Date: Tue, 19 Nov 2002 19:13:59 -0300 From: Roberto de Iriarte <roberto@spock.cl> To: freebsd-alpha@FreeBSD.ORG Subject: Re: Alphastation 500 Message-ID: <3DDAB7A7.6060909@spock.cl> References: <Pine.GSO.4.44-Blink.0211192238200.4198-100000@thea.blinkenlights.nl>
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Sten wrote: >Just wondering if someone could update the fbsd alpha >hardware guide to reflect the fact that the alphastation >500 does NOT use regular ecc sdram dimms, ( this >one just caught me big time ). > >My current guess is that it uses 5v edo/fp dimms. >( based on the difference in the notches, and the >fact that 5v only exists for fp/edo ). > >Though no-one really seems to know :(. > >If someone knows the memory type then I'd like >to know because it would save me loads of time >chasing down the original stuff. > > > I am quite positive that the alphastation 500 uses 5v FPM DIMM´s arranged in two banks of four rows each (I think the bus is 256 bit wide, or was it 128 bit wide with 2 way interleave ?). The dimm´s need to be 72 bit wide (ECC). I will try to find the complete spec (speed, arrangement, etc.) EDO is not supported on the 500/333 that i have. The 500/500 has a different mainboard, so this could (should) not apply to it. Regards Roberto To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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