User Manual
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... 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 Main menu 2-7 2.3.1 SATA 1-6 2-8 2.3.2 Storage Configuration 2-8 2.3.3 AHCI Configuration 2-9 2.3.4 System Information 2-9 2.4 Ai Tweaker menu 2-10 2.4.1 CPU Level Up 2-10 2.4.2 Ai Overclock Tuner 2-11 2.4.3 CPU Ratio Setting 2-12 2.4.4 Intel(R) SpeedStep...
... 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 Main menu 2-7 2.3.1 SATA 1-6 2-8 2.3.2 Storage Configuration 2-8 2.3.3 AHCI Configuration 2-9 2.3.4 System Information 2-9 2.4 Ai Tweaker menu 2-10 2.4.1 CPU Level Up 2-10 2.4.2 Ai Overclock Tuner 2-11 2.4.3 CPU Ratio Setting 2-12 2.4.4 Intel(R) SpeedStep...
User Manual
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... and Turbo Key ASUS Exclusive Features - MemOK! - vCore: Adjustable CPU voltage at 1MHz increment Overclocking Protection: - ASUS Fanless Design: Stylish Heat-sink solution - ASUS Noise Filter ASUS EZ DIY: - PCI Express frequency tuning from 80MHz up to 500MHz at 0.02V increment - P7P55D-E LX specifications summary ASUS Q-Design ASUS Unique Features ASUS Exclusive Overclocking Features ASUS Q-LED (DRAM) ASUS Q-Slot ASUS Q-DIMM ASUS IO Level UP for...
... and Turbo Key ASUS Exclusive Features - MemOK! - vCore: Adjustable CPU voltage at 1MHz increment Overclocking Protection: - ASUS Fanless Design: Stylish Heat-sink solution - ASUS Noise Filter ASUS EZ DIY: - PCI Express frequency tuning from 80MHz up to 500MHz at 0.02V increment - P7P55D-E LX specifications summary ASUS Q-Design ASUS Unique Features ASUS Exclusive Overclocking Features ASUS Q-LED (DRAM) ASUS Q-Slot ASUS Q-DIMM ASUS IO Level UP for...
User Manual
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...memory if you are supported for one DIMM per channel only. • According to Intel CPU spec, DIMM voltage below 1.65V is then mapped for single-channel operation. • Due to section Ai Overclock Tuner for the OS can be about 3GB or less. Use a maximum of the following... cooling system to section 2.4 Ai Tweaker menu for manual memory frequency adjustment. • For system stability, use DIMMs of the lower-sized channel for overclocking may install varying memory sizes in Channel A and Channel B. Profile feature in Megabit, 8 Megabit/Mb = 1 Megabyte/MB). • The default ...
...memory if you are supported for one DIMM per channel only. • According to Intel CPU spec, DIMM voltage below 1.65V is then mapped for single-channel operation. • Due to section Ai Overclock Tuner for the OS can be about 3GB or less. Use a maximum of the following... cooling system to section 2.4 Ai Tweaker menu for manual memory frequency adjustment. • For system stability, use DIMMs of the lower-sized channel for overclocking may install varying memory sizes in Channel A and Channel B. Profile feature in Megabit, 8 Megabit/Mb = 1 Megabyte/MB). • The default ...
User Manual
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... DIMMs of 3) DS N/A Chip NO. Profile feature in BIOS. P7P55D-E LX Motherboard Qualified Vendors Lists (QVL) DDR3-2000MHz capability for CPU at 2.8 and 2.93GHz Vendor Part No. Size SS/ DS Chip Brand Chip NO. ASUS exclusively provides two DDR3-1600 DIMM support for one pair of Dual-channel... • According to Intel spec definition, DDR3-1600 is supported for each memory channel. • According to section 2.4.2 Ai Overclock Tuner for details. • Visit the ASUS website for the latest QVL. 1-16 Chapter 1: Product introduction Single-sided DS - Refer to Intel...
... DIMMs of 3) DS N/A Chip NO. Profile feature in BIOS. P7P55D-E LX Motherboard Qualified Vendors Lists (QVL) DDR3-2000MHz capability for CPU at 2.8 and 2.93GHz Vendor Part No. Size SS/ DS Chip Brand Chip NO. ASUS exclusively provides two DDR3-1600 DIMM support for one pair of Dual-channel... • According to Intel spec definition, DDR3-1600 is supported for each memory channel. • According to section 2.4.2 Ai Overclock Tuner for details. • Visit the ASUS website for the latest QVL. 1-16 Chapter 1: Product introduction Single-sided DS - Refer to Intel...
User Manual
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... the power cord and turn off is required to enable C.P.R. To erase the RTC RAM: 1. Move the jumper cap from pins 1-2 (default) to overclocking. Except when clearing the RTC RAM, never remove the cap on the power supply or unplug and plug the power cord before rebooting the system... onboard button cell battery powers the RAM data in CMOS. Turn OFF the computer and unplug the power cord. 2. For system failure due to overclocking, use the C.P.R. (CPU Parameter Recall) feature. 1.9 Jumper Clear RTC RAM (3-pin CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in ...
... the power cord and turn off is required to enable C.P.R. To erase the RTC RAM: 1. Move the jumper cap from pins 1-2 (default) to overclocking. Except when clearing the RTC RAM, never remove the cap on the power supply or unplug and plug the power cord before rebooting the system... onboard button cell battery powers the RAM data in CMOS. Turn OFF the computer and unplug the power cord. 2. For system failure due to overclocking, use the C.P.R. (CPU Parameter Recall) feature. 1.9 Jumper Clear RTC RAM (3-pin CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in ...
User Manual
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... will be automatically adjusted according to [Manual] after you select a CPU level. 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).... 2-10 Chapter 2: BIOS information If you want to adjust more, set Ai Overclock Tuner to the selected CPU level. If you want to Manual after selecting a CPU level. Select a CPU level, and the rest will be auto-adjusted. Change Option F1 General Help F10...
... will be automatically adjusted according to [Manual] after you select a CPU level. 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).... 2-10 Chapter 2: BIOS information If you want to adjust more, set Ai Overclock Tuner to the selected CPU level. If you want to Manual after selecting a CPU level. Select a CPU level, and the rest will be auto-adjusted. Change Option F1 General Help F10...
User Manual
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.... ASUS P7P55D-E LX 2-11 Loads settings for the following sub-item vary depending on the DIMMs you to select the X.M.P. D.O.C.P. 2.93 Auto Auto D.O.C.P. • When using CPU Level UP. The configuration options for using DIMMs with a frequncy higher than the Intel® CPU spec, use this item to achieve desired CPU internal frequency. Profile function to overclock...
.... ASUS P7P55D-E LX 2-11 Loads settings for the following sub-item vary depending on the DIMMs you to select the X.M.P. D.O.C.P. 2.93 Auto Auto D.O.C.P. • When using CPU Level UP. The configuration options for using DIMMs with a frequncy higher than the Intel® CPU spec, use this item to achieve desired CPU internal frequency. Profile function to overclock...
User Manual
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...for details. You can also type the desired value using the numeric keypad. Refer to ensure the best CPU overclocking performance. The following two items appear only when you to set the DDR3 operating frequency. Turbo mode allows...[Enabled] Xtreme Phase Full Power Mode [Auto] Automatic configuration. The values range from 100 to 200. 2.4.7 DRAM Frequency [Auto] Allows you set the Ai Overclock Tuner item to [Manual], [D.O.C.P.] or [X.M.P.]. Configuration options: [Auto] [DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333] • The DRAM Frequency configuration options ...
...for details. You can also type the desired value using the numeric keypad. Refer to ensure the best CPU overclocking performance. The following two items appear only when you to set the DDR3 operating frequency. Turbo mode allows...[Enabled] Xtreme Phase Full Power Mode [Auto] Automatic configuration. The values range from 100 to 200. 2.4.7 DRAM Frequency [Auto] Allows you set the Ai Overclock Tuner item to [Manual], [D.O.C.P.] or [X.M.P.]. Configuration options: [Auto] [DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333] • The DRAM Frequency configuration options ...
User Manual
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...when you to the CPU documentation before setting the CPU Vcore voltage. You may need to set the DRAM voltage. 2.4.10 CPU Differential Amplitude [Auto] Different AMP might enhance BCLK overclocking ability. Setting a high VCore voltage may damage the CPU permanently, and setting a... low VCore voltage may help enhancing BCLK overclocking ability. The values range from 0.85V to...
...when you to the CPU documentation before setting the CPU Vcore voltage. You may need to set the DRAM voltage. 2.4.10 CPU Differential Amplitude [Auto] Different AMP might enhance BCLK overclocking ability. Setting a high VCore voltage may damage the CPU permanently, and setting a... low VCore voltage may help enhancing BCLK overclocking ability. The values range from 0.85V to...
User Manual
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... BCLK overclocking ability. Enhances the PCIE overclocking ability. Follow Intel specifications. Sets to [Enabled] for details. • The system may need better cooling system to work stably under high voltage settings. PCIE Spread Spectrum [Auto] Automatic configuration. IMC Voltage DRAM Voltage CPU PLL Voltage...The values of the IMC Voltage, DRAM Voltage, CPU PLL Voltage and PCH Voltage items are labeled in different color, indicating the risk levels of high voltage settings. Sets to set the Platform Controller Hub voltage. ASUS P7P55D-E LX 2-15 The values range from 1.05V to ...
... BCLK overclocking ability. Enhances the PCIE overclocking ability. Follow Intel specifications. Sets to [Enabled] for details. • The system may need better cooling system to work stably under high voltage settings. PCIE Spread Spectrum [Auto] Automatic configuration. IMC Voltage DRAM Voltage CPU PLL Voltage...The values of the IMC Voltage, DRAM Voltage, CPU PLL Voltage and PCH Voltage items are labeled in different color, indicating the risk levels of high voltage settings. Sets to set the Platform Controller Hub voltage. ASUS P7P55D-E LX 2-15 The values range from 1.05V to ...