With the 955X Platinum mainboard, MSI are utilizing the 955X + ICH7R chipset o give full support for the Intel LGA775 Pentium 4 EM64T processor along with Dual Core and Celeron processor too. The board supports a 1066Mhz FSB and 4 dual channel DDR2 667 of up to 8 Gb.

http://www.hexus.net/content/reviews...lld19JRD0xMjY0