User Manual
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... this guide vi P7H55-M LX/USB3 specifications summary viii Chapter 1 Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Motherboard layout 1-2 1.2.2 Layout contents 1-2 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-3 1.4.1 Overview 1-3 1.4.2 Memory configurations 1-4 1.5 Expansion slots 1-6 1.5.1 Installing an expansion card 1-6 1.5.2 Configuring an expansion card 1-6 1.5.3 PCI slots 1-6 1.5.4 PCI Express x4 slot 1-6 1.5.5 PCI Express x16 slot 1-6 1.6 Jumpers 1-7 1.7 Connectors 1-8 1.7.1 Rear panel...
... this guide vi P7H55-M LX/USB3 specifications summary viii Chapter 1 Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Motherboard layout 1-2 1.2.2 Layout contents 1-2 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-3 1.4.1 Overview 1-3 1.4.2 Memory configurations 1-4 1.5 Expansion slots 1-6 1.5.1 Installing an expansion card 1-6 1.5.2 Configuring an expansion card 1-6 1.5.3 PCI slots 1-6 1.5.4 PCI Express x4 slot 1-6 1.5.5 PCI Express x16 slot 1-6 1.6 Jumpers 1-7 1.7 Connectors 1-8 1.7.1 Rear panel...
User Manual
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... it by yourself. Do not place the product in your dealer immediately. • To avoid short circuits, keep paper clips, screws, and staples away from connectors, slots, sockets and circuitry. • Avoid dust, humidity, and temperature extremes. Detailed descriptions of the motherboard and the new technology it , carefully read all the...
... it by yourself. Do not place the product in your dealer immediately. • To avoid short circuits, keep paper clips, screws, and staples away from connectors, slots, sockets and circuitry. • Avoid dust, humidity, and temperature extremes. Detailed descriptions of the motherboard and the new technology it , carefully read all the...
User Manual
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...: - 6 x Serial ATA 3.0 Gb/s connectors Realtek® 8111E Gigabit LAN PCIe controller VIA® VT1708S 8-channel* High Definition Audio CODEC * Use a chassis with Max. ASUS MyLogo 2 - Supports Microsoft® DirectX 10 - P7H55-M LX/USB3 specifications summary CPU Chipset Memory Expansion slots VGA ...output Storage LAN Audio USB ASUS unique features LGA1156 socket for Intel® Core™ i7...
...: - 6 x Serial ATA 3.0 Gb/s connectors Realtek® 8111E Gigabit LAN PCIe controller VIA® VT1708S 8-channel* High Definition Audio CODEC * Use a chassis with Max. ASUS MyLogo 2 - Supports Microsoft® DirectX 10 - P7H55-M LX/USB3 specifications summary CPU Chipset Memory Expansion slots VGA ...output Storage LAN Audio USB ASUS unique features LGA1156 socket for Intel® Core™ i7...
User Manual
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ix P7H55-M LX/ USB3 specifications summary Rear panel ports Internal connectors BIOS features Manageability Accessories Support DVD Form factor 1 x PS/2 Mouse port 1 x PS/2 Keyboard port 1 x D-Sub port 1 x DVI-D port 1 x LAN (RJ-45) port 2 x USB 2.0/1.1 ports 2 x USB 3.0/2.0 ports (blue) 3 x Audio jacks 4 x USB 2.0/1.1 connectors support additional 8 USB 2.0/1.1 ports 6 x SATA connectors 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power connector 1 x CPU...
ix P7H55-M LX/ USB3 specifications summary Rear panel ports Internal connectors BIOS features Manageability Accessories Support DVD Form factor 1 x PS/2 Mouse port 1 x PS/2 Keyboard port 1 x D-Sub port 1 x DVI-D port 1 x LAN (RJ-45) port 2 x USB 2.0/1.1 ports 2 x USB 3.0/2.0 ports (blue) 3 x Audio jacks 4 x USB 2.0/1.1 connectors support additional 8 USB 2.0/1.1 ports 6 x SATA connectors 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power connector 1 x CPU...
User Manual
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Doing so can damage the motherboard. 1.2.2 Layout contents Connectors/Jumpers/Slots/LED 1. Clear RTC RAM (3-pin CLRTC) 7. Front panel audio connector (10-1 pin AAFP) 1-7 13. 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 The edge with external ports goes to the rear part of the chassis. 1 23 19.8cm(7.8in) KBMS ASM...
Doing so can damage the motherboard. 1.2.2 Layout contents Connectors/Jumpers/Slots/LED 1. Clear RTC RAM (3-pin CLRTC) 7. Front panel audio connector (10-1 pin AAFP) 1-7 13. 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 The edge with external ports goes to the rear part of the chassis. 1 23 19.8cm(7.8in) KBMS ASM...
User Manual
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... change the necessary BIOS settings, if any. See Chapter 2 for the expansion card. ASUS P7H55-M LX/USB3 1-6 1.5 Expansion slots In the future, you may cause you intend to use. 4. Failure to do not need to install expansion cards. Align the card connector with the PCI Express specifications. When using PCI cards on BIOS setup. 2. Turn...
... change the necessary BIOS settings, if any. See Chapter 2 for the expansion card. ASUS P7H55-M LX/USB3 1-6 1.5 Expansion slots In the future, you may cause you intend to use. 4. Failure to do not need to install expansion cards. Align the card connector with the PCI Express specifications. When using PCI cards on BIOS setup. 2. Turn...
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... LAN port 4. This port connects to a Local Area Network (LAN) through a network hub. Refer to support an 8-channel audio output. 1.7 1.7.1 1 Connectors Rear panel ports 2 3 45 10 9 8 7 6 1. Line In port (light blue). ASUS P7H55-M LX/USB3 1-8 This port is for a VGA monitor or other audio sources. 5. This port connects the tape, CD, DVD player, or other...
... LAN port 4. This port connects to a Local Area Network (LAN) through a network hub. Refer to support an 8-channel audio output. 1.7 1.7.1 1 Connectors Rear panel ports 2 3 45 10 9 8 7 6 1. Line In port (light blue). ASUS P7H55-M LX/USB3 1-8 This port is for a VGA monitor or other audio sources. 5. This port connects the tape, CD, DVD player, or other...
User Manual
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... USB+5V USB_P6USB_P6+ GND NC USB1112 USB910 USB78 USB56 P7H55-M LX/USB3 PIN 1 PIN 1 PIN 1 PIN 1 USB+5V USB_P11USB_P11+ GND USB+5V USB_P9USB_P9+ GND USB+5V USB_P7USB_P7+ GND USB+5V USB_P5USB_P5+ GND P7H55-M LX/USB3 USB2.0 connectors Never connect a 1394 cable to USB 2.0/1.1 devices. ...8. These two 4-pin Universal Serial Bus (USB) ports connect to the USB connectors. This port is purchased separately. 1-9 Chapter 1: Product introduction...
... USB+5V USB_P6USB_P6+ GND NC USB1112 USB910 USB78 USB56 P7H55-M LX/USB3 PIN 1 PIN 1 PIN 1 PIN 1 USB+5V USB_P11USB_P11+ GND USB+5V USB_P9USB_P9+ GND USB+5V USB_P7USB_P7+ GND USB+5V USB_P5USB_P5+ GND P7H55-M LX/USB3 USB2.0 connectors Never connect a 1394 cable to USB 2.0/1.1 devices. ...8. These two 4-pin Universal Serial Bus (USB) ports connect to the USB connectors. This port is purchased separately. 1-9 Chapter 1: Product introduction...
User Manual
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...Serial ATA signal cables for an additional Sony/Philips Digital Interface (S/PDIF) port. +5V SPDIFOUT GND P7H55-M LX/USB3 SPDIF_OUT P7H55-M LX/USB3 Digital audio connector The S/PDIF module is faster than the standard parallel ATA with Serial ATA 1.5Gb/s specification. SATA3G_1... version before using Serial ATA. 3. The data transfer rate of the Serial ATA 3Gb/s is purchased separately. ASUS P7H55-M LX/USB3 1-10 2. Digital audio connector (4-1 pin SPDIF_OUT) This connector is for Serial ATA 3Gb/s hard disk and optical disk drives. The Serial ATA 3Gb/s is backward compatible ...
...Serial ATA signal cables for an additional Sony/Philips Digital Interface (S/PDIF) port. +5V SPDIFOUT GND P7H55-M LX/USB3 SPDIF_OUT P7H55-M LX/USB3 Digital audio connector The S/PDIF module is faster than the standard parallel ATA with Serial ATA 1.5Gb/s specification. SATA3G_1... version before using Serial ATA. 3. The data transfer rate of the Serial ATA 3Gb/s is purchased separately. ASUS P7H55-M LX/USB3 1-10 2. Digital audio connector (4-1 pin SPDIF_OUT) This connector is for Serial ATA 3Gb/s hard disk and optical disk drives. The Serial ATA 3Gb/s is backward compatible ...
User Manual
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... cable to this connector. CPU and Chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN) Connect the fan cables to the fan connectors. DO NOT forget to connect the fan cables to the fan connectors on the fan connectors. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND P7H55-M LX/USB3 CHA_FAN GND +12V Rotation P7H55-M LX/USB3 fan connectors 5. Connect the...
... cable to this connector. CPU and Chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN) Connect the fan cables to the fan connectors. DO NOT forget to connect the fan cables to the fan connectors on the fan connectors. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND P7H55-M LX/USB3 CHA_FAN GND +12V Rotation P7H55-M LX/USB3 fan connectors 5. Connect the...
User Manual
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... that the 20-pin power plug can provide at http://support.asus. 6. 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... power supply unit (PSU) with a minimum of 300 W. This PSU type has 24-pin and 4-pin power plugs. • If you intend to fit these connectors in only one orientation. ASUS P7H55-M LX/USB3 1-12
... that the 20-pin power plug can provide at http://support.asus. 6. 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... power supply unit (PSU) with a minimum of 300 W. This PSU type has 24-pin and 4-pin power plugs. • If you intend to fit these connectors in only one orientation. ASUS P7H55-M LX/USB3 1-12
User Manual
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...1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L P7H55-M LX/USB3 HD-audio-compliant Legacy AC'97 pin definition compliant definition P7H55-M LX/USB3 front panel audio connector If you to [AC97]. Connect one end of the front panel audio I /O module that the Front...the BIOS is set the item to hear system beeps and warnings. +5V GND GND Speaker Out SPEAKER P7H55-M LX/USB3 PIN 1 P7H55-M LX/USB3 Speaker Out Connector 1-13 Chapter 1: Product introduction The speaker allows you want to connect an AC97 front panel audio module to [HD Audio]....
...1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L P7H55-M LX/USB3 HD-audio-compliant Legacy AC'97 pin definition compliant definition P7H55-M LX/USB3 front panel audio connector If you to [AC97]. Connect one end of the front panel audio I /O module that the Front...the BIOS is set the item to hear system beeps and warnings. +5V GND GND Speaker Out SPEAKER P7H55-M LX/USB3 PIN 1 P7H55-M LX/USB3 Speaker Out Connector 1-13 Chapter 1: Product introduction The speaker allows you want to connect an AC97 front panel audio module to [HD Audio]....
User Manual
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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. Serial port connectors (10-1 pin COM1) The connector is purchased separately. 9. The serial port bracket (COM1) is for a serial (COM) port. COM1 PIN 1 P7H55-M LX/USB3 P7H55-M LX/USB3 Serial port (COM1) connector ASUS P7H55-M LX/USB3 1-14
Connect the serial port module cable to the connector, then install the module to a slot opening at the back of the system chassis. Serial port connectors (10-1 pin COM1) The connector is purchased separately. 9. The serial port bracket (COM1) is for a serial (COM) port. COM1 PIN 1 P7H55-M LX/USB3 P7H55-M LX/USB3 Serial port (COM1) connector ASUS P7H55-M LX/USB3 1-14
User Manual
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... item. Configuration options: [Disabled] [Enabled] 2.3.5 Storage Configuration The items in driver. ASUS P7H55-M LX/USB3 2-9 Configuration options: [Auto] [0] [1] [2] [3] [4] DMA Mode [Auto] Selects the DMA mode. Select an item then press if you to set or change the configurations for the Serial ATA connectors supported by Windows Vista/7 with LBA mode disabled. The AHCI mode is...
... item. Configuration options: [Disabled] [Enabled] 2.3.5 Storage Configuration The items in driver. ASUS P7H55-M LX/USB3 2-9 Configuration options: [Auto] [0] [1] [2] [3] [4] DMA Mode [Auto] Selects the DMA mode. Select an item then press if you to set or change the configurations for the Serial ATA connectors supported by Windows Vista/7 with LBA mode disabled. The AHCI mode is...