User Guide
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... Configuration 2-6 2.3.3 AHCI Configuration 2-6 2.3.4 System Information 2-7 2.4 Ai Tweaker menu 2-8 2.4.1 CPU Level Up 2-8 2.4.2 Ai Overclock Tuner 2-9 2.4.3 CPU Ratio Setting 2-9 2.4.4 Intel(R) SpeedStep(TM) Tech 2-10 2.4.5 Intel(R) TurboMode Tech 2-10 2.4.6 Xtreme Phase Full Power Mode 2-10 2.4.7 DRAM Frequency 2-10 2.4.8 QPI Frequency 2-10 2.4.9 ASUS/3rd Party UI Priority 2-10 2.4.10 OC Tuner 2-11 2.4.11 Start auto tuning...
... Configuration 2-6 2.3.3 AHCI Configuration 2-6 2.3.4 System Information 2-7 2.4 Ai Tweaker menu 2-8 2.4.1 CPU Level Up 2-8 2.4.2 Ai Overclock Tuner 2-9 2.4.3 CPU Ratio Setting 2-9 2.4.4 Intel(R) SpeedStep(TM) Tech 2-10 2.4.5 Intel(R) TurboMode Tech 2-10 2.4.6 Xtreme Phase Full Power Mode 2-10 2.4.7 DRAM Frequency 2-10 2.4.8 QPI Frequency 2-10 2.4.9 ASUS/3rd Party UI Priority 2-10 2.4.10 OC Tuner 2-11 2.4.11 Start auto tuning...
User Guide
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... Precision Tweaker 2: - Internal Base Clock tuning from 100MHz up to 200MHz at 1MHz increment - P7H55/USB3 specifications summary ASUS Unique Features ASUS Exclusive Overclocking Features Back Panel I /O (continued on the next page) ASUS EZ Flash 2 - vPCH: 36-step chipset voltage control - ASUS Fan Xpert ASUS EZ DIY: - vDRAM Bus: 64-step DRAM voltage control - Turbo Key II Hybrid...
... Precision Tweaker 2: - Internal Base Clock tuning from 100MHz up to 200MHz at 1MHz increment - P7H55/USB3 specifications summary ASUS Unique Features ASUS Exclusive Overclocking Features Back Panel I /O (continued on the next page) ASUS EZ Flash 2 - vPCH: 36-step chipset voltage control - ASUS Fan Xpert ASUS EZ DIY: - vDRAM Bus: 64-step DRAM voltage control - Turbo Key II Hybrid...
User Guide
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...are using a 32-bit Windows OS. - Install a 64-bit Windows OS when you do any of accessing information from a memory module. ASUS P7H55/USB3 1-9 1.4.2 Memory configurations You may install 1GB, 2GB and 4GB unbuffered and non‑ECC DDR3 DIMMs into the DIMM sockets. • You ...1600 DIMM support for one DIMM per channel only. For effective use a more memory on the motherboard, the actual usable memory for overclocking may install varying memory sizes in BIOS. Profile feature in Channel A and Channel B. For optimum compatibility, we recommend that you install...
...are using a 32-bit Windows OS. - Install a 64-bit Windows OS when you do any of accessing information from a memory module. ASUS P7H55/USB3 1-9 1.4.2 Memory configurations You may install 1GB, 2GB and 4GB unbuffered and non‑ECC DDR3 DIMMs into the DIMM sockets. • You ...1600 DIMM support for one DIMM per channel only. For effective use a more memory on the motherboard, the actual usable memory for overclocking may install varying memory sizes in BIOS. Profile feature in Channel A and Channel B. For optimum compatibility, we recommend that you install...
User Guide
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DIMM socket support (Optional) A* B* C Side(s): SS - Single-sided DS - ASUS P7H55/USB3 1-15 SS MICRON D9KPT SS MICRON D9JNL SS MICRON D9KPT(ECC) DS MICRON D9KPT DS MICRON D9JNL DS MICRON D9KPT(ECC) SS ELPIDA J1108BABG-DJ-E ... can only install one DIMM per channel. • Hyper DIMM support is subject to the physical characteristics of up to section 2.4 Ai Overclock Tuner for details. • Visit the ASUS website for Intel Clarkdale CPU Vendor Part No. DIMM per channel only. To use DIMMs of a higher frequency with a core frequency of...
DIMM socket support (Optional) A* B* C Side(s): SS - Single-sided DS - ASUS P7H55/USB3 1-15 SS MICRON D9KPT SS MICRON D9JNL SS MICRON D9KPT(ECC) DS MICRON D9KPT DS MICRON D9JNL DS MICRON D9KPT(ECC) SS ELPIDA J1108BABG-DJ-E ... can only install one DIMM per channel. • Hyper DIMM support is subject to the physical characteristics of up to section 2.4 Ai Overclock Tuner for details. • Visit the ASUS website for Intel Clarkdale CPU Vendor Part No. DIMM per channel only. To use DIMMs of a higher frequency with a core frequency of...
User Guide
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Turn OFF the computer and unplug the power cord. 2. Move the jumper cap from pins 1-2 (default) to overclocking, use the C.P.R. (CPU Parameter Recall) feature. Plug the power cord and turn ON the computer. 4. After the CMOS clearance, reinstall the battery. • You ...not need to clear the RTC when the system hangs due to default values. 1-18 Chapter 1: Product introduction You can automatically reset parameter settings to overclocking. The onboard button cell battery powers the RAM data in CMOS. Except when clearing the RTC RAM, never remove the cap on pins 2-3 for ...
Turn OFF the computer and unplug the power cord. 2. Move the jumper cap from pins 1-2 (default) to overclocking, use the C.P.R. (CPU Parameter Recall) feature. Plug the power cord and turn ON the computer. 4. After the CMOS clearance, reinstall the battery. • You ...not need to clear the RTC when the system hangs due to default values. 1-18 Chapter 1: Product introduction You can automatically reset parameter settings to overclocking. The onboard button cell battery powers the RAM data in CMOS. Except when clearing the RTC RAM, never remove the cap on pins 2-3 for ...
User Guide
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Turn off the computer and unplog the power cord for about 30 seconds for overclockers and gamers who continually change settings to boot after turning on the computer. switch under ... before using the MemOK! This is not properly installed. switch Installing DIMMs that the BIOS has been restored to BIOS overclocking, press the MemOK! Press and hold the MemOK! Replace the DIMMs with the motherboard may cause system boot failure, ...loads and tests failsafe memory settings. The blinking speed of failsafe settings. function. • Press the MemOK! ASUS P7H55/USB3 1-19 MemOK!
Turn off the computer and unplog the power cord for about 30 seconds for overclockers and gamers who continually change settings to boot after turning on the computer. switch under ... before using the MemOK! This is not properly installed. switch Installing DIMMs that the BIOS has been restored to BIOS overclocking, press the MemOK! Press and hold the MemOK! Replace the DIMMs with the motherboard may cause system boot failure, ...loads and tests failsafe memory settings. The blinking speed of failsafe settings. function. • Press the MemOK! ASUS P7H55/USB3 1-19 MemOK!
User Guide
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... II switch lights when the switch setting is turned to Enable. • If you clear the CMOS or load the BIOS setup defaults, the related overclocking items in the BIOS menu follow the current setting of the Turbo Key II switch. • If you to auto-tune your CPU to Enable... under the OS environment, the Turbo Key II function will use the TurboV Auto Tuning, overclock in the BIOS setup program, and enable the Turbo Key II function at the same time. Turbo Key II switch This switch allows you change...
... II switch lights when the switch setting is turned to Enable. • If you clear the CMOS or load the BIOS setup defaults, the related overclocking items in the BIOS menu follow the current setting of the Turbo Key II switch. • If you to auto-tune your CPU to Enable... under the OS environment, the Turbo Key II function will use the TurboV Auto Tuning, overclock in the BIOS setup program, and enable the Turbo Key II function at the same time. Turbo Key II switch This switch allows you change...
User Guide
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...Advanced Power Boot Tools Exit Configure System Performance Settings Target CPU Frequency: 2926MHz Target DRAM Frequency: 1600MHz 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 Frenquency [Auto] ASUS/3rd Party UI Priority [ASUS Utility] OC Tuner Start auto tuning [Turbo Profile] DRAM Timing Control Warning: this chapter vary depending on the CPU ...
...Advanced Power Boot Tools Exit Configure System Performance Settings Target CPU Frequency: 2926MHz Target DRAM Frequency: 1600MHz 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 Frenquency [Auto] ASUS/3rd Party UI Priority [ASUS Utility] OC Tuner Start auto tuning [Turbo Profile] DRAM Timing Control Warning: this chapter vary depending on the CPU ...
User Guide
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...2.66 Auto D.O.C.P. Configuration options: [Profile #1] [Profile #2] To obtain the best performance of the X.M.P. Use the and keys to set overclocking parameters. The valid value ranges differently according to individually set the profile(s) supported by your memory module(s) for the following sub-item vary ... Intel® CPU spec, use this item to adjust the value. mode supported by adjusting BCLK frequency. ASUS P7H55/USB3 2-9 Profile function to overclock the DRAM. • Adjust BCLK frequency to achieve desired CPU internal frequency. Auto D.O.C.P. 2.4.2 Ai...
...2.66 Auto D.O.C.P. Configuration options: [Profile #1] [Profile #2] To obtain the best performance of the X.M.P. Use the and keys to set overclocking parameters. The valid value ranges differently according to individually set the profile(s) supported by your memory module(s) for the following sub-item vary ... Intel® CPU spec, use this item to adjust the value. mode supported by adjusting BCLK frequency. ASUS P7H55/USB3 2-9 Profile function to overclock the DRAM. • Adjust BCLK frequency to achieve desired CPU internal frequency. Auto D.O.C.P. 2.4.2 Ai...
User Guide
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.... Configuration options when set the AI Overclock Tuner item to [Auto] or [X.M.P.]: [Auto] [DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-1600] Configuration options when set the QuickPath Interconnect (QPI) frequency. ASUS utilities can also type the desired value using the numeric keypad. Enables Full ... and allows you to set the AI Overclock Tuner item to [Manual] and allows you to adjust the Internal Base Clock (BCLK). To use DIMMs of a higher frequency with a core frequency of 2.66G support the maximum DIMM frequency of ASUS utilities (ASUS EPU, TurboV EVO, etc.). Turbo mode ...
.... Configuration options when set the AI Overclock Tuner item to [Auto] or [X.M.P.]: [Auto] [DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-1600] Configuration options when set the QuickPath Interconnect (QPI) frequency. ASUS utilities can also type the desired value using the numeric keypad. Enables Full ... and allows you to set the AI Overclock Tuner item to [Manual] and allows you to adjust the Internal Base Clock (BCLK). To use DIMMs of a higher frequency with a core frequency of 2.66G support the maximum DIMM frequency of ASUS utilities (ASUS EPU, TurboV EVO, etc.). Turbo mode ...
User Guide
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... DIMMs you to set the DRAM timing control features. Choose [Good Performance] or [Better Performance] as an advanced overclocking setting for daily use. 2.4.10 OC Tuner [Turbo Profile] OC Tuner automatically overclocks the frequency and voltage of the following sub-items: CAS# Latency [Auto] Configuration options: [Auto] [3 DRAM Clock...[Auto] Configuration options: [Auto] [1 DRAM Clock] - [18 DRAM Clock] READ to PRE Time [Auto] Configuration options: [Auto] [1 DRAM Clock] - [15 DRAM Clock] ASUS P7H55/USB3 2-11 Choose [Turbo Profile] as a stable setting for special purposes.
... DIMMs you to set the DRAM timing control features. Choose [Good Performance] or [Better Performance] as an advanced overclocking setting for daily use. 2.4.10 OC Tuner [Turbo Profile] OC Tuner automatically overclocks the frequency and voltage of the following sub-items: CAS# Latency [Auto] Configuration options: [Auto] [3 DRAM Clock...[Auto] Configuration options: [Auto] [1 DRAM Clock] - [18 DRAM Clock] READ to PRE Time [Auto] Configuration options: [Auto] [1 DRAM Clock] - [15 DRAM Clock] ASUS P7H55/USB3 2-11 Choose [Turbo Profile] as a stable setting for special purposes.
User Guide
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...voltage. Setting a high VCore voltage may damage the CPU permanently, and setting a low VCore voltage may help enhancing BCLK overclocking ability. ASUS P7H55/USB3 2-13 Refer to set the CPU Voltage Mode item to [Manual] and allows you to adjust the CPU Clock Skew item... Voltage Mode item setting. Different sub-items appear according to protect the CPU. 2.4.13 CPU Differential Amplitude [Auto] Different AMP might enhance BCLK overclocking ability. Configuration options: [Auto] [700mV] [800mV] [900mV] [1000mV] 2.4.14 CPU Clock Skew [Auto] Adjusting this item may make ...
...voltage. Setting a high VCore voltage may damage the CPU permanently, and setting a low VCore voltage may help enhancing BCLK overclocking ability. ASUS P7H55/USB3 2-13 Refer to set the CPU Voltage Mode item to [Manual] and allows you to adjust the CPU Clock Skew item... Voltage Mode item setting. Different sub-items appear according to protect the CPU. 2.4.13 CPU Differential Amplitude [Auto] Different AMP might enhance BCLK overclocking ability. Configuration options: [Auto] [700mV] [800mV] [900mV] [1000mV] 2.4.14 CPU Clock Skew [Auto] Adjusting this item may make ...
User Guide
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...] [Disabled] [Enabled] CPU Spread Spectrum [Auto] Automatic configuration. Sets to work stably under high voltage settings. Enhances the BCLK overclocking ability. 2.4.18 CPU PLL Voltage [Auto] Allows you to set the DRAM DATA Reference Voltage on Channel A/B. The values range from...table on CHA/B [Auto] Allows you to [Enabled] for EMI control. 2-14 Chapter 2: BIOS information Different ratio might enhance DRAM overclocking ability. 2.4.21 [Auto] [Disabled] [Enabled] Load-Line Calibration [Auto] Automatic configuration. Sets to set the Platform Controller Hub voltage...
...] [Disabled] [Enabled] CPU Spread Spectrum [Auto] Automatic configuration. Sets to work stably under high voltage settings. Enhances the BCLK overclocking ability. 2.4.18 CPU PLL Voltage [Auto] Allows you to set the DRAM DATA Reference Voltage on Channel A/B. The values range from...table on CHA/B [Auto] Allows you to [Enabled] for EMI control. 2-14 Chapter 2: BIOS information Different ratio might enhance DRAM overclocking ability. 2.4.21 [Auto] [Disabled] [Enabled] Load-Line Calibration [Auto] Automatic configuration. Sets to set the Platform Controller Hub voltage...