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P55M-GD45

The product picture may differ from the actual product.Only for your reference.

MSI Reminds you:
Because of the limitations of chipset, this MB does not support Win98/ME.

OC Genie

Push to overclock in 1 second
MSI’s original invention, a fully automatic, smart overclocking chip.
It will automatically detect the optimal settings for your individual system
Advantages
1. 300% higher than Turbo Boost
2. Overclock 4 core B-clock & Ratio by OC Genie
3. Turbo Boost only overclock a little Ratio
* To enable OC Genie, we suggest you using the new 1.65V XMP memory modules and a high efficiency CPU cooler.

DrMOS

1 Phase DrMOS > 4 Phase Traditional MOSFET
3-in-1 server class power component, 400% faster than traditional MOSFET
Offers excellent energy-saving capability and high-computing performance.
Advantages
1. High Efficiency: Up to 96%
2. Efficiency Increase: +38.3%
3. Lower Power Loss: -4.01W (64% Max Saving)

APD

APS is Active Phase Switching, that is complete function to Control Power Demand With Switcing Dynamically, it’s for CPU, Memory and Chipset PWM.

Benefits:
Saving Power under Variable Loading.
Power Usage More Efficiency.

Features

• Provide CPU VCORE, VTT, DDR, PCH Voltage measure value
• Key part's voltage measurement for all end-users

• With the ESD dual-current protection chip, USB Safeguard can ideally protect your motherboard from the potential damage caused by static electricity when inserting USB devices.

• One second overclocking
• World’s first true overclocking processor
• 36% performance boost
• Overclock 4 core B-clock & Ratio by OC Genie

Live Update 4 is a single utility software that automatically checks BIOS, driver and utility updates and installs for you , which can save your time for searching and lower the risk while updating.

• Excellent energy-saving capability and offers high-computing performance.
• Provide superior energy-saving function and maintain an ultimate low temperature operation.
• Comes with three incredible features.

• APS is Active Phase Switching is complete function to Control Power Demand With Switcing Dynamically, it’s for CPU, Memory and Chipset PWM.
• Saving Power under Variable Loading.
• Power Usage More Efficiency.

• Faster and Flexible and instant
• If BIOS crash, it still can boot from USB Drive
• Update BIOS from USB Drive by M-Flash Fucntion

• The loss-less content protection technology with full-rate audio enjoyment from Blue-ray Disc
• Support for 24-bit / 192kHz sample rate offers high quality digital decoders and speakers
• support 7.1 channels playback, plus 2 channels of independent stereo sound output (multiple streaming) through the front panel stereo outputs

• Functions designed with button to be easy use.
• Help power-users tweaking process in-chasis enviornment
• Onboard SATA ports are stacked on the mainboard to avoid mechanical issue with giant graphic cards like 8800 Ultra.

The MSI Live Update online is designed to automatically download and update the BIOS and driver when there’s a new version online. It helps reduce the risk of getting the wrong file and minimize the trouble of searching the files from MSI website.

• Equip with 2 or more PCIe x16 slots, ATI CrossFire Ready.
• The ultimate multi-GPU performance gaming platform.
• Provides 2.7x faster performance than single graphic card solution.

Specifications

CPU

• Supports Intel® i5 / i7 based processors in LGA1156 package.
Please refer to CPU Support for compatible CPU; the above description is for reference only.

Chipset

• Intel® P55 Chipset
- Supports QPI up to 6.4GT/s
- Hi-Speed USB (USB2.0) controller, 480Mb/sec.
- 6 SATAII ports with transfer rate up to 3Gb/s.
- PCI Master v2.3, I/O APIC.
- ACPI 2.0 compliant.
- Serial ATA RAID 0/1/5/10.
- Integrated AHCI controller.

Main Memory

• Supports four unbuffered DIMM of 1.5 Volt DDR3 1066/1333/1600*/2000*/2133* (OC) SDRAM, 16GB Max
- Supports 1Gb/ 2Gb/ 4Gb DRAM size
- Supports Dual channel mode

Slots

• 2 PCI Express gen2 x16 slots
- PCI_E1 supports x16 speed & PCI_E3 supports x4 speed
- supports ATI® Crossfire™
• 1 PCI Express gen2 x1 slots
• 1 PCI slots, support 3.3V/ 5V PCI bus Interface

On-Board IDE/SATA

• One Ultra DMA 66/100/133 IDE controller integrated in JMicron® 363.
- Supports PIO, Bus Master operation modes.
- Can connect up to two Ultra ATA drives.

• SATAII controller integrated in Intel P55/JMicron® 363 chipset
- Up to 3Gb/s transfer speed.
- Supports six SATAII ports by P55
- Supports two eSATA ports by JMicron 363.
- Supports AHCI controller with AHCI / SATA RAID 0/1/5/10 by P55.

MSI Reminds You...
• The RAID setup floppy disk is optional depending on the districts. You can download the files from the website to make the setup disk.

Audio

• Chipset integrated by Realtek® ALC889 / ALC888S VC2
- Flexible 8-channel audio with jack sensing
- Compliant with Azalia 1.0 Spec
- Meet Microsoft Vista Premium spec

LAN

• Supports two PCI Express LAN 10/100/1000 Fast Ethernet by Realtek 8111DL.

IEEE1394/FireWire

• VIA® VT6315N chipset
- Supports up to two 1394 ports. (Rear panel x1, pinheader x1)
- Transfer rate is up to 400Mbps.

Internal I/O Connectors

- ATX 24-Pin power connector
- 4-pin ATX 12V power connector
- CPU / System x 2 FAN connectors
- CD-in connector
- Front panel audio connector
- Front panel connector
- 1 x chasis intrusion connector
- 2 x USB 2.0 connectors
- 6 x Serial ATAII connectors
- 1 x ATA133 connector
- 1 x IEEE1394 connector support additional 1 port
- 1 x Power Button
- 1 x Clear CMOS jumper
- 1 x SPDIF-out connector
- 1 x TPM module connector
- 1 x Serial port connector
- 1 x Parallel port connector

MSI Reminds You...
• The floppy disk cable will be optional.

Back Panel I/O Ports

- 1 x PS/2 Keyboard
- 1 x PS/2 Mouse
- 2 x eSATA ports
- 1 x IEEE1394 port
- 10 x USB 2.0 ports
- 1 x RJ45 LAN Jack
- 1 x 6 in 1 audio jack

BIOS

• The mainboard BIOS provides "Plug & Play" BIOS which detects the peripheral devices and expansion cards of the board automatically.
• The mainboard provides a Desktop Management Interface(DMI) function which records your mainboard specifications.

Dimension

• 24.45 cm(L) x 23.5cm(W) M-ATX Form Factor

Mounting

• 6 mounting holes.

Product Accessories

MSI Reminds You...
• The accessories will probably be different according to the different selling areas of product models. For details of accessories, please refer to the descriptions on the product package.