Subject: Re: Memory: Parity vs ECC?
To: None <kpneal@pobox.com, port-alpha@netbsd.org>
From: Matt Thomas <matt@3am-software.com>
List: port-alpha
Date: 12/27/2002 17:38:17
At 02:35 PM 12/27/2002, kpneal@pobox.com wrote:
>Say, if I'm trying to buy ECC memory for my AlphaStation 200, will any
>1234x36 SIMM work? (Well, 64MB or smaller I guess.)
>
>I thought non-parity was FOOx32, parity FOOx33, and ECC FOOx36. Is
>that not correct? It's pretty easy to find "parity" FOOx36 memory,
>but I really want ECC. What's the scoop?

You want x36 FPM since the AS200 uses two bank as once so each 64bit
access has 8bits of parity which the APECS chipsets uses for ECC.


-- 
Matt Thomas               Internet:   matt@3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt/
Cupertino, CA             Disclaimer: I avow all knowledge of this message