User Manual
Page 4
Contents Chapter 2: BIOS setup 2-1 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 CrashFree BIOS 3 utility 2-3 2.1.4 ASUS BIOS Updater 2-4 2.2 BIOS setup program 2-7 Entering BIOS Setup at startup 2-7 Entering BIOS Setup after POST 2-7 2.3 ...11 2.4.3 CPU Ratio Setting 2-12 2.4.4 Intel(R) SpeedStep(TM) Tech 2-12 2.4.5 Intel(R) TurboMode Tech 2-12 2.4.6 Xtreme Phase Full Power Mode 2-12 2.4.7 DRAM Frequency 2-12 2.4.8 QPI Frequency 2-12 2.4.9 DRAM Timing Control 2-13 2.4.10 CPU Differential Amplitude 2-14 2.4....
Contents Chapter 2: BIOS setup 2-1 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 CrashFree BIOS 3 utility 2-3 2.1.4 ASUS BIOS Updater 2-4 2.2 BIOS setup program 2-7 Entering BIOS Setup at startup 2-7 Entering BIOS Setup after POST 2-7 2.3 ...11 2.4.3 CPU Ratio Setting 2-12 2.4.4 Intel(R) SpeedStep(TM) Tech 2-12 2.4.5 Intel(R) TurboMode Tech 2-12 2.4.6 Xtreme Phase Full Power Mode 2-12 2.4.7 DRAM Frequency 2-12 2.4.8 QPI Frequency 2-12 2.4.9 DRAM Timing Control 2-13 2.4.10 CPU Differential Amplitude 2-14 2.4....
User Manual
Page 5
... 2-16 2.5.2 Uncore Configuration 2-18 2.5.3 Onboard Devices Configuration 2-18 2.5.4 USB Configuration 2-19 2.5.5 PCIPnP 2-19 2.5.6 Intel VT-d Configuration 2-19 2.6 Power menu 2-20 2.6.1 Suspend Mode 2-20 2.6.2 Repost Video on S3 Resume 2-20 2.6.3 ACPI 2.0 Support 2-20 2.6.4 ACPI APIC Support 2-20 2.6.5 EuP... 2-23 2.7.1 Boot Device Priority 2-23 2.7.2 Boot Settings Configuration 2-23 2.7.3 Security 2-24 2.8 Tools menu 2-25 2.8.1 ASUS O.C. Profile 2-25 2.8.2 AI NET 2 2-26 2.8.3 ASUS EZ Flash 2 2-26 2.8.4 Express Gate 2-26 2.8.5 IO Levelup 2-26 2.9 Exit menu 2-27
... 2-16 2.5.2 Uncore Configuration 2-18 2.5.3 Onboard Devices Configuration 2-18 2.5.4 USB Configuration 2-19 2.5.5 PCIPnP 2-19 2.5.6 Intel VT-d Configuration 2-19 2.6 Power menu 2-20 2.6.1 Suspend Mode 2-20 2.6.2 Repost Video on S3 Resume 2-20 2.6.3 ACPI 2.0 Support 2-20 2.6.4 ACPI APIC Support 2-20 2.6.5 EuP... 2-23 2.7.1 Boot Device Priority 2-23 2.7.2 Boot Settings Configuration 2-23 2.7.3 Security 2-24 2.8 Tools menu 2-25 2.8.1 ASUS O.C. Profile 2-25 2.8.2 AI NET 2 2-26 2.8.3 ASUS EZ Flash 2 2-26 2.8.4 Express Gate 2-26 2.8.5 IO Levelup 2-26 2.9 Exit menu 2-27
User Manual
Page 7
... and temperature extremes. vii If you are not sure about the voltage of the electrical outlet you are using, contact your local power company. • If the power supply is set to the correct voltage in any damage, contact your area. If you detect any area where it may become ...wet. • Place the product on it by yourself. If possible, disconnect all power cables from the existing system before you encounter technical problems with the package. • Before using the product, ensure all cables are correctly connected and...
... and temperature extremes. vii If you are not sure about the voltage of the electrical outlet you are using, contact your local power company. • If the power supply is set to the correct voltage in any damage, contact your area. If you detect any area where it may become ...wet. • Place the product on it by yourself. If possible, disconnect all power cables from the existing system before you encounter technical problems with the package. • Before using the product, ensure all cables are correctly connected and...
User Manual
Page 11
...WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE Drivers ASUS Utilities ASUS Update Anti-virus software (OEM version) Form Factor ATX Form Factor, 12"x 8.6" (30.5cm x 21.8cm) *Specifications are subject to change without notice. P7P55D-E LX specifications summary Back Panel I/O Ports 1 x PS/2 Keyboard port (Purple)...6 USB ports 1 x IDE connector 2 x SATA 6.0Gb/s connectors (gray) 6 x SATA 3.0Gb/s connectors 1 x CPU Fan connector 2 x Chassis Fan connectors (1 x 4-pin, 1 x 3-pin) 1 x Power Fan connector 1 x COM port connector 1 x Front panel audio connector 1 x S/PDIF Out Header 1 x 24-pin ATX...
...WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE Drivers ASUS Utilities ASUS Update Anti-virus software (OEM version) Form Factor ATX Form Factor, 12"x 8.6" (30.5cm x 21.8cm) *Specifications are subject to change without notice. P7P55D-E LX specifications summary Back Panel I/O Ports 1 x PS/2 Keyboard port (Purple)...6 USB ports 1 x IDE connector 2 x SATA 6.0Gb/s connectors (gray) 6 x SATA 3.0Gb/s connectors 1 x CPU Fan connector 2 x Chassis Fan connectors (1 x 4-pin, 1 x 3-pin) 1 x Power Fan connector 1 x COM port connector 1 x Front panel audio connector 1 x S/PDIF Out Header 1 x 24-pin ATX...
User Manual
Page 13
... support DVD User manual If any of ASUS quality motherboards! IO Level UP Turn on it another standout in the world. Intel® Lynnfield / Clarkdale processor is the latest one of the most powerful and energy efficient CPU in the long line of the above ...Intel® Lynnfield / Clarkdale processors in your package with the list below. 1.2 Package contents Check your motherboard package for buying an ASUS® P7P55D-E LX motherboard! ASUS P7P55D-E LX 1-1 Thank you start installing the motherboard, and hardware devices on IO Level UP to boost the USB 3.0 or SATA 6Gb/s data...
... support DVD User manual If any of ASUS quality motherboards! IO Level UP Turn on it another standout in the world. Intel® Lynnfield / Clarkdale processor is the latest one of the most powerful and energy efficient CPU in the long line of the above ...Intel® Lynnfield / Clarkdale processors in your package with the list below. 1.2 Package contents Check your motherboard package for buying an ASUS® P7P55D-E LX motherboard! ASUS P7P55D-E LX 1-1 Thank you start installing the motherboard, and hardware devices on IO Level UP to boost the USB 3.0 or SATA 6Gb/s data...
User Manual
Page 14
..., get enhanced scalability, faster data retrieval, double the bandwidth of current bus systems. 1.4 Before you proceed Take note of the chassis as the power supply case, to avoid damaging them . • Whenever you uninstall any component. • Before handling components, use a grounded wrist strap or...screws into the chassis in the bag that you install motherboard components or change any motherboard settings. • Unplug the power cord from the power supply. The edge with external ports goes to the rear part of the following precautions before touching any component, place it...
..., get enhanced scalability, faster data retrieval, double the bandwidth of current bus systems. 1.4 Before you proceed Take note of the chassis as the power supply case, to avoid damaging them . • Whenever you uninstall any component. • Before handling components, use a grounded wrist strap or...screws into the chassis in the bag that you install motherboard components or change any motherboard settings. • Unplug the power cord from the power supply. The edge with external ports goes to the rear part of the following precautions before touching any component, place it...
User Manual
Page 15
ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 3. System panel connector (20-8 pin PANEL) 1-22 10. 1.5.3 Motherboard layout Ensure that you install the motherboard into the chassis ... (7-pin SATA 1-6) 8. Clear RTC RAM (3-pin CLRTC) 1-18 1-19 13. DDR3 DIMM slots CPU, chassis, and power fan connectors 4. (4-pin CPU_FAN, 4-pin CHA_FAN1, 3-pin CHA_FAN2, 3-pin PWR_FAN) 5. MemOK! Serial port connector (10-1 pin COM1) 1-25 ASUS P7P55D-E LX 1-3 USB connectors (10-1 pin USB910, USB1112, USB1314) 1-9 11. JMicron® JMB361 IDE Connector (40-1 pin PRI_IDE...
ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 3. System panel connector (20-8 pin PANEL) 1-22 10. 1.5.3 Motherboard layout Ensure that you install the motherboard into the chassis ... (7-pin SATA 1-6) 8. Clear RTC RAM (3-pin CLRTC) 1-18 1-19 13. DDR3 DIMM slots CPU, chassis, and power fan connectors 4. (4-pin CPU_FAN, 4-pin CHA_FAN1, 3-pin CHA_FAN2, 3-pin PWR_FAN) 5. MemOK! Serial port connector (10-1 pin COM1) 1-25 ASUS P7P55D-E LX 1-3 USB connectors (10-1 pin USB910, USB1112, USB1314) 1-9 11. JMicron® JMB361 IDE Connector (40-1 pin PRI_IDE...
User Manual
Page 16
ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with a surface mount LGA1156 socket designed for the Intel® Core™ i7 / Core™ i5 / Core™ i3 Processors. To prevent damage to the PnP cap/socket contacts/motherboard components. Ensure that all power...Contact your thumb (A), and then move it is shipment/transit-related. • Keep the cap after installing the motherboard. ASUS will shoulder the cost of repair only if the damage is released from incorrect CPU installation/removal, or misplacement/loss/incorrect removal...
ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with a surface mount LGA1156 socket designed for the Intel® Core™ i7 / Core™ i5 / Core™ i3 Processors. To prevent damage to the PnP cap/socket contacts/motherboard components. Ensure that all power...Contact your thumb (A), and then move it is shipment/transit-related. • Keep the cap after installing the motherboard. ASUS will shoulder the cost of repair only if the damage is released from incorrect CPU installation/removal, or misplacement/loss/incorrect removal...
User Manual
Page 21
... but is notched differently to prevent installation on a DDR2 DIMM socket. Two DIMMs (dual-channel operation): Four DIMMs (dual-channel operation): ASUS P7P55D-E LX 1-9 1.7 System memory 1.7.1 Overview The motherboard comes with less power consumption. DDR3 modules are developed for better performance with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A DDR3...
... but is notched differently to prevent installation on a DDR2 DIMM socket. Two DIMMs (dual-channel operation): Four DIMMs (dual-channel operation): ASUS P7P55D-E LX 1-9 1.7 System memory 1.7.1 Overview The motherboard comes with less power consumption. DDR3 modules are developed for better performance with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A DDR3...
User Manual
Page 24
...SLZ3128M8-EDJ Asint SLZ3128M8-EDJE ASUS N/A BUFFALO FSX1333D3G-1G BUFFALO FSH1333D3G-T3G(XMP) BUFFALO FSX1333D3G-2G Patriot PDC32G1333LLK Patriot PVT33G1333ELK Patriot PVS34G1333ELK Patriot PVS34G1333LLK Patriot PVT36G1333ELK Silicon Power SP001GBLTU133S02 Silicon Power SP002GBLTU133S02 1024MB SS ELPIDA ...9(1333-9-9-9-24) •• • 9(1333-9-9-9-24) •• • 1-12 Chapter 1: Product introduction P7P55D-E LX Motherboard Qualified Vendors Lists (QVL) DDR3-1333MHz capability for CPU at 2.66, 2.8 and 2.93GHz (continued) Vendor Part No.
...SLZ3128M8-EDJ Asint SLZ3128M8-EDJE ASUS N/A BUFFALO FSX1333D3G-1G BUFFALO FSH1333D3G-T3G(XMP) BUFFALO FSX1333D3G-2G Patriot PDC32G1333LLK Patriot PVT33G1333ELK Patriot PVS34G1333ELK Patriot PVS34G1333LLK Patriot PVT36G1333ELK Silicon Power SP001GBLTU133S02 Silicon Power SP002GBLTU133S02 1024MB SS ELPIDA ...9(1333-9-9-9-24) •• • 9(1333-9-9-9-24) •• • 1-12 Chapter 1: Product introduction P7P55D-E LX Motherboard Qualified Vendors Lists (QVL) DDR3-1333MHz capability for CPU at 2.66, 2.8 and 2.93GHz (continued) Vendor Part No.
User Manual
Page 29
Unplug the power cord before adding or removing expansion cards. Keep the screw for the expansion card. 1.8.3 PCI slots The PCI slots support cards such as a LAN card, ... is already installed in a chassis). 3. The following sub‑sections describe the slot and the expansion cards that you removed earlier. 6. Refer to the card. 3. ASUS P7P55D-E LX 1-17
Unplug the power cord before adding or removing expansion cards. Keep the screw for the expansion card. 1.8.3 PCI slots The PCI slots support cards such as a LAN card, ... is already installed in a chassis). 3. The following sub‑sections describe the slot and the expansion cards that you removed earlier. 6. Refer to the card. 3. ASUS P7P55D-E LX 1-17
User Manual
Page 30
... Real Time Clock (RTC) RAM in CMOS, which include system setup information such as system passwords. The onboard button cell battery powers the RAM data in CMOS. Plug the power cord and turn off is required to re-enter data. For system failure due to clear the CMOS RTC RAM data. You... boot process and enter BIOS setup to enable C.P.R. function. You can automatically reset parameter settings to default values. • Due to the chipset behavior, AC power off and on CLRTC jumper default position. To erase the RTC RAM: 1. Turn OFF the computer and unplug the...
... Real Time Clock (RTC) RAM in CMOS, which include system setup information such as system passwords. The onboard button cell battery powers the RAM data in CMOS. Plug the power cord and turn off is required to re-enter data. For system failure due to clear the CMOS RTC RAM data. You... boot process and enter BIOS setup to enable C.P.R. function. You can automatically reset parameter settings to default values. • Due to the chipset behavior, AC power off and on CLRTC jumper default position. To erase the RTC RAM: 1. Turn OFF the computer and unplug the...
User Manual
Page 31
... We recommend that are incompatible with ones recommended in the Memory QVL (Qualified Vendors Lists) in this user manual or on the ASUS website at www.asus.com after using the MemOK! MemOK! switch to fine-tune performance when working on the computer. switch under Windows™ OS ..., turn off the computer and unplog the power cord for about 5-10 seconds. • If your system fail to boot due to BIOS overclocking, press the MemOK! 1.10 Onboard switches Onboard switch allows you to boot and load BIOS default settings. This is not properly installed. ASUS P7P55D-E LX 1-19
... We recommend that are incompatible with ones recommended in the Memory QVL (Qualified Vendors Lists) in this user manual or on the ASUS website at www.asus.com after using the MemOK! MemOK! switch to fine-tune performance when working on the computer. switch under Windows™ OS ..., turn off the computer and unplog the power cord for about 5-10 seconds. • If your system fail to boot due to BIOS overclocking, press the MemOK! 1.10 Onboard switches Onboard switch allows you to boot and load BIOS default settings. This is not properly installed. ASUS P7P55D-E LX 1-19
User Manual
Page 34
...the black wire of each cable matches the ground pin of 600 W. • Do not forget to the Recommended Power Supply Wattage Calculator at http://support.asus. Insufficient air flow inside the system may damage the motherboard components. Do not place jumper caps on the motherboard, ...ensuring that you are designed to the fan connectors. These are for ATX power supply plugs. ATX power connectors (24-pin EATXPWR, ...
...the black wire of each cable matches the ground pin of 600 W. • Do not forget to the Recommended Power Supply Wattage Calculator at http://support.asus. Insufficient air flow inside the system may damage the motherboard components. Do not place jumper caps on the motherboard, ...ensuring that you are designed to the fan connectors. These are for ATX power supply plugs. ATX power connectors (24-pin EATXPWR, ...
User Manual
Page 36
...mode. • Hard disk drive activity LED (2-pin IDE_LED) This 2-pin connector is for the chassis-mounted reset button for the system power button. The system power LED lights up or flashes when data is read from or written to the HDD. • System warning speaker (4-pin SPEAKER) This... 4-pin connector is for the chassis-mounted system warning speaker. In Standard IDE mode, you turn on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF. • Reset button (2-pin RESET) This 2-pin connector...
...mode. • Hard disk drive activity LED (2-pin IDE_LED) This 2-pin connector is for the chassis-mounted reset button for the system power button. The system power LED lights up or flashes when data is read from or written to the HDD. • System warning speaker (4-pin SPEAKER) This... 4-pin connector is for the chassis-mounted system warning speaker. In Standard IDE mode, you turn on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF. • Reset button (2-pin RESET) This 2-pin connector...
User Manual
Page 40
... until the problem is found , the LED next to locate the root problem within seconds. Standby power LED The motherboard comes with a standby power LED that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the...
... until the problem is found , the LED next to locate the root problem within seconds. Standby power LED The motherboard comes with a standby power LED that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the...
User Manual
Page 45
...BIOS file and starts flashing the corrupted BIOS file. 4. Turn off the system after the utility completes the updating process and power on the ASUS official website. To ensure system compatibility and stability, we recommend that you to restore the BIOS file when it to load ... can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that allows you press to a USB flash drive. ASUS P7P55D-E LX 2-3 The utility automatically checks the devices for the BIOS file. When the correct BIOS file is an auto recovery tool that contains the BIOS file...
...BIOS file and starts flashing the corrupted BIOS file. 4. Turn off the system after the utility completes the updating process and power on the ASUS official website. To ensure system compatibility and stability, we recommend that you to restore the BIOS file when it to load ... can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that allows you press to a USB flash drive. ASUS P7P55D-E LX 2-3 The utility automatically checks the devices for the BIOS file. When the correct BIOS file is an auto recovery tool that contains the BIOS file...
User Manual
Page 49
... and BIOS language in this option only if you in this section are for information on . Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot System Time [13:51:25] System Date [Wed 12/02/2009] Language [English] SATA1 SATA2 SATA3 SATA4 SATA5 SATA6 Storage ...Detected] [ATAPI DVD DH1] [Not Detected] [Not Detected] [Not Detected] Tools Exit Use [ENTER], [TAB] or [SHIFT-TAB] to configure system Date. ASUS P7P55D-E LX 2-7 Do this menu. 2.2 BIOS setup program Use the BIOS Setup program to update the BIOS or configure its routines. If the system becomes unstable after...
... and BIOS language in this option only if you in this section are for information on . Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot System Time [13:51:25] System Date [Wed 12/02/2009] Language [English] SATA1 SATA2 SATA3 SATA4 SATA5 SATA6 Storage ...Detected] [ATAPI DVD DH1] [Not Detected] [Not Detected] [Not Detected] Tools Exit Use [ENTER], [TAB] or [SHIFT-TAB] to configure system Date. ASUS P7P55D-E LX 2-7 Do this menu. 2.2 BIOS setup program Use the BIOS Setup program to update the BIOS or configure its routines. If the system becomes unstable after...
User Manual
Page 52
...Allows you select a CPU level. Select a CPU level, and the rest will be auto-adjusted. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Tools Exit Configure System Performance Settings CPU Level UP [Auto 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 Frequency [Auto] Warning: this chapter vary depending on the CPU and DIMM model you install on ...
...Allows you select a CPU level. Select a CPU level, and the rest will be auto-adjusted. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Tools Exit Configure System Performance Settings CPU Level UP [Auto 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 Frequency [Auto] Warning: this chapter vary depending on the CPU and DIMM model you install on ...
User Manual
Page 54
... to DDR3 1333. When set the QuickPath Interconnect (QPI) frequency. Configuration options: [Disabled] [Enabled] 2.4.6 [Auto] [Enabled] Xtreme Phase Full Power Mode [Auto] Automatic configuration. If this happens, revert to the default setting. 2.4.8 QPI Frequency [Auto] Allows you to set the CPU Ratio ...Setting item to [Auto]. Turbo mode allows processor cores to run faster than marked frequency in BIOS. Enables Full Power Mode to adjust the PCIE frequency. Use the and keys to become unstable! Configuration options: [Auto] [DDR3-800MHz] [DDR3-1066MHz] ...
... to DDR3 1333. When set the QuickPath Interconnect (QPI) frequency. Configuration options: [Disabled] [Enabled] 2.4.6 [Auto] [Enabled] Xtreme Phase Full Power Mode [Auto] Automatic configuration. If this happens, revert to the default setting. 2.4.8 QPI Frequency [Auto] Allows you to set the CPU Ratio ...Setting item to [Auto]. Turbo mode allows processor cores to run faster than marked frequency in BIOS. Enables Full Power Mode to adjust the PCIE frequency. Use the and keys to become unstable! Configuration options: [Auto] [DDR3-800MHz] [DDR3-1066MHz] ...