Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!elroy.jpl.nasa.gov!jarthur!uunet!sjsca4!poffen
From: poffen@sj.ate.slb.com (Russell Poffenberger)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: RAMs for 386 system
Message-ID: <1990Sep21.145432.12930@sj.ate.slb.com>
Date: 21 Sep 90 14:54:32 GMT
References: <4033@quiche.cs.mcgill.ca>
Reply-To: poffen@sj.ate.slb.com (Russell Poffenberger)
Distribution: na
Organization: Schlumberger Technologies, San Jose, CA.
Lines: 18

In article <4033@quiche.cs.mcgill.ca> tinyguy@quiche.cs.mcgill.ca (Yeo-Hoon BAE) writes:
>Hi, could anyone suggest what speed ram chips should I be using for 
>20MHz 386 system??? I think it's not a cached, so I assume I need a
>reasonably fast, perhaps 70 or 80ns chips.... It takes ZIPS.
>Thanks in advance.
>
>-TG


How many wait states does the system provide? Does it use interleaved memory
access? The right answer depends on a lot of factors. 80ns will most surely be
good enough. 100ns will probably work, especially if there are 1 or more wait
states and/or it uses interleaved memory.

Russ Poffenberger               DOMAIN: poffen@sj.ate.slb.com
Schlumberger Technologies       UUCP:   {uunet,decwrl,amdahl}!sjsca4!poffen
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San Jose, Ca. 95110             (408)437-5254