the system, the BIOS automatically resets parameter settings to reenter data. P7H55-M LE CLRTC 12 23 Normal (Default) Clear RTC P7H55-M LE Clear RTC RAM To erase the RTC RAM: 1. ASUS P7H55-M LE Series 1-8 Move the jumper cap from pins 1-2 (default) to clear the Real Time Clock (RTC) RAM in CMOS...
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...connectors. This port is purchased separately. These two 4-pin Universal Serial Bus (USB) ports connect to 480Mbps connection speed. PS/2 Keyboard port. ASUS P7H55-M LE Series 1-10 DVI-D port (for any of these connectors, then install the module to a slot opening at the back of HD DVD, Blu-...Ray, and other protected content. 12. This is a High-Definition Mulltimedia Interface (HDMI) connector, and is for P7H55-M LE and P7H55-M LX only). USB 2.0 ports 1 and 2. This port is HDCP compliant allowing playback of the system chassis. DVI-D can't be converted to...
...connectors. This port is purchased separately. These two 4-pin Universal Serial Bus (USB) ports connect to 480Mbps connection speed. PS/2 Keyboard port. ASUS P7H55-M LE Series 1-10 DVI-D port (for any of these connectors, then install the module to a slot opening at the back of HD DVD, Blu-...Ray, and other protected content. 12. This is a High-Definition Mulltimedia Interface (HDMI) connector, and is for P7H55-M LE and P7H55-M LX only). USB 2.0 ports 1 and 2. This port is HDCP compliant allowing playback of the system chassis. DVI-D can't be converted to...
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Insufficient air flow inside the system may damage the motherboard components. Ground Reset F_PANEL PIN 1 P7H55-M LE HD_LED RESET P7H55-M LE System panel connector • System power LED (2-pin PLED) This 2-pin connector is for system reboot without turning off the system power....• Hard disk drive activity LED (2-pin +HDLED) This 2-pin connector is for the chassis-mounted reset button for the system power LED. ASUS P7H55-M LE Series 1-12 They are not jumpers! DO NOT place jumper caps on the motherboard, making sure that the black wire of each cable matches the ground...
Insufficient air flow inside the system may damage the motherboard components. Ground Reset F_PANEL PIN 1 P7H55-M LE HD_LED RESET P7H55-M LE System panel connector • System power LED (2-pin PLED) This 2-pin connector is for system reboot without turning off the system power....• Hard disk drive activity LED (2-pin +HDLED) This 2-pin connector is for the chassis-mounted reset button for the system power LED. ASUS P7H55-M LE Series 1-12 They are not jumpers! DO NOT place jumper caps on the motherboard, making sure that the black wire of each cable matches the ground...
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7. See section 2.4.3 Onboard Devices Configuration for the floppy disk drive (FDD) signal cable. P7H55-M LE Floppy disk drive connector ASUS P7H55-M LE Series 1-14 Connect one end of the cable to this connector, then connect the other end to this connector, ensure that ... /O module cable to this connector, set to [AC97]. Front panel audio connector (10-1 pin AAFP) This connector is for details. 8. FLOPPY PIN1 P7H55-M LE NOTE:Orient the red markings on the connector is removed to prevent incorrect cable connection when using a FDD cable with a covered Pin 5. • The...
7. See section 2.4.3 Onboard Devices Configuration for the floppy disk drive (FDD) signal cable. P7H55-M LE Floppy disk drive connector ASUS P7H55-M LE Series 1-14 Connect one end of the cable to this connector, then connect the other end to this connector, ensure that ... /O module cable to this connector, set to [AC97]. Front panel audio connector (10-1 pin AAFP) This connector is for details. 8. FLOPPY PIN1 P7H55-M LE NOTE:Orient the red markings on the connector is removed to prevent incorrect cable connection when using a FDD cable with a covered Pin 5. • The...
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PIN 1 10. Serial port connectors (10-1 pin COM2) (for a serial (COM) port. The serial port bracket (COM2) is for P7H55-M LE and P7H55-M LX only) The connector is purchased separately. COM2 P7H55-M LE P7H55-M LE Serial port (COM2) connector ASUS P7H55-M LE Series 1-16 Connect the serial port module cable to the connector, then install the module to a slot opening at the back of the system chassis.
PIN 1 10. Serial port connectors (10-1 pin COM2) (for a serial (COM) port. The serial port bracket (COM2) is for P7H55-M LE and P7H55-M LX only) The connector is purchased separately. COM2 P7H55-M LE P7H55-M LE Serial port (COM2) connector ASUS P7H55-M LE Series 1-16 Connect the serial port module cable to the connector, then install the module to a slot opening at the back of the system chassis.
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...appears. 2. Follow the onscreen instructions to avoid network traffic, or click Auto Select then click Next. Click the Utilities tab, then click ASUS Update. 3. Select Update BIOS from the Internet a. From the dropdown list, select either through a network or an Internet Service Provider (...ISP). • This utility is a utility that allows you to launch the ASUS Update utility. 2. From the FTP site, select the BIOS version that comes with the motherboard package. Updating the BIOS To update the BIOS: 1. c. ASUS P7H55-M LE Series 2-1
...appears. 2. Follow the onscreen instructions to avoid network traffic, or click Auto Select then click Next. Click the Utilities tab, then click ASUS Update. 3. Select Update BIOS from the Internet a. From the dropdown list, select either through a network or an Internet Service Provider (...ISP). • This utility is a utility that allows you to launch the ASUS Update utility. 2. From the FTP site, select the BIOS version that comes with the motherboard package. Updating the BIOS To update the BIOS: 1. c. ASUS P7H55-M LE Series 2-1
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... only. • DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! 2.1.3 ASUS BIOS Updater The ASUS BIOS Updater allows you can use as a backup when the BIOS fails or gets corrupted during the updating process. The actual...XXXXXXXXXXXXXXXX CDROM:XXXXXXXXXXXXXXX USB:XXXXXXXXXXXXXXXXX Network:XXXXXXXXXXXXX ↑ and ↓ to move selection ENTER to select boot device ESC to boot using defaults ASUS P7H55-M LE Series 2-3 Do not save the BIOS file and BIOS Updater to a hard disk drive or USB flash drive in DOS environment. • ...
... only. • DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! 2.1.3 ASUS BIOS Updater The ASUS BIOS Updater allows you can use as a backup when the BIOS fails or gets corrupted during the updating process. The actual...XXXXXXXXXXXXXXXX CDROM:XXXXXXXXXXXXXXX USB:XXXXXXXXXXXXXXXXX Network:XXXXXXXXXXXXX ↑ and ↓ to move selection ENTER to select boot device ESC to boot using defaults ASUS P7H55-M LE Series 2-3 Do not save the BIOS file and BIOS Updater to a hard disk drive or USB flash drive in DOS environment. • ...
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... utility automatically exits to confirm BIOS update. Select the Load Setup Defaults item under the Exit BIOS menu. ASUS P7H55-M LE Series 2-5 See section 2.8 Exit menu for DOS V1.00b [09/06/22] Current ROM BOARD: P7H55-M LX VER: 0301 DATE: 07/12/2010 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: P7H55MLX.ROM...
... utility automatically exits to confirm BIOS update. Select the Load Setup Defaults item under the Exit BIOS menu. ASUS P7H55-M LE Series 2-5 See section 2.8 Exit menu for DOS V1.00b [09/06/22] Current ROM BOARD: P7H55-M LX VER: 0301 DATE: 07/12/2010 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: P7H55MLX.ROM...
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Select the Load Setups Default item under the Exit Menu. Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com to turn the system off then back on your data or system. We recommend to always shut down the system properly from a running ... for this motherboard apply for reference purposes only, and may not exactly match what you see on . ASUS P7H55-M LE Series 2-7 The BIOS screens include navigation keys and brief online help to your screen. • Visit the ASUS website at startup: • Press during the Power-On Self Test (POST). If you failed to ...
Select the Load Setups Default item under the Exit Menu. Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com to turn the system off then back on your data or system. We recommend to always shut down the system properly from a running ... for this motherboard apply for reference purposes only, and may not exactly match what you see on . ASUS P7H55-M LE Series 2-7 The BIOS screens include navigation keys and brief online help to your screen. • Visit the ASUS website at startup: • Press during the Power-On Self Test (POST). If you failed to ...
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...-in this mode, and if the device was not previously formatted with LBA mode disabled. The AHCI mode is only supported by the Southbridge chip. ASUS P7H55-M LE Series 2-9 Setting to set to [Auto], the data transfer from and to the device occurs multiple sectors at a time. SATA Configuration [Enhanced] Allows you to [Auto...
...-in this mode, and if the device was not previously formatted with LBA mode disabled. The AHCI mode is only supported by the Southbridge chip. ASUS P7H55-M LE Series 2-9 Setting to set to [Auto], the data transfer from and to the device occurs multiple sectors at a time. SATA Configuration [Enhanced] Allows you to [Auto...
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... Tech [Enabled] Enables or disables Intel® Virtualization Technology. Configuration options: [Disabled] [Enabled] Active Processor Cores [All] Allows you to enable or disable C1E Support. ASUS P7H55-M LE Series 2-11 Configuration options: [Disabled] [Enabled] Max CPUID Value Limit [Disabled] Setting this item to [Disabled] forces the XD feature flag to always return to be...
... Tech [Enabled] Enables or disables Intel® Virtualization Technology. Configuration options: [Disabled] [Enabled] Active Processor Cores [All] Allows you to enable or disable C1E Support. ASUS P7H55-M LE Series 2-11 Configuration options: [Disabled] [Enabled] Max CPUID Value Limit [Disabled] Setting this item to [Disabled] forces the XD feature flag to always return to be...
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...base address. Configuration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3] The following items appear only on P7H55-M LE. Serial Port2 Address [2F8/IRQ3] Allows you to enable or disable the JMB368 IDE Controller. Configuration options: [Disabled] [378] [278]... Port1 base address. Configuration options: [1.9] [1.7] Parallel Port IRQ [IRQ7] Allows you to [Enabled]. Configuration options: [IRQ5] [IRQ7] ASUS P7H55-M LE Series 2-13 Configuration options: [Enabled] [Disabled] Onboard LAN Boot ROM [Disabled] Allows you to enable or disable the boot ROM in the...
...base address. Configuration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3] The following items appear only on P7H55-M LE. Serial Port2 Address [2F8/IRQ3] Allows you to enable or disable the JMB368 IDE Controller. Configuration options: [Disabled] [378] [278]... Port1 base address. Configuration options: [1.9] [1.7] Parallel Port IRQ [IRQ7] Allows you to [Enabled]. Configuration options: [IRQ5] [IRQ7] ASUS P7H55-M LE Series 2-13 Configuration options: [Enabled] [Disabled] Onboard LAN Boot ROM [Disabled] Allows you to enable or disable the boot ROM in the...