The difference is very much physical, and 64-bit 33 MHz and 66 MHz PCI slots are not new. They are, however, not usually found in consumer boards, which is probably why you're not familiar with them, ...
nothing came up on a search, and the websites i've been reading are vague and confusing.<BR><BR>the questions started when i looked at the promise SX4000 SATA RAID card, which says it is compatible ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results