Features:

  • LGA 775 for Intel® Dual Core Core™ 2 Extreme / Core™ 2 Duo / Pentium® Dual Core / Celeron, supporting Dual Core Wolfdale processors
  • Intel® 945GC A2 Chipset
  • Compatible with all FSB1333/1066/800/533 MHz CPUs except Quad Core
  • Supports Dual Channel DDR2 667/533 x 2 DIMM slots with max. capacity up to 4GB
  • Intel® Graphics Media Accelerator 950, DirectX 9.0 and Max. shared memory 224MB
  • 1 x PCI Express x16 slot
  • Hybrid Booster - Safe Overclocking Technology
  • Untied Overclocking : During overclocking, FSB enjoys better margin due to fixed PCIE/ PCI Buses
  • 4 x SATA2 3.0 Gb/s connectors
  • 7.1 CH Windows® Vista™ Premium Level HD Audio (ALC888 Audio Codec), 10/100 Ethernet LAN
  • Windows® Vista™ Premium 2007 Logo Ready
  • HD 8CH I/O: 4 ready-to-use USB Ports, HD 7.1 channel audio jacks

What's New:

  • Support ATI-HD5XXX series VGA card

Updating BIOS Procedures:

  1. Create a bootable system USB pen drive.
  2. Download an updated ASRock BIOS file (WinZip format with .zip file extension) from the web site, unzip the BIOS file and save all files to the drive you created in step 1.
  3. Boot from the disk you created in step 2.
  4. At the "A:\" prompt, type BIOSfile.exe, then press <Enter>. For example: A:\P55DX_1.60.exe <Enter> then you will see a message "Please wait for BIOS loading ROM".
  5. After 30 seconds, you will see the message "Program ended normally", then you have finished upgrading the BIOS.
  6. After finishing upgrading the BIOS, restart your system and press <F2> to enter the BIOS setup utility during boot up.
  7. In Exit menu, please select "Load Default Settings" and press <Enter> to continue.
  8. Select "Exit Saving Changes" and press <Enter> to exit the BIOS setup utility.
  9. Now, system is booting up with new BIOS.