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Support for the Intel® Core™ i7 and Intel® Core™ i5 processors in the LGA1156 package: Features Intel® Turbo Boost Technology3 and Intel® Hyper-Threading Technology4 for exceptional performance and scalability, and 8 MB Shared Intel® Smart Cache, enabling dynamic and efficient allocation of cache. |
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Intel® P55 Express Chipset: Revolutionary new single chip increases routing space for additional onboard features and lowers power consumption. |
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Dual-Channel DDR 3 1600+1 / 1333 / 1066 MHz memory support: Four DIMM slots support up to 16 GB5 memory connected directly to the processor via the Integrated Memory Controller. |
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One PCI Express* 2.0 x16 slot: Graphics with the ability to scale to dual x8 graphics supporting ATI* CrossFireX* and NVIDIA* SLI*. |
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One PCI Express 2.0 x4 slot, two PCI Express 2.0 x1 slots, and two PCI expansion slots: Flexibility to support PCI Express and legacy PCI devices. |
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Eight SATA 3.0 GB/s ports, with two additional eSATA ports: Allows for a large addition of external mass storage using either single hard drives or SATA enclosures supporting port replication. |
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Intel® Matrix Storage Technology: RAID 0, 1, 5, and 10 for higher performance data access and/or data protection. |
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Consumer infrared receiver and transmitter: Supports receiving, learning, and emitting capabilities, controls up to two additional CE devices with your PC, and eliminates the need for a USB CIR dongle. |
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Exclusive voltage regulator thermal solutions: Provides reliable and silent cooling for extreme performance tuning. |
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Six-phase improved voltage regulator: The addition of the CHiL* processor voltage regulator allows for improved power and voltage delivery to reach even better performance while running games and media applications. |
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Bluetooth: Adds the ability to connect to Bluetooth-enabled devices such as an audio headset, keyboard, or mouse for reduced cable computing. |
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Post code decoder: Allows for display of post codes for debug along with the included post code quick reference card displaying critical areas to help troubleshoot performance-increase roadblocks. |
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Back-to-BIO S switch: New feature allows easy system recovery with all the BIOS settings kept intact after pushing the performance envelope too far. |
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One IEEE 1394a port with one additional port via internal header; eight Hi-Speed USB 2.0 ports with four additional ports via two internal headers and one onboard port via one internal header: Provides for the most flexible connectivity options for front and back panels. |
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Intel® PRO 10/100/1000 Network Connection: Uses a new low-power design and can meet Energy Star* 5.0 specifications. |
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Dolby Home Theater with 10-Channel Intel® High Definition Audio6 (7.1) and S/PDIF In and Out: Enables high-quality integrated audio that rivals the performance of high-end discrete solutions. |
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Lead-free: Meets all worldwide regulatory requirements for lead-free manufacturing. |
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ATX (9.6” x 11.6”) Form Factor: ATX board supports more fully featured tower designs. |
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Processor Support |
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Intel® Core™ i7 and Intel® Core™ i5 processors in the LGA1156 package |
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Intel® Turbo Boost Technology |
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Intel® Hyper-Threading Technology |
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Integrated Memory Controller with support for up to 16 GB5 of system memory DDR3 1600+1 / 1333 / 1066 MHz SDRAM |
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Intel® Fast Memory Access |
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Supports Intel® 64 architecture |
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Chipset |
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New Intel® P55 Express Chipset |
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Intel® 82P55 Platform Controller Hub (PCH) |
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Intel® Matrix Storage Technology (RAID 0, 1, 5, 10) |
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Eight onboard SATA ports |
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Two eSATA (3.0 Gb/s) ports on the back panel provided by a Marvell* 88SE6145 controller |
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USB 2.0 |
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Eight Hi-Speed USB 2.0 ports via back panel |
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Four additional ports via two internal headers |
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One onboard port via internal header |
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System BIOS |
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16 Mb Flash EEPROM with Intel® Platform Innovation Framework for EFI Plug and Play, IDE drive auto-configure |
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Advanced configuration and power interface V3.0b, DMI 2.5 |
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Intel® Rapid BIOS Boot |
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Intel® Rapid BIOS Boot |
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Intel® Express BIOS update support: BIOS update via new F7 function key |
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Hardware Management Features |
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Processor fan speed control |
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System chassis fan speed control |
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Voltage and temperature sensing |
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Fan sensor inputs used to monitor fan activity |
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Power management support for ACPI 3.0b |
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Intel® PRO 10/100/1000 Network Connection |
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New low-power design can meet Energy Star* 5.0 specifications |
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Expansion Capabilities |
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One PCI Express* 2.0 x16 slot, switchable to two |
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PCI Express 2.0 x8 slots |
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One PCI Express 2.0 x4 slot |
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Two PCI Express 2.0 x1 slots |
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Two PCI slots |
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Audio |
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10-channel Intel® High Definition Audio6 codec |
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8-channel via the back panel |
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2-channel via the front panel |
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Back panel support for both input and output via optical cable |
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One internal header for S/PDIF output for HDMI* support |
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Memory Capacity |
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Four 240-pin DIMM connectors supporting up to two double-sided DIMMs |
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Maximum system memory up to 16 GB5 using 4 GB double-sided DIMMs |
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Memory Types |
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DDR3 1600 / 1333 / 1066 SDRAM memory support |
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Non-ECC Memory |
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Memory Modes |
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Dual- or single-channel operation support |
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Memory Voltage |
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1.35 V low voltage |
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1.5 V standard JEDEC voltage |
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Support for Intel® XMP extended voltage profiles |
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Jumpers |
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Single configuration jumper design |
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Jumper access for BIOS maintenance mode |
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Front-Panel Connectors |
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Reset, HD LED, Power LEDs, power on/off |
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Two front-panel Hi-Speed USB 2.0 headers |
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Front-panel audio header |
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One IEEE 1394a header |
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Board Style |
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ATX |
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Board Size |
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9.6” x 11.6” (24.38 cm x 29.46 cm) |
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Baseboard Power Requirements |
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ATX 12 V |
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Operating Temperature |
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0° C to +55° C |
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Storage Temperature |
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-20° C to +70° C |
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Regulations and Safety Standards |
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United States and Canada UL 1950, Third edition—CAN/CSA C22.2 No. 950-95 with recognized U.S. and Canadian component marks |
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Box Contents |
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ATX 2.2 compliant I/O shield |
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UV SATA cables |
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Board and back panel I/O layout stickers |
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Quick reference guide |
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Intel® Express Installer driver and software DVD |
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Bluetooth* antenna |
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NVIDIA* SLI* two-way connector |
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Post code information card |
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Software Included |
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Intel® Desktop Control Center (Internet download): Monitors system temperature and fan speeds. Enables manual tuning of memory and processor or one-button auto-tuning. |
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Intel® Integrator Assistant (Internet download): Streamlines board integration. |
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DivX* Pro for Windows*: Provides everything you need to burn, post, e-mail, store, or watch DivX* videos. |
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Dolby* Control Center: A powerful set of easy-to-use home theater configuration tools delivers a cinema-style experience in vivid surround sound. |
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Norton Internet Security* 2009 (90-day trial): Removes viruses automatically, blocks certain Internet worm attacks, and protects e-mail and instant messages. |
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Additional free software: Helps get your system up and running. |