Дънна платка Gigabyte P55A-UD7, P55, LGA1156, DDR3, 3xPCI-E(SLi/CF), Dolby SB7.1, 2xLan1000, SATA RAID 0,1,5,10, SATA 6Gb/s, 2xeSATA, 2xUSB3.0, 3x1394, ATX

GA-P55A-UD7 (rev. 1.0)
Intel® P55 Chipset

1. Industry leading 24phase power VRM design for optimum power efficiency and thermal solution
2. Leading quality standard of Ultra Durable™ 3 technology with 2oz copper PCB design
3. Supports newest NEC SuperSpeed USB 3.0 with superfast transfer rates of up to 5 Gbps
4. 3X USB power delivery for greater compatibility and extra power for USB devices
5. Provides newest Marvell SE9128 high speed SATA3 storage interface with superfast 6Gbps link speed
6. Support Intel Core i7/ Core i5/ Core i3 processors with LGA 1156 socket
7. New Dynamic Energy Saver™ 2 technology enables best energy efficiency
8. Innovative Smart 6 technology for smarter PC management
9. Supports dual channel DDR3 2600+ memory
10. 4 PCIe 2.0 graphic interfaces support both 3 way SLI and 3 way CrossFireX
11. Smart DualLAN with Intelligent LAN port auto-switching
12. XHD technology accelerating hard drive performance with ease
13. AutoGreen technology Greening your PC via Bluetooth cellphone.
14. Patented GIGABYTE DualBIOS™ technology delivering highest level failure protection
15. Supports Dolby Home Theater audio to create a stunning surround sound listening experience
16. Hybrid Silent-Pipe design provides unequalled heat conductivity
17. Onboard debug LED simplifies motherboard troubleshooting
18. The Precision OV provides more precision voltage control for system
19. Compatible with Windows 7 to deliver the best operation experience
20. Meet European Union EuP(Energy-using Products) requirement

CPU

1. Support for an Intel® Core™ i7 series processor/Intel® Core™ i5 series processor/Intel® Core™ i3 series processor in the LGA1156 package (Go to GIGABYTE's website for the latest CPU support list.)
2. L3 cache varies with CPU

Chipset

1. Intel® P55 Express Chipset

Memory

1. 4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory (Note 1)
2. Dual channel memory architecture
3. Support for DDR3 2600+/2200/1600/1333/1066/800 MHz memory modules
4. Support for non-ECC memory modules
5. Support for Extreme Memory Profile (XMP) memory modules

Go to Memory Support List for the latest memory support list.
Audio

1. Realtek ALC889 codec
2. High Definition Audio
3. 2/4/5.1/7.1-channel
4. Support for Dolby® Home Theater
5. Support for S/PDIF In/Out
6. Support for CD In

LAN

1. 2 x RTL8111D chips (10/100/1000 Mbit)
2. Support for Teaming
3. Support for Smart Dual LAN

Expansion Slots

1. 2 x PCI Express x16 slot, running at x16 (PCIEX16_1, PCIEX16_2) (Note 2)
2. 2 x PCI Express x16 slot, running at x8 (PCIEX8_1, PCIEX8_2) (Note 3)
3. 1 x PCI Express x1 slot (The PCIEX16_1, PCIEX16_2, PCIEX8_1, PCIEX8_2, and PCIEX1 slots conform to PCI Express 2.0 standard.)
4. 2 x PCI slots

Multi-Graphics Technology

1. Support for 2-Way/3-Way ATI CrossFireX™/NVIDIA SLI technology

Storage Interface Chipset:

1. 6 x SATA 3Gb/s connectors (SATA2_0, SATA2_1, SATA2_2, SATA2_3, SATA2_4, SATA2_5) supporting up to 6 SATA 3Gb/s devices
2. Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10

Marvell 9128 chip:

1. 2 x SATA 6Gb/s connectors (GSATA3_6, GSATA3_7) supporting up to 2 SATA 6Gb/s devices
2. Support for SATA RAID 0 and RAID 1

GIGABYTE SATA2 chip:

1. 1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
2. 2 x SATA 3Gb/s connectors (GSATA2_6, GSATA2_7) supporting up to 2 SATA 3Gb/s devices
3. Support for SATA RAID 0, RAID 1 and JBOD

JMB362 chip:

1. 2 x eSATA 3Gb/s connectors (eSATA/USB Combo) on the back panel sup- porting up to 2 SATA 3Gb/s devices
2. Support for SATA RAID 0, RAID 1 and JBOD

iTE IT8720 chip:

1. 1 x floppy disk drive connector supporting up to 1 floppy disk drive

USB Chipset

1. Up to 12 USB 2.0/1.1 ports (8 on the back panel (Note 4), 4 via the USB brackets connected to the internal USB headers)

NEC chip

1. Up to 2 USB 3.0/2.0 ports on the back panel

IEEE 1394

1. T.I. TSB43AB23 chip
2. Up to 3 IEEE 1394a ports (2 on the back panel, 1 via the IEEE 1394a bracket connected to the internal IEEE 1394a header)

Internal I/O Connectors

1. 1 x 24-pin ATX main power connector
2. 1 x 8-pin ATX 12V power connector
3. 1 x floppy disk drive connector
4. 1 x IDE connector
5. 8 x SATA 3Gb/s connectors
6. 2 x SATA 6Gb/s connectors
7. 1 x CPU fan header
8. 3 x system fan headers
9. 1 x power fan header
10. 1 x Chipset fan header
11. 1 x front panel header
12. 1 x front panel audio header
13. 1 x CD In connector
14. 1 x S/PDIF In header
15. 1 x S/PDIF Out header
16. 2 x USB 2.0/1.1 headers
17. 1 x IEEE 1394a header
18. 1 x serial port header
19. 1 x clearing CMOS button
20. 1 x power button
21. 1 x reset button

Back Panel Connectors

1. 1 x PS/2 keyboard/mouse port
2. 1 x coaxial S/PDIF Out connector
3. 1 x optical S/PDIF Out connector
4. 2 x IEEE 1394a ports
5. 6 x USB 2.0/1.1 ports
6. 2 x USB 3.0/2.0 ports
7. 2 x eSATA/USB Combo connectors
8. 2 x RJ-45 ports
9. 6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/ Side Speaker Out/Line In/Line Out/Microphone)

I/O Controller

1. iTE IT8720 chip

H/W Monitoring

1. System voltage detection
2. CPU/System temperature detection
3. CPU/System/Power fan speed detection
4. CPU overheating warning
5. CPU/System/Power fan fail warning
6. CPU/System fan speed control

BIOS

1. 2 x 16 Mbit flash
2. Use of licensed AWARD BIOS
3. Support for DualBIOS™
4. PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b

Unique Features

1. Support for @BIOS
2. Support for Q-Flash
3. Support for Xpress BIOS Rescue
4. Support for Download Center
5. Support for Xpress Install
6. Support for Xpress Recovery2
7. Support for EasyTune
8. Support for Dynamic Energy Saver™ 2
9. Support for Smart 6™
10. Support for Q-Share

Bundle Software

1. Norton Internet Security (OEM version)

Operating System

1. Support for Microsoft® Windows 7/Vista/XP

Form Factor

1. ATX Form Factor; 30.5cm x 24.4cm

Note
(Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.
(Note 2) For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16_1 slot; if you are installing two PCI Express graphics cards, it is recommended that you install them in the PCIEX16_1 and PCIEX16_2 slots.
(Note 3) The PCIEX8_1 slot shares bandwidth with the PCIEX16_1 slot and the PCIEX8_2 slot with PCIEX16_2. The PCIEX16_1/PCIEX16_2 slot will operate at up to x8 mode when the PCIEX8_1/PCIEX8_2 is populated.
(Note 4) Two share the same ports with USB 3.0 and another two with eSATA.
(Note 5) Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install.
(Note 6) Available functions in EasyTune may differ by motherboard model.

Remark
1. Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website.
2. Due to most hardware/software vendors no longer offer support for Win9X/ME. If some vendors still has Win9X/ME drivers available, we will publish on website.



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