The 915P Combo-FR motherboard features the Intel Grantsdale 915P chipset and supports an Intel Pentium 4 Prescott processor in LGA 775 Socket T package, Pentium 4 3XX, 5XX processor or higher speed, Hyper-Threading Technology, 800MHz front side bus and dual channel DDR2 533/400 memory interface up to 2GB or dual channel DDR 400/333 memory interface up to 2GB.