On 9 Jul 98 at 16:51, Mark and Judith Walter wrote: > Was wondering....if you are using a BX motherboard with a PII 233 > cpu at 3.5x66mhz do you still need to use the PC100 Sdram or can > you use regular Sdram? That depends. If you got the BX motherboard specifically intending to upgrade to its 100 MHz bus some day, then you might prefer to buy PC100 RAM now. Or you might decide that your present budget is more crucial than future upgrades, and save money for now by sticking with 66 MHz. David G