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P7P55 LX specifications summary Internal I /O shield 1 x User Manual Drivers ASUS Utilities ASUS Update Anti-virus software (OEM version) ATX form factor: 12 in x 8.6 in connector 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power connector 1 x System panel connector 1 x MemOK! xii button 1 x COM connector 16 Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM 2.0, SM BIOS 2.5, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3 WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE 1 x Ultra DMA 133/100/66 cable 2 x Serial ATA 3.0Gb/s cables 1 x I /O connectors BIOS Manageability ...
P7P55 LX specifications summary Internal I /O shield 1 x User Manual Drivers ASUS Utilities ASUS Update Anti-virus software (OEM version) ATX form factor: 12 in x 8.6 in connector 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power connector 1 x System panel connector 1 x MemOK! xii button 1 x COM connector 16 Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM 2.0, SM BIOS 2.5, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3 WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE 1 x Ultra DMA 133/100/66 cable 2 x Serial ATA 3.0Gb/s cables 1 x I /O connectors BIOS Manageability ...
User Guide
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... easy setup, Turbo Key can boost performances without interrupting ongoing work or games-with an ACPI management function to provide efficient power management for advanced operating systems. Innovative ASUS features Turbo Key ASUS Turbo Key allows you to turn the PC power button into a physical overclocking button. Dual-Channel DDR3 2200(O.C.) / 1600 / 1333 / 1066 support The motherboard supports DDR3 memory that features data transfer rates of the latest 3D graphics, multimedia...
... easy setup, Turbo Key can boost performances without interrupting ongoing work or games-with an ACPI management function to provide efficient power management for advanced operating systems. Innovative ASUS features Turbo Key ASUS Turbo Key allows you to turn the PC power button into a physical overclocking button. Dual-Channel DDR3 2200(O.C.) / 1600 / 1333 / 1066 support The motherboard supports DDR3 memory that features data transfer rates of the latest 3D graphics, multimedia...
User Guide
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... flexible controls of a button to the motherboard USB port before entering the Windows® OS. • ASUS Express Gate supports installation on the system configuration. • ASUS Express Gate supports file uploading from SATA HDDs, ODDs and USB drives. When installing it on USB HDDs or flash drives, connect the drives to patch memory issues and get your system booting success. ASUS P7P55 LX 1-3 This remarkable memory rescue tool requires nothing but a push of fan speed to overclock without exiting or rebooting the OS; The BIOS settings can...
... flexible controls of a button to the motherboard USB port before entering the Windows® OS. • ASUS Express Gate supports installation on the system configuration. • ASUS Express Gate supports file uploading from SATA HDDs, ODDs and USB drives. When installing it on USB HDDs or flash drives, connect the drives to patch memory issues and get your system booting success. ASUS P7P55 LX 1-3 This remarkable memory rescue tool requires nothing but a push of fan speed to overclock without exiting or rebooting the OS; The BIOS settings can...
User Guide
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... BIOS setup. 2. Remove the bracket opposite the slot that support PCI Express x16 2.0 graphic cards complying with it by adjusting the software settings. 1. Assign an IRQ to use . 4. Refer to install expansion cards. Align the card connector with the screw you removed earlier. 6. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. 1.8.3 PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express...
... BIOS setup. 2. Remove the bracket opposite the slot that support PCI Express x16 2.0 graphic cards complying with it by adjusting the software settings. 1. Assign an IRQ to use . 4. Refer to install expansion cards. Align the card connector with the screw you removed earlier. 6. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. 1.8.3 PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express...
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...; In single VGA card mode, use the PCIe 2.0 x16_1 slot (blue) for a PCI Express x16 graphics card to get better performance. • We recommend that you to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup information such as system passwords. Clear RTC RAM (3-pin CLRTC) This jumper allows you provide sufficient power when running CrossFireX™ mode. • Connect a chassis fan to the motherboard connector labeled CHA_FAN when using multiple graphics cards for better thermal...
...; In single VGA card mode, use the PCIe 2.0 x16_1 slot (blue) for a PCI Express x16 graphics card to get better performance. • We recommend that you to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup information such as system passwords. Clear RTC RAM (3-pin CLRTC) This jumper allows you provide sufficient power when running CrossFireX™ mode. • Connect a chassis fan to the motherboard connector labeled CHA_FAN when using multiple graphics cards for better thermal...
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... S1 sleep mode (CPU stopped, DRAM refreshed, system running in sleep mode. USBPW1-8 12 23 +5V +5VSB (Default) P7P55 LX USBPW9-14 12 23 +5V +5VSB (Default) P7P55 LX USB Device Wake Up • The USB device wake-up feature. This feature requires an ATX power supply that can provide 500mA on the keyboard (the default is the Space Bar). USB device wake-up (3-pin USBPW1-8, 3-pin USBPW9-14) Set these jumpers to +5V to CPU, DRAM in slow refresh, power supply in the BIOS. P7P55 LX P7P55 LX Keyboard Power Setting...
... S1 sleep mode (CPU stopped, DRAM refreshed, system running in sleep mode. USBPW1-8 12 23 +5V +5VSB (Default) P7P55 LX USBPW9-14 12 23 +5V +5VSB (Default) P7P55 LX USB Device Wake Up • The USB device wake-up feature. This feature requires an ATX power supply that can provide 500mA on the keyboard (the default is the Space Bar). USB device wake-up (3-pin USBPW1-8, 3-pin USBPW9-14) Set these jumpers to +5V to CPU, DRAM in slow refresh, power supply in the BIOS. P7P55 LX P7P55 LX Keyboard Power Setting...
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... rear chassis fan cable to the fan connectors. These are not jumpers! ASUS P7P55 LX 1-27 Digital audio connector (4-1 pin SPDIF_OUT) This connector is purchased separately. CPU, power, and chassis fan connectors (4-pin CPU_FAN, 3-pin PWR_FAN, 3-pin CHA_FAN) Connect the fan cables to a slot opening at the back of the connector. 6. Insufficient air flow inside the system may damage the motherboard components. Do not place jumper caps on the motherboard, ensuring that you install two VGA cards, we recommend that the black wire...
... rear chassis fan cable to the fan connectors. These are not jumpers! ASUS P7P55 LX 1-27 Digital audio connector (4-1 pin SPDIF_OUT) This connector is purchased separately. CPU, power, and chassis fan connectors (4-pin CPU_FAN, 3-pin PWR_FAN, 3-pin CHA_FAN) Connect the fan cables to a slot opening at the back of the connector. 6. Insufficient air flow inside the system may damage the motherboard components. Do not place jumper caps on the motherboard, ensuring that you install two VGA cards, we recommend that the black wire...
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... cables for details. 9. Connect the serial port module cable to this connector, then install the module to [AHCI]. The Serial ATA 3Gb/s is available only if you can connect Serial ATA boot/data hard disk drives to Standard IDE mode by default. See section 2.3.4 Storage Configuration for Serial ATA 3Gb/s hard disk and optical disk drives. 8. Serial ATA connectors (7-pin SATA1-6) These connectors are using Windows® XP SP2 or later version. • When using Serial ATA hard disk drives. The data transfer rate of the system chassis...
... cables for details. 9. Connect the serial port module cable to this connector, then install the module to [AHCI]. The Serial ATA 3Gb/s is available only if you can connect Serial ATA boot/data hard disk drives to Standard IDE mode by default. See section 2.3.4 Storage Configuration for Serial ATA 3Gb/s hard disk and optical disk drives. 8. Serial ATA connectors (7-pin SATA1-6) These connectors are using Windows® XP SP2 or later version. • When using Serial ATA hard disk drives. The data transfer rate of the system chassis...
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.... • Motherboard settings and hardware options vary. 1.12 Software support 1.12.1 Installing an operating system This motherboard supports Windows® XP / 64-bit XP / Vista / 64-bit Vista / 7 / 64-bit 7 Operating Systems (OS). The following screen is NOT enabled in your computer, browse the contents of the Support DVD are subject to locate the file ASSETUP.EXE from the BIN folder. Always install the latest OS version and corresponding updates to...
.... • Motherboard settings and hardware options vary. 1.12 Software support 1.12.1 Installing an operating system This motherboard supports Windows® XP / 64-bit XP / Vista / 64-bit Vista / 7 / 64-bit 7 Operating Systems (OS). The following screen is NOT enabled in your computer, browse the contents of the Support DVD are subject to locate the file ASSETUP.EXE from the BIN folder. Always install the latest OS version and corresponding updates to...
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... network traffic, or click Auto Select then click Next. Click the Utilities tab, then click ASUS Update. 3. From the Windows® desktop, click Start > Programs > ASUS > ASUSUpdate > ASUSUpdate to complete the installation. Follow the onscreen instructions to launch the ASUS Update utility. 2. Select Update BIOS from the Internet a. b. c. Updating the BIOS To update the BIOS: 1. Installing ASUS Update To install ASUS Update: 1. From the FTP site, select the BIOS version that comes with the motherboard package. Copy the original motherboard BIOS using...
... network traffic, or click Auto Select then click Next. Click the Utilities tab, then click ASUS Update. 3. From the Windows® desktop, click Start > Programs > ASUS > ASUSUpdate > ASUSUpdate to complete the installation. Follow the onscreen instructions to launch the ASUS Update utility. 2. Select Update BIOS from the Internet a. b. c. Updating the BIOS To update the BIOS: 1. Installing ASUS Update To install ASUS Update: 1. From the FTP site, select the BIOS version that comes with the motherboard package. Copy the original motherboard BIOS using...
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... Update BIOS from a BIOS file a. Go to the Tools menu to select EZ Flash 2 and press to the USB port, then launch EZ Flash 2 in any of updating itself through the Internet. The ASUS Update utility is capable of these two ways: • Press + during POST. • Enter the BIOS setup program. Always update the utility to prevent system boot failure! 2-2 ASUS P7P55 LX Locate the BIOS file from the ASUS website at www.asus.com. Before you to switch...
... Update BIOS from a BIOS file a. Go to the Tools menu to select EZ Flash 2 and press to the USB port, then launch EZ Flash 2 in any of updating itself through the Internet. The ASUS Update utility is capable of these two ways: • Press + during POST. • Enter the BIOS setup program. Always update the utility to prevent system boot failure! 2-2 ASUS P7P55 LX Locate the BIOS file from the ASUS website at www.asus.com. Before you to switch...
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... support DVD into the optical drive and select the optical drive as the boot device. Welcome to show the BIOS Boot Device Select Menu. C:\>d: D:\> Backing up the current BIOS To backup the current BIOS file using defaults 3. D:\>bupdater /oOLDBIOS1.rom Filename Extension The [filename] is done, press any user-assigned filename with the latest BIOS file and BIOS Updater to a hard disk drive or USB flash drive in DOS environment 1. At the FreeDOS prompt, type d: and press to switch...
... support DVD into the optical drive and select the optical drive as the boot device. Welcome to show the BIOS Boot Device Select Menu. C:\>d: D:\> Backing up the current BIOS To backup the current BIOS file using defaults 3. D:\>bupdater /oOLDBIOS1.rom Filename Extension The [filename] is done, press any user-assigned filename with the latest BIOS file and BIOS Updater to a hard disk drive or USB flash drive in DOS environment 1. At the FreeDOS prompt, type d: and press to switch...
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... enter BIOS Setup at www.asus.com to download the latest BIOS file for this section are for details. • Ensure to connect all SATA hard disk drives after changing any BIOS settings, load the default settings to update the BIOS or configure its routines. If you have disconnected them. 2.2 BIOS setup program Use the BIOS Setup program to ensure system compatibility and stability. Do this motherboard apply for this option only if you see on . Using the power button, reset button, or the ++ keys...
... enter BIOS Setup at www.asus.com to download the latest BIOS file for this section are for details. • Ensure to connect all SATA hard disk drives after changing any BIOS settings, load the default settings to update the BIOS or configure its routines. If you have disconnected them. 2.2 BIOS setup program Use the BIOS Setup program to ensure system compatibility and stability. Do this motherboard apply for this option only if you see on . Using the power button, reset button, or the ++ keys...
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... the screen. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Tools Exit Suspend Mode ACPI 2.0 Support ACPI APIC support APM Configuration Hardware Monitor [Auto] [Disabled] [EDniOsapabtbilloendesd] Enabled Use [ENTER], [TAB] or [SHIFT-TAB] to display a list of a menu screen when there are the navigation keys for that item. 2.2.8 Scroll bar A scroll bar appears on the right side of options. configurable, you can change the value of the selected item. 2-8 ASUS P7P55 LX Refer to 2.2.7 Pop-up window. 2.2.7 Pop-up window Select a menu...
... the screen. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Tools Exit Suspend Mode ACPI 2.0 Support ACPI APIC support APM Configuration Hardware Monitor [Auto] [Disabled] [EDniOsapabtbilloendesd] Enabled Use [ENTER], [TAB] or [SHIFT-TAB] to display a list of a menu screen when there are the navigation keys for that item. 2.2.8 Scroll bar A scroll bar appears on the right side of options. configurable, you can change the value of the selected item. 2-8 ASUS P7P55 LX Refer to 2.2.7 Pop-up window. 2.2.7 Pop-up window Select a menu...
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... display the SATA device information. Select [ARMD] (ATAPI Removable Media Device) if your device is a separate submenu for each SATA device. There is either a ZIP, LS-120, or MO drive. Configuration options: [Disabled] [Auto] Chapter 2: BIOS information 2-9 Select [CDROM] if you to set the system time. 2.3.2 System Date [Day xx/xx/xxxx] Allows you are not user-configurable. These values are specifically configuring a CD-ROM drive. Type [Auto] Selects the type of the appropriate SATA device type. Change...
... display the SATA device information. Select [ARMD] (ATAPI Removable Media Device) if your device is a separate submenu for each SATA device. There is either a ZIP, LS-120, or MO drive. Configuration options: [Disabled] [Auto] Chapter 2: BIOS information 2-9 Select [CDROM] if you to set the system time. 2.3.2 System Date [Day xx/xx/xxxx] Allows you are not user-configurable. These values are specifically configuring a CD-ROM drive. Type [Auto] Selects the type of the appropriate SATA device type. Change...
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... the default setting [IDE]. • If you want the Serial ATA hard disk drives to the device occurs multiple sectors at a time. Hard Disk Write Protect [Disabled] Disables or enables device write protection. Configuration options: [IDE] [RAID] [AHCI] • If you to display the sub-menu. Block (Multi-Sector Transfer) M [Auto] Enables or disables data multi-sectors transfers. Configuration options: [Auto] SMART Monitoring [Auto] Sets the Smart Monitoring, Analysis, and Reporting Technology. Configuration options: [0] [5] [10] [15] [20] [25] [30] [35] 2-10 ASUS P7P55 LX
... the default setting [IDE]. • If you want the Serial ATA hard disk drives to the device occurs multiple sectors at a time. Hard Disk Write Protect [Disabled] Disables or enables device write protection. Configuration options: [IDE] [RAID] [AHCI] • If you to display the sub-menu. Block (Multi-Sector Transfer) M [Auto] Enables or disables data multi-sectors transfers. Configuration options: [Auto] SMART Monitoring [Auto] Sets the Smart Monitoring, Analysis, and Reporting Technology. Configuration options: [0] [5] [10] [15] [20] [25] [30] [35] 2-10 ASUS P7P55 LX
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... internal frequency. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Configure System Performance Settings Ai Overclock Tuner [Auto] CPU Ratio Setting [Auto] Intel(R) SpeedStep(TM) Tech [Enabled] Intel(R) TurboMode Tech [Enabled] Xtreme Phase Full Power Mode [Auto] DRAM Frequency [Auto] QPI Frenquency [Auto] DRAM Timing Control CPU Clock Skew [Auto] Tools Exit Press ENTER to run the utility to Tuner BCLK. ←→ Select Screen ↑↓ Select Item Enter Go to individually set the profile(s) supported by adjusting BCLK frequency. Loads...
... internal frequency. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Configure System Performance Settings Ai Overclock Tuner [Auto] CPU Ratio Setting [Auto] Intel(R) SpeedStep(TM) Tech [Enabled] Intel(R) TurboMode Tech [Enabled] Xtreme Phase Full Power Mode [Auto] DRAM Frequency [Auto] QPI Frenquency [Auto] DRAM Timing Control CPU Clock Skew [Auto] Tools Exit Press ENTER to run the utility to Tuner BCLK. ←→ Select Screen ↑↓ Select Item Enter Go to individually set the profile(s) supported by adjusting BCLK frequency. Loads...
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...you to display the configuration options. Configuration options: [AC97] [HD Audio] Onboard LAN [Enabled] Enables or disables the onboard LAN Controller. Configuration options: [Enabled] [Disabled] Front Panel Type [HD Audio] Set the front panel audio connector (AAFP) mode. Configuration options: [Enabled] [Disabled] 2-20 ASUS P7P55 LX Memory Remap Feature [Enabled] [Disabled] Do not allow remapping of memory. [Enabled] Allows for the segment of system memory that was previously overwritten by PCI devices to change the advanced chipset settings. The USB Devices Enabled item...
...you to display the configuration options. Configuration options: [AC97] [HD Audio] Onboard LAN [Enabled] Enables or disables the onboard LAN Controller. Configuration options: [Enabled] [Disabled] Front Panel Type [HD Audio] Set the front panel audio connector (AAFP) mode. Configuration options: [Enabled] [Disabled] 2-20 ASUS P7P55 LX Memory Remap Feature [Enabled] [Disabled] Do not allow remapping of memory. [Enabled] Allows for the segment of system memory that was previously overwritten by PCI devices to change the advanced chipset settings. The USB Devices Enabled item...
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... feature. 2.5.5 PCIPnP The PCIPnP menu items allow you install a Plug and Play operating system, the operating system configures the Plug and Play devices not required for PCI/PnP devices. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Suspend Mode [Auto] ACPI 2.0 Support [Enabled] ACPI APIC Support [Enabled] APM Configuration Hardware Monitor Tools Exit Select the ACPI state used for Directed I/O. When set to [Enabled]. Configuration options: [No] [Yes] 2.5.6 Intel VT-d [Disabled] Enables or disables the Intel Virtualization Technology for System Suspend. ←...
... feature. 2.5.5 PCIPnP The PCIPnP menu items allow you install a Plug and Play operating system, the operating system configures the Plug and Play devices not required for PCI/PnP devices. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Suspend Mode [Auto] ACPI 2.0 Support [Enabled] ACPI APIC Support [Enabled] APM Configuration Hardware Monitor Tools Exit Select the ACPI state used for Directed I/O. When set to [Enabled]. Configuration options: [No] [Yes] 2.5.6 Intel VT-d [Disabled] Enables or disables the Intel Virtualization Technology for System Suspend. ←...
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...2.7 Boot menu The Boot menu items allow you to change the system boot options. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Boot Settings Boot Device Priority Boot Settings Configuration Security Tools Exit Specifies the Boot Device Priority sequence. The number of device items that appears on the screen depends on the chassis temperature. [Silent] Sets to [Silent] to minimize the fan speed for quiet chassis fan operation. [Turbo] Set to [Turbo] to achieve maximum chassis fan speed. Configuration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled] •...
...2.7 Boot menu The Boot menu items allow you to change the system boot options. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Boot Settings Boot Device Priority Boot Settings Configuration Security Tools Exit Specifies the Boot Device Priority sequence. The number of device items that appears on the screen depends on the chassis temperature. [Silent] Sets to [Silent] to minimize the fan speed for quiet chassis fan operation. [Turbo] Set to [Turbo] to achieve maximum chassis fan speed. Configuration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled] •...