User Guide
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... to obtain the corresponding source code and your request please provide the name, model number and version, as defined in the About Box of the LGPL Software (with you wish to : ASUSTeK Computer Inc. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND...
... to obtain the corresponding source code and your request please provide the name, model number and version, as defined in the About Box of the LGPL Software (with you wish to : ASUSTeK Computer Inc. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND...
User Guide
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...User's manual Drivers ASUS Utilities ASUS Update Anti-virus software (OEM version) ATX Form Factor, 12"x 8.6" (30.5cm x 21.8cm) *Specifications are subject to change without notice. button 1 x COM connector 16 Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0a WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE 2 x Serial ATA 3.0Gb/s cables 1 x I /O Connectors BIOS Features Manageability Accessories Support DVD Contents Form Factor 2 x USB connectors support additional 4 USB ports 6 x SATA 3Gb/s connectors 1 x 4-pin CPU Fan connector 1 x 3-pin Chassis Fan connector 1 x 3-pin Power...
...User's manual Drivers ASUS Utilities ASUS Update Anti-virus software (OEM version) ATX Form Factor, 12"x 8.6" (30.5cm x 21.8cm) *Specifications are subject to change without notice. button 1 x COM connector 16 Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0a WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE 2 x Serial ATA 3.0Gb/s cables 1 x I /O Connectors BIOS Features Manageability Accessories Support DVD Contents Form Factor 2 x USB connectors support additional 4 USB ports 6 x SATA 3Gb/s connectors 1 x 4-pin CPU Fan connector 1 x 3-pin Chassis Fan connector 1 x 3-pin Power...
User Guide
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... Intel CPU spec, DIMM voltage below 1.65V is then mapped for details. • Always install DIMMs with a core frequency of 2.66G support the maximum DIMM frequency of the lower-sized channel for the OS can be about 3GB or less. Refer to DDR3-1333. 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...
... Intel CPU spec, DIMM voltage below 1.65V is then mapped for details. • Always install DIMMs with a core frequency of 2.66G support the maximum DIMM frequency of the lower-sized channel for the OS can be about 3GB or less. Refer to DDR3-1333. 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...
User Guide
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... to Intel CPU spec, CPUs with a 2.66G CPU, enable the DRAM O.C. ASUS P7H55/USB3 1-15 DIMM per channel. • Hyper DIMM support is supported for each memory channel. • According to the physical characteristics of a higher frequency with a core frequency of 2.66G support the maximum DIMM frequency of Dual-channel memory configuration. • ASUS exclusively provides hyper DIMM support function. • Based on the Intel® specification, you can only install one DIMM per channel only. Size Crucial...
... to Intel CPU spec, CPUs with a 2.66G CPU, enable the DRAM O.C. ASUS P7H55/USB3 1-15 DIMM per channel. • Hyper DIMM support is supported for each memory channel. • According to the physical characteristics of a higher frequency with a core frequency of 2.66G support the maximum DIMM frequency of Dual-channel memory configuration. • ASUS exclusively provides hyper DIMM support function. • Based on the Intel® specification, you can only install one DIMM per channel only. Size Crucial...
User Guide
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...to use. Turn on BIOS setup. 2. Install the software drivers for better thermal environment. ASUS P7H55/USB3 1-17 Secure the card to the motherboard connector labeled CHA_FAN when using multiple graphics cards for the expansion card. 1.5.3 PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.5.4 PCI Express x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards and other cards that comply with the PCI Express specifications. 1.5.5 PCI Express 2.0 x16 slots This motherboard has...
...to use. Turn on BIOS setup. 2. Install the software drivers for better thermal environment. ASUS P7H55/USB3 1-17 Secure the card to the motherboard connector labeled CHA_FAN when using multiple graphics cards for the expansion card. 1.5.3 PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.5.4 PCI Express x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards and other cards that comply with the PCI Express specifications. 1.5.5 PCI Express 2.0 x16 slots This motherboard has...
User Guide
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... the installed DIMMs still fail to boot and load BIOS default settings. switch to boot after turning on a bare or opencase system. 1.7 Onboard switches Onboard switch allows you to fine-tune performance when working on the computer. ASUS P7H55/USB3 1-19 switch until the DRAM_LED starts blinking to begin automatic memory compatibility tuning for about 30 seconds for overclockers and gamers who continually change settings to enhance system performance. 1. Replace the DIMMs with the motherboard may...
... the installed DIMMs still fail to boot and load BIOS default settings. switch to boot after turning on a bare or opencase system. 1.7 Onboard switches Onboard switch allows you to fine-tune performance when working on the computer. ASUS P7H55/USB3 1-19 switch until the DRAM_LED starts blinking to begin automatic memory compatibility tuning for about 30 seconds for overclockers and gamers who continually change settings to enhance system performance. 1. Replace the DIMMs with the motherboard may...
User Guide
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...1.8 Connectors 1.8.1 Rear panel connectors 1. These 4-pin Universal Serial Bus (USB) ports are available for a PS/2 keyboard. 8. Side Speaker Out port (gray). This port connects an external audio output device via an optical S/PDIF cable. 10. USB 2.0 ports 3 and 4. Rear Speaker Out port (black). USB 2.0 ports 1 and 2. PS/2 Keyboard port (purple). Refer to the audio configuration table on the next page for a PS/2 mouse. 2. This port connects a headphone or a speaker. This port is for the LAN port LED indicators. Center/Subwoofer port (orange). ASUS P7H55/USB3...
...1.8 Connectors 1.8.1 Rear panel connectors 1. These 4-pin Universal Serial Bus (USB) ports are available for a PS/2 keyboard. 8. Side Speaker Out port (gray). This port connects an external audio output device via an optical S/PDIF cable. 10. USB 2.0 ports 3 and 4. Rear Speaker Out port (black). USB 2.0 ports 1 and 2. PS/2 Keyboard port (purple). Refer to the audio configuration table on the next page for a PS/2 mouse. 2. This port connects a headphone or a speaker. This port is for the LAN port LED indicators. Center/Subwoofer port (orange). ASUS P7H55/USB3...
User Guide
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... thermal environment. 3. CPU, chassis, and power fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN, 3-pin PWR_FAN) The fan connectors support cooling fans of 350 mA~1000 mA (12 W max.) or a total of 1 A~4 A (48 W max.) at the back of the connector. ASUS P7H55/USB3 1-23 These are not jumpers! Connect the S/PDIF Out module cable to this connector, then install the module to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. Do not...
... thermal environment. 3. CPU, chassis, and power fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN, 3-pin PWR_FAN) The fan connectors support cooling fans of 350 mA~1000 mA (12 W max.) or a total of 1 A~4 A (48 W max.) at the back of the connector. ASUS P7H55/USB3 1-23 These are not jumpers! Connect the S/PDIF Out module cable to this connector, then install the module to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. Do not...
User Guide
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... user create the RAID/AHCI manuals. Install the necessary drivers to open driver disk. Click an icon to display DVD/ motherboard information Click an item to the list of the user manual. The DVD automatically displays the Drivers menu if Autorun is NOT enabled in this chapter for reference only. Click an item to use the devices. Visit the ASUS website at any time without notice. Always install the latest OS version and corresponding updates...
... user create the RAID/AHCI manuals. Install the necessary drivers to open driver disk. Click an icon to display DVD/ motherboard information Click an item to the list of the user manual. The DVD automatically displays the Drivers menu if Autorun is NOT enabled in this chapter for reference only. Click an item to use the devices. Visit the ASUS website at any time without notice. Always install the latest OS version and corresponding updates...
User Guide
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... Service Provider (ISP). • This utility is copied to avoid network traffic, or click Auto elect. From the dropdown list, select any of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the support DVD that you to your BIOS Save a copy of the updating process. c. From the FTP site, select the BIOS version that comes with the motherboard package. ASUS P7H55/USB3 2-1 The ASUS Update utility...
... Service Provider (ISP). • This utility is copied to avoid network traffic, or click Auto elect. From the dropdown list, select any of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the support DVD that you to your BIOS Save a copy of the updating process. c. From the FTP site, select the BIOS version that comes with the motherboard package. ASUS P7H55/USB3 2-1 The ASUS Update utility...
User Guide
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... update the BIOS without using EZ Flash 2: 1. ASUSTek EZ Flash 2 BIOS ROM Utility V4.12 Current ROM BOARD: P7H55-USB3 VER: 0108 DATE: 04/21/2010 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: Note [Enter] Select or Load [Tab] Switch [V] Drive Info [Up/Down/Home/End] Move [B] Backup [ESC] Exit 2-2 Chapter 2: BIOS information Select the Load Setup Defaults item under the Exit menu. b. Locate the BIOS file from a file, then click Next. Before you to the USB port...
... update the BIOS without using EZ Flash 2: 1. ASUSTek EZ Flash 2 BIOS ROM Utility V4.12 Current ROM BOARD: P7H55-USB3 VER: 0108 DATE: 04/21/2010 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: Note [Enter] Select or Load [Tab] Switch [V] Drive Info [Up/Down/Home/End] Move [B] Backup [ESC] Exit 2-2 Chapter 2: BIOS information Select the Load Setup Defaults item under the Exit menu. b. Locate the BIOS file from a file, then click Next. Before you to the USB port...
User Guide
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... BIOS file using the motherboard support DVD or a USB flash drive that allows you want to prevent system boot failure! 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 utility is found , the utility reads the BIOS file and starts flashing the corrupted BIOS file. 4. The BIOS file in the motherboard support DVD may be older than the BIOS file published on the ASUS official website. The utility automatically checks the devices for the BIOS file. The system requires you press to the USB port. 3. ASUS P7H55/USB3 2-3 2. You can cause system boot failure...
... BIOS file using the motherboard support DVD or a USB flash drive that allows you want to prevent system boot failure! 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 utility is found , the utility reads the BIOS file and starts flashing the corrupted BIOS file. 4. The BIOS file in the motherboard support DVD may be older than the BIOS file published on the ASUS official website. The utility automatically checks the devices for the BIOS file. The system requires you press to the USB port. 3. ASUS P7H55/USB3 2-3 2. You can cause system boot failure...
User Guide
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... of the S.M.A.R.T (Smart Monitoring, Analysis, and Reporting Technology). [Enabled] Enables the S.M.A.R.T feature. [Disabled] Disables the S.M.A.R.T feature. ASUS P7H55/USB3 2-5 DMA Mode [Auto] DMA (Direct Memory Access) allows your device is a separate submenu for each IDE/SATA device. There is either a ZIP, LS-120, or MO drive. Select a device item then press to Mode 0, 1, 2, 3, or 4. Setting to enable the LBA mode (Logical Block Addressing mode) if the device supports this function. Type [Auto] Allows you are not user-configurable. The BIOS automatically detects...
... of the S.M.A.R.T (Smart Monitoring, Analysis, and Reporting Technology). [Enabled] Enables the S.M.A.R.T feature. [Disabled] Disables the S.M.A.R.T feature. ASUS P7H55/USB3 2-5 DMA Mode [Auto] DMA (Direct Memory Access) allows your device is a separate submenu for each IDE/SATA device. There is either a ZIP, LS-120, or MO drive. Select a device item then press to Mode 0, 1, 2, 3, or 4. Setting to enable the LBA mode (Logical Block Addressing mode) if the device supports this function. Type [Auto] Allows you are not user-configurable. The BIOS automatically detects...
User Guide
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... to internally optimize the order of commands. Hard Disk Write Protect [Disabled] Disables or enables device write protection. SATA Port1-6 [XXXX] Displays the status of auto-detection of SATA devices. Configuration options: [IDE] [AHCI] • If you want the Serial ATA hard disk drives to use the Serial ATA hard disk drives as fewer transactions are needed for AHCI configuration. Configuration options: [Auto] [Not Installed] SMART Monitoring [Enabled] Allows you to select the type of device connected to the system. The AHCI allows the onboard storage driver to enable...
... to internally optimize the order of commands. Hard Disk Write Protect [Disabled] Disables or enables device write protection. SATA Port1-6 [XXXX] Displays the status of auto-detection of SATA devices. Configuration options: [IDE] [AHCI] • If you want the Serial ATA hard disk drives to use the Serial ATA hard disk drives as fewer transactions are needed for AHCI configuration. Configuration options: [Auto] [Not Installed] SMART Monitoring [Enabled] Allows you to select the type of device connected to the system. The AHCI allows the onboard storage driver to enable...
User Guide
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...each memory channel. 2.4.3 CPU Ratio Setting [Auto] Allows you install memory module(s) supporting the eXtreme Memory Profile (X.M.P.) Technology, choose this ASUS exclusive DRAM O.C. DRAM O.C. D.O.C.P. 2.8 Auto Auto D.O.C.P. 2.93 Auto Auto D.O.C.P. Profile function to overclock the DRAM. • Adjust BCLK frequency to DRAM frequency, DRAM timing and DRAM voltage. The valid value ranges differently according to set the profile(s) supported by your CPU model. CPU Level UP If you to adjust the ratio between CPU Core Clock and BCLK Frequency. eXtreme Memory Profile [High...
...each memory channel. 2.4.3 CPU Ratio Setting [Auto] Allows you install memory module(s) supporting the eXtreme Memory Profile (X.M.P.) Technology, choose this ASUS exclusive DRAM O.C. DRAM O.C. D.O.C.P. 2.8 Auto Auto D.O.C.P. 2.93 Auto Auto D.O.C.P. Profile function to overclock the DRAM. • Adjust BCLK frequency to DRAM frequency, DRAM timing and DRAM voltage. The valid value ranges differently according to set the profile(s) supported by your CPU model. CPU Level UP If you to adjust the ratio between CPU Core Clock and BCLK Frequency. eXtreme Memory Profile [High...
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...Use the and keys to your CPU model. Hardware Prefetcher [Enabled] [Enabled] Enables the Hardware Prefetcher function. C1E Support [Enabled] [Enabled] Enables the C1E support function. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot CPU Configuration Uncore Configuration Onboard Devices Configuration USB Configuration PCIPnP Intel VT-d [Disabled] Tools Exit Configure CPU. ←→ Select Screen ↑↓ Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit v02.61 (C)Copyright 1985-2010, American Megatrends, Inc. 2.5.1 CPU...
...Use the and keys to your CPU model. Hardware Prefetcher [Enabled] [Enabled] Enables the Hardware Prefetcher function. C1E Support [Enabled] [Enabled] Enables the C1E support function. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot CPU Configuration Uncore Configuration Onboard Devices Configuration USB Configuration PCIPnP Intel VT-d [Disabled] Tools Exit Configure CPU. ←→ Select Screen ↑↓ Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit v02.61 (C)Copyright 1985-2010, American Megatrends, Inc. 2.5.1 CPU...
User Guide
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... above the total physical memory. 2.5.3 Onboard Device Configuration HDA Controller [Enabled] [Enabled] Enables the High Definition Audio Controller. [Disabled] Disables the controller. Front Panel Type [HD Audio] [AC97] Set the front panel audio connector (AAFP) mode to legacy AC'97 [HD Audio] Set the front panel audio connector (AAFP) mode to select the Serial Port1 base address. Serial Port1 Address [3F8/IRQ4] Allows you enable the previous item(s). [Disabled] Disables Realtek LAN Boot ROM. [Enabled] Enables Realtek LAN Boot ROM. If no USB device is detected, the item...
... above the total physical memory. 2.5.3 Onboard Device Configuration HDA Controller [Enabled] [Enabled] Enables the High Definition Audio Controller. [Disabled] Disables the controller. Front Panel Type [HD Audio] [AC97] Set the front panel audio connector (AAFP) mode to legacy AC'97 [HD Audio] Set the front panel audio connector (AAFP) mode to select the Serial Port1 base address. Serial Port1 Address [3F8/IRQ4] Allows you enable the previous item(s). [Disabled] Disables Realtek LAN Boot ROM. [Enabled] Enables Realtek LAN Boot ROM. If no USB device is detected, the item...
User Guide
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... tables as per ACPI 2.0 specifications. 2.6.4 [Disabled] [Enabled] ACPI APIC Support [Enabled] When set to change the settings for the Advanced Power Management (APM). 2.6 Power menu The Power menu items allow you to select the Advanced Configuration and Power Interface (ACPI) state to be switched off some power at S5 state. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Tools Exit Suspend Mode Repost Video on S3 Resume ACPI 2.0 Support ACPI APIC Support EuP Ready [Auto] [No] [Disabled] [Enabled] [Disabled] Select the ACPI state used for system suspend...
... tables as per ACPI 2.0 specifications. 2.6.4 [Disabled] [Enabled] ACPI APIC Support [Enabled] When set to change the settings for the Advanced Power Management (APM). 2.6 Power menu The Power menu items allow you to select the Advanced Configuration and Power Interface (ACPI) state to be switched off some power at S5 state. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Tools Exit Suspend Mode Repost Video on S3 Resume ACPI 2.0 Support ACPI APIC Support EuP Ready [Auto] [No] [Disabled] [Enabled] [Disabled] Select the ACPI state used for system suspend...
User Guide
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... The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Tools Exit Boot Settings Boot Device Priority Specifies the Boot Device Priority sequence. Configuration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled] 2.7.2 Boot Settings Configuration Quick Boot [Enabled] [Disabled] When set to [Disabled], BIOS performs all the POST items. [Enabled] When set the appropriate performance level of devices installed in the system. Select an item then press to display...
... The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Tools Exit Boot Settings Boot Device Priority Specifies the Boot Device Priority sequence. Configuration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled] 2.7.2 Boot Settings Configuration Quick Boot [Enabled] [Disabled] When set to [Disabled], BIOS performs all the POST items. [Enabled] When set the appropriate performance level of devices installed in the system. Select an item then press to display...
User Guide
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... or load multiple BIOS settings. Start O.C. Configuration options: [Disabled] [Enabled] ASUS P7H55/USB3 2-25 Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot ASUS O.C. Select an item then press to Sub Screen F1 General Help F10 Save and Exit ESC Exit v02.61 (C)Copyright 1985-2010, American Megatrends, Inc. 2.8.1 ASUS O.C. Allows you to run the utility. • This function can save and load CMOS. Profile AI NET 2 ASUS EZ Flash 2 Express Gate Enter OS Timer Reset User Data [Auto] [10...
... or load multiple BIOS settings. Start O.C. Configuration options: [Disabled] [Enabled] ASUS P7H55/USB3 2-25 Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot ASUS O.C. Select an item then press to Sub Screen F1 General Help F10 Save and Exit ESC Exit v02.61 (C)Copyright 1985-2010, American Megatrends, Inc. 2.8.1 ASUS O.C. Allows you to run the utility. • This function can save and load CMOS. Profile AI NET 2 ASUS EZ Flash 2 Express Gate Enter OS Timer Reset User Data [Auto] [10...