Please update the latest version BIOS.

This is because of nFORCE 570 chipset limitation. If you want to get SLI mode with this motherboard, please install two the same VGA cards come with SLI feature.

Please kindly click here to get the related instruction.

Please install WinXP Service Pack 1 and update Via 4 in 1 driver ver.4.45 from Via website.http://www.viaarena.com/?PageID=2

According to the chipset specification, please use single-sided memory module if you want to install four memory modules on this motherboard, for detailed memory combination chart, please refer to page 16 in the motherboard manual.