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Failure to do so may cause severe damage to page ix for buying an ASUS® P7H55-M LX/USB3 motherboard! Before you start installing the motherboard, and hardware devices on it, check the items in your retailer. 1.1 Before you proceed Take...system is a reminder that came with the component. • Before you install or remove any component, switch off mode. SB_PWR P7H55-M LX/USB3 ON OFF Standby Power Powered Off P7H55-M LX/USB3 Onboard LED 1-1 Chapter 1: Product introduction The illustration below shows the location of the items is damaged or missing, contact your ...
Failure to do so may cause severe damage to page ix for buying an ASUS® P7H55-M LX/USB3 motherboard! Before you start installing the motherboard, and hardware devices on it, check the items in your retailer. 1.1 Before you proceed Take...system is a reminder that came with the component. • Before you install or remove any component, switch off mode. SB_PWR P7H55-M LX/USB3 ON OFF Standby Power Powered Off P7H55-M LX/USB3 Onboard LED 1-1 Chapter 1: Product introduction The illustration below shows the location of the items is damaged or missing, contact your ...
User Manual
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... EATXPWR 24.4cm(9.6in) VGA LGA1156 USB34 2 LAN1_USB12 CHA_FAN AUDIO ICS 9LRS954 Lithium Cell CMOS Power PCIEX16 RTL 8111E P7H55-M LX/USB3 SATA3G_1 Super I/O SB_PWR PCI1 PCI2 Intel® 64Mb BIOS 5 H55 SATA3G_2 SATA3G_5 SATA3G_3 PCIEX4_1 VIA VT1708S SPDIF_OUT COM ...USB connectors (10-1 pin USB56, USB78, USB910, USB1112) 10. Onboard LED (SB_PWR) 1-11 Page 1-13 1-9 1-10 1-14 1-13 1-1 ASUS P7H55-M LX/USB3 1-2 Doing so can damage the motherboard. 1.2.2 Layout contents Connectors/Jumpers/Slots/LED 1. Serial port connectors (10-1 pin COM1) 1-10 12. DO...
... EATXPWR 24.4cm(9.6in) VGA LGA1156 USB34 2 LAN1_USB12 CHA_FAN AUDIO ICS 9LRS954 Lithium Cell CMOS Power PCIEX16 RTL 8111E P7H55-M LX/USB3 SATA3G_1 Super I/O SB_PWR PCI1 PCI2 Intel® 64Mb BIOS 5 H55 SATA3G_2 SATA3G_5 SATA3G_3 PCIEX4_1 VIA VT1708S SPDIF_OUT COM ...USB connectors (10-1 pin USB56, USB78, USB910, USB1112) 10. Onboard LED (SB_PWR) 1-11 Page 1-13 1-9 1-10 1-14 1-13 1-1 ASUS P7H55-M LX/USB3 1-2 Doing so can damage the motherboard. 1.2.2 Layout contents Connectors/Jumpers/Slots/LED 1. Serial port connectors (10-1 pin COM1) 1-10 12. DO...
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...obtain memory modules from the higher-sized channel is then mapped for the OS can be about 3GB or less. P7H55-M LX/USB3 Series Motherboard Qualified Vendors List (QVL) DDR3-1333MHz capability Vendor Part No. A-Data Apacer CORSAIR CORSAIR Crucial Crucial ...- •• 1.7V •• 1.65V • • 1.5V •• - •• - •• 1.5V •• ASUS P7H55-M LX/USB3 1-4 1.4.2 Memory configurations You may install 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR3 DIMMs into the DIMM sockets. • You may install varying memory...
...obtain memory modules from the higher-sized channel is then mapped for the OS can be about 3GB or less. P7H55-M LX/USB3 Series Motherboard Qualified Vendors List (QVL) DDR3-1333MHz capability Vendor Part No. A-Data Apacer CORSAIR CORSAIR Crucial Crucial ...- •• 1.7V •• 1.65V • • 1.5V •• - •• - •• 1.5V •• ASUS P7H55-M LX/USB3 1-4 1.4.2 Memory configurations You may install 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR3 DIMMs into the DIMM sockets. • You may install varying memory...
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... slots, ensure that the drivers support "Share IRQ" or that the cards do so may need IRQ assignments; Align the card connector with the screw. 6. ASUS P7H55-M LX/USB3 1-6 Remove the bracket opposite the slot that comply with the PCI Express specifications. 1.5.5 PCI Express x16 slot This motherboard supports PCI Express x16 graphics cards...
... slots, ensure that the drivers support "Share IRQ" or that the cards do so may need IRQ assignments; Align the card connector with the screw. 6. ASUS P7H55-M LX/USB3 1-6 Remove the bracket opposite the slot that comply with the PCI Express specifications. 1.5.5 PCI Express x16 slot This motherboard supports PCI Express x16 graphics cards...
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... BLINKING Data activity SPEED LED Status Description OFF 10 Mbps connection ORANGE 100 Mbps connection GREEN 1 Gbps connection ACT/LINK SPEED LED LED LAN port 4. ASUS P7H55-M LX/USB3 1-8 LAN (RJ-45) port. Microphone port (pink). This port connects to a Local Area Network (LAN) through a network hub. This port connects a microphone. This port allows...
... BLINKING Data activity SPEED LED Status Description OFF 10 Mbps connection ORANGE 100 Mbps connection GREEN 1 Gbps connection ACT/LINK SPEED LED LED LAN port 4. ASUS P7H55-M LX/USB3 1-8 LAN (RJ-45) port. Microphone port (pink). This port connects to a Local Area Network (LAN) through a network hub. This port connects a microphone. This port allows...
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ASUS P7H55-M LX/USB3 1-10 The Serial ATA 3Gb/s is purchased separately. SATA3G_1 GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXP1 RSATA_RXN1 GND SATA3G_2 GND RSATA_RXN2 RSATA_RXP2 GND RSATA_TXN2 ... RSATA_RXP5 RSATA_RXN5 GND GND RSATA_TXP3 RSATA_TXN3 GND RSATA_RXP3 RSATA_RXN3 GND GND RSATA_RXN6 RSATA_RXP6 GND RSATA_TXN6 RSATA_TXP6 GND GND RSATA_RXN4 RSATA_RXP4 GND RSATA_TXN4 RSATA_TXP4 GND P7H55-M LX/USB3 SATA3G_6 SATA3G_4 P7H55-M LX/USB3 SATA connectors Install the Windows® XP Service Pack 2 or later version before using Serial ATA. 3. Serial ATA connectors (7-pin SATA1-6)...
ASUS P7H55-M LX/USB3 1-10 The Serial ATA 3Gb/s is purchased separately. SATA3G_1 GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXP1 RSATA_RXN1 GND SATA3G_2 GND RSATA_RXN2 RSATA_RXP2 GND RSATA_TXN2 ... RSATA_RXP5 RSATA_RXN5 GND GND RSATA_TXP3 RSATA_TXN3 GND RSATA_RXP3 RSATA_RXN3 GND GND RSATA_RXN6 RSATA_RXP6 GND RSATA_TXN6 RSATA_TXP6 GND GND RSATA_RXN4 RSATA_RXP4 GND RSATA_TXN4 RSATA_TXP4 GND P7H55-M LX/USB3 SATA3G_6 SATA3G_4 P7H55-M LX/USB3 SATA connectors Install the Windows® XP Service Pack 2 or later version before using Serial ATA. 3. Serial ATA connectors (7-pin SATA1-6)...
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...-pin and 4-pin power plugs, make sure that the 20-pin power plug can provide at http://support.asus. ATX12V EATXPWR +12V DC +12V DC P7H55-M LX/USB3 GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN 1 GND +5 Volts GND... +5 Volts GND +3 Volts +3 Volts PIN 1 P7H55-M LX/USB3 ATX power connectors GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts ... a PSU with higher power output when configuring a system with a minimum of 300 W. ASUS P7H55-M LX/USB3 1-12 6.
...-pin and 4-pin power plugs, make sure that the 20-pin power plug can provide at http://support.asus. ATX12V EATXPWR +12V DC +12V DC P7H55-M LX/USB3 GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN 1 GND +5 Volts GND... +5 Volts GND +3 Volts +3 Volts PIN 1 P7H55-M LX/USB3 ATX power connectors GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts ... a PSU with higher power output when configuring a system with a minimum of 300 W. ASUS P7H55-M LX/USB3 1-12 6.
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Connect the serial port module cable to the connector, then install the module to a slot opening at the back of the system chassis. COM1 PIN 1 P7H55-M LX/USB3 P7H55-M LX/USB3 Serial port (COM1) connector ASUS P7H55-M LX/USB3 1-14 The serial port bracket (COM1) is for a serial (COM) port. Serial port connectors (10-1 pin COM1) The connector is purchased separately. 9.
Connect the serial port module cable to the connector, then install the module to a slot opening at the back of the system chassis. COM1 PIN 1 P7H55-M LX/USB3 P7H55-M LX/USB3 Serial port (COM1) connector ASUS P7H55-M LX/USB3 1-14 The serial port bracket (COM1) is for a serial (COM) port. Serial port connectors (10-1 pin COM1) The connector is purchased separately. 9.
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... flash disk in the support DVD that you to launch the ASUS Update utility. 2. From the FTP site, select the BIOS version that comes with the motherboard package. ASUS P7H55-M LX/USB3 2-1 Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update The ASUS Update is available in case you need to complete the installation. Select...
... flash disk in the support DVD that you to launch the ASUS Update utility. 2. From the FTP site, select the BIOS version that comes with the motherboard package. ASUS P7H55-M LX/USB3 2-1 Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update The ASUS Update is available in case you need to complete the installation. Select...
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... single partition only. • DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! 2.1.3 ASUS BIOS Updater The ASUS BIOS Updater allows you can use as shown. Before updating BIOS 1. Boot your computer. • This function supports USB flash disks... show the BIOS Boot Device Select Menu. This utility also allows you to copy the current BIOS file that you to boot using defaults ASUS P7H55-M LX/USB3 2-3 Prepare the motherboard support DVD and a USB flash drive in DOS environment 1. NTFS is not supported under DOS environment. Turn off ...
... single partition only. • DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! 2.1.3 ASUS BIOS Updater The ASUS BIOS Updater allows you can use as shown. Before updating BIOS 1. Boot your computer. • This function supports USB flash disks... show the BIOS Boot Device Select Menu. This utility also allows you to copy the current BIOS file that you to boot using defaults ASUS P7H55-M LX/USB3 2-3 Prepare the motherboard support DVD and a USB flash drive in DOS environment 1. NTFS is not supported under DOS environment. Turn off ...
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... the BIOS default settings to update BIOS? Select the Load Setup Defaults item under the Exit BIOS menu. ASUS P7H55-M LX/USB3 2-5 See section 2.8 Exit menu for DOS V1.00b [09/06/22] Current ROM BOARD: P7H55 M LX USB3 VER: 0205 DATE: 10/29/2010 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: P7H55MLX.ROM 2097152...
... the BIOS default settings to update BIOS? Select the Load Setup Defaults item under the Exit BIOS menu. ASUS P7H55-M LX/USB3 2-5 See section 2.8 Exit menu for DOS V1.00b [09/06/22] Current ROM BOARD: P7H55 M LX USB3 VER: 0205 DATE: 10/29/2010 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: P7H55MLX.ROM 2097152...
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...for reference purposes only, and may not exactly match what you see on . Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com to download the latest BIOS file for this section are for this option only if you do not press , POST continues with its...shut down the system properly from a running operating system can cause damage to enter BIOS Setup using the BIOS Setup program. ASUS P7H55-M LX/USB3 2-7 If you failed to your screen. • Visit the ASUS website at startup: • Press during the Power-On Self Test (POST). Using the power button, reset button, ...
...for reference purposes only, and may not exactly match what you see on . Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com to download the latest BIOS file for this section are for this option only if you do not press , POST continues with its...shut down the system properly from a running operating system can cause damage to enter BIOS Setup using the BIOS Setup program. ASUS P7H55-M LX/USB3 2-7 If you failed to your screen. • Visit the ASUS website at startup: • Press during the Power-On Self Test (POST). Using the power button, reset button, ...
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.... Select an item then press if you to set to [Auto], the data transfer from and to configure the item. When set the SATA configuration. ASUS P7H55-M LX/USB3 2-9 Configuration options: [Auto] [Disabled] [Enabled] 32Bit Data Transfer [Enabled] Enables or disables 32-bit data transfer. LBA/Large Mode [Auto] Enables or disables the LBA...
.... Select an item then press if you to set to [Auto], the data transfer from and to configure the item. When set the SATA configuration. ASUS P7H55-M LX/USB3 2-9 Configuration options: [Auto] [Disabled] [Enabled] 32Bit Data Transfer [Enabled] Enables or disables 32-bit data transfer. LBA/Large Mode [Auto] Enables or disables the LBA...
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...-related information that are likely to [Enabled], the processor fetches the currently requested cache line, as well as multiple virtual systems. Configuration options: [Enabled] [Disabled] ASUS P7H55-M LX/USB3 2-11 Configuration options: [Disabled] [Enabled] Intel® Virtualization Tech [Enabled] Enables or disables Intel® Virtualization Technology. Key in the near future. Configuration options: [Disabled...
...-related information that are likely to [Enabled], the processor fetches the currently requested cache line, as well as multiple virtual systems. Configuration options: [Enabled] [Disabled] ASUS P7H55-M LX/USB3 2-11 Configuration options: [Disabled] [Enabled] Intel® Virtualization Tech [Enabled] Enables or disables Intel® Virtualization Technology. Key in the near future. Configuration options: [Disabled...
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... to select the front panel type. The configuration options are [PCI/PCIE] [PCIE/PCI]. Configuration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3] ASUS P7H55-M LX/USB3 2-13 Configuration options: [Enabled] [Disabled] Front Panel Type [HD Audio] Allows you to adjust the DRAM frequency. When a Lynnfield CPU is installed, the default setting...
... to select the front panel type. The configuration options are [PCI/PCIE] [PCIE/PCI]. Configuration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3] ASUS P7H55-M LX/USB3 2-13 Configuration options: [Enabled] [Disabled] Front Panel Type [HD Audio] Allows you to adjust the DRAM frequency. When a Lynnfield CPU is installed, the default setting...
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...). Enables the system to enter the ACPI S3 (Suspend to enter the ACPI S1 (Power on Suspend) sleep state. Configuration options: [Disabled] [Enabled] ASUS P7H55-M LX/USB3 2-15 Main Advanced P7H55-M LX/USB3 BIOS Setup Power Boot Tools Exit Suspend Mode ACPI 2.0 Support ACPI APIC Support Anti Surge Support [Auto] [Enabled] [Enabled] [Disabled] APM Configuration Hardware Monitor...
...). Enables the system to enter the ACPI S3 (Suspend to enter the ACPI S1 (Power on Suspend) sleep state. Configuration options: [Disabled] [Enabled] ASUS P7H55-M LX/USB3 2-15 Main Advanced P7H55-M LX/USB3 BIOS Setup Power Boot Tools Exit Suspend Mode ACPI 2.0 Support ACPI APIC Support Anti Surge Support [Auto] [Enabled] [Enabled] [Disabled] APM Configuration Hardware Monitor...
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... Drive] [ATAPI CDROM] [Disabled] • To select the boot device suring system startup, press when ASUS Logo appears. • To access Windows® OS in the system. ASUS P7H55-M LX/USB3 2-17 Select an item then press to use the ASUS MyLogo2™ feature. CPU/Chassis Q-Fan Function [Enabled] Allows you to change the system boot...
... Drive] [ATAPI CDROM] [Disabled] • To select the boot device suring system startup, press when ASUS Logo appears. • To access Windows® OS in the system. ASUS P7H55-M LX/USB3 2-17 Select an item then press to use the ASUS MyLogo2™ feature. CPU/Chassis Q-Fan Function [Enabled] Allows you to change the system boot...
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... a user password. Clear User Password Select this item to display the sub-menu. Main Advanced P7H55-M LX/USB3 BIOS Setup Power Boot Tools Exit AI NET 2 Version 0205 LAN Cable Status ASUS EZ Flash 2 IO Levelup [Disabled] 2.7.1 AI NET 2 Check Atheros LAN cable [Disabled] ...Password Check [Setup] When set a User Password: 1. Select an item then press to clear the user password. Configuration options: [Disabled] [USB 3.0] ASUS P7H55-M LX/USB3 2-19 When set a password, this item shows Installed. After you set to [Always], BIOS checks for details. 2.7.3 IO Level up to six ...
... a user password. Clear User Password Select this item to display the sub-menu. Main Advanced P7H55-M LX/USB3 BIOS Setup Power Boot Tools Exit AI NET 2 Version 0205 LAN Cable Status ASUS EZ Flash 2 IO Levelup [Disabled] 2.7.1 AI NET 2 Check Atheros LAN cable [Disabled] ...Password Check [Setup] When set a User Password: 1. Select an item then press to clear the user password. Configuration options: [Disabled] [USB 3.0] ASUS P7H55-M LX/USB3 2-19 When set a password, this item shows Installed. After you set to [Always], BIOS checks for details. 2.7.3 IO Level up to six ...
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P7H55-M LX/USB3 motherboard installation notices Intel® LGA1156 processor and chipset combination instruction Chipset CPU type Clarkdale CPU (with integrated GPU) H57/H55 • Integrated GPU enabled .... CPU type Clarkdale CPU (with integrated GPU) Lynnfield CPU O O X O O O No limitation No limitation No limitation No limitation No limitation No limitation No limitation No limitation ASUS P7H55-M LX/USB3 2-21
P7H55-M LX/USB3 motherboard installation notices Intel® LGA1156 processor and chipset combination instruction Chipset CPU type Clarkdale CPU (with integrated GPU) H57/H55 • Integrated GPU enabled .... CPU type Clarkdale CPU (with integrated GPU) Lynnfield CPU O O X O O O No limitation No limitation No limitation No limitation No limitation No limitation No limitation No limitation ASUS P7H55-M LX/USB3 2-21
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...marking) Position : CEO Name : Jerry Shen Declaration Date: Nov. 05, 2010 Year to the following apparatus: Product name : Motherboard Model name : P7H55-M LX/USB3 conform with part 15 of Conformity We, the undersigned, Manufacturer: Address, City: ASUSTek COMPUTER INC. Representative Person's Name : Steve Chang / President Signature ... interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 2-23 ASUS P7H55-M LX/USB3 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Responsible Party Name...
...marking) Position : CEO Name : Jerry Shen Declaration Date: Nov. 05, 2010 Year to the following apparatus: Product name : Motherboard Model name : P7H55-M LX/USB3 conform with part 15 of Conformity We, the undersigned, Manufacturer: Address, City: ASUSTek COMPUTER INC. Representative Person's Name : Steve Chang / President Signature ... interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 2-23 ASUS P7H55-M LX/USB3 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Responsible Party Name...