In a message dated 07/17/1998, 5:05:42 AM, [log in to unmask] writes: <<Isaac: 1) When you say "uses" do you mean "requires"? (I have some computers that _use_ either parity or non-parity and others that _require_ parity.) 2) Can you tell us what model this Packard Bell is? >> The one I was refering to requries parity memory. It is a packard bell 486ES. Isaac Martinez