MSI P55A-G55 Bios 1.0

CPU

- Supports Intel i3 / 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*/1800*/2000*/2133* (OC) DRAM, 16GB Max
- Supports 1Gb/ 2Gb/ 4Gb DRAM size
- Supports Dual channel mode

Slots

- 2 PCI Express gen2 x16 slots
- If two graphics cards are installed at PCI_E1 & PCI_E4 slots, these two PCIE x16 lanes will auto arrange from x16/ x0 to x8/ x8
- supports ATI Crossfire
- 2 PCI Express gen2 x1 slots
- 3 PCI slots, support 3.3V/ 5V PCI bus Interface

On-Board IDE/SATA

- One Ultra DMA 66/100/133 IDE controller integrated in Marvell 88SE9128B1.
- Supports PIO, Bus Master operation modes.
- Can connect up to two Ultra ATA drives.
- SATAII /SATAIII controller integrated in Intel P55/Marvell 88SE9128B1 chipsets
- Supports six SATAII ports by P55
- Supports two SATAIII ports by Marvell 88SE9128B1, up to 6Gb/s, support SATA RAID 0/1.
- 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 ALC892
- Flexible 8-channel audio with jack sensing
- Compliant with Azalia 1.0 Spec
- Meet Microsoft Vista Premium spec

LAN

- Supports One LAN PCI-E Gb LAN controller by Realtek 8111DL.

Internal I/O Connectors

- ATX 24-Pin power connector
- 8-pin ATX 12V power connector
- CPU x1 / System x2 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
- 2 x Serial ATAIII connectors
- 1 x ATA133 connector
- 1 x Power Button
- 1 x Clear CMOS jumper
- 1 x SPDIF-out connector
- 1 x TPM module connector
- 1 x Seial port connector
- 1 x Parallel port connector
- 1 x Easy OC Switch
MSI Reminds You...
- The floppy disk cable will be optional.

Back Panel I/O Ports

- 1 x Optical SPDIF-out
- 1 x PS/2 Keyboard/Mouse port
- 8 x USB 2.0 ports
- 2 x USB 3.0 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

- 30.5cm(L) x 23.0cm(W) ATX Form Factor