Date: Tue, 12 Nov 1996 08:08:15 -0700 From: vanmaren@fast.cs.utah.edu (Kevin Van Maren) To: current@FreeBSD.org, smp@FreeBSD.org, smp@csn.net Subject: Re: GigaByte GA-586DX-512 Motherboard Message-ID: <199611121508.IAA02827@fast.cs.utah.edu>
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+--- | The performance difference between PS/2 and EDO Ram's isn't so | large, that it's worth the higher price. This was the case with | single processor boards, and I think it's also true with mp boards. +--- Actually, FPM RAM is slightly MORE expensive than EDO at the moment. Parity RAM is defintely more expensive than both. Seems like comapnies are producing a lot more EDO these days so prices have come down. One good source for RAM is ChipMerchant: http://www.thechipmerchant.com/ (Careful, the CPU prices are "cash only", bu the listed RAM prices are Credit Card prices). +--- | I'd buy PS/2 RAMS with 60ns and Parity (since most mp boards support | parity checking - or am I wrong -) and would choose a 133 MHZ CPU, | because then memory and bus bandwidth are higher ! 66MHz instead of | 60 MHz. +--- All the 430HX (Triton II) boards support parity (and ECC). Most current (Pentium) baords are Triton-II, inclduing the Gigabyte 586DX-512. --Gene Actually, there are a couple of places that *say* they have Parity EDO...for $12/MB. If you want reliable hardware, go Parity; if it crashes, you'll at least know you have a memory problem. EDO will give a read B/W improvement, but hopefully most things are in the cache anyway. Burst EDO (I haven't found anyplace that wants to sell it to me) improves Write B/W as well. When Parity Burst EDO (or SDRAM is also supported) is available, I'll probably make the plunge; until then I'll stick with 60ns FPM w/parity.
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