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From: dhp@ihlpa.UUCP (Douglas H. Price)
Newsgroups: net.micro.pc
Subject: Re: AT Xenix(tm) memory woes
Message-ID: <1431@ihlpa.UUCP>
Date: Tue, 17-Jun-86 10:48:44 EDT
Article-I.D.: ihlpa.1431
Posted: Tue Jun 17 10:48:44 1986
Date-Received: Thu, 19-Jun-86 07:31:12 EDT
References: <14389@ucbvax.BERKELEY.EDU>
Distribution: net
Organization: AT&T Bell Laboratories
Lines: 21

> I recently purchased a Tall Tree Systems JRAM-AT memory expansion for
> my IBM AT.
> 
> I would be interested in hearing from anyone who has sucessfully used
> a Tall Tree Systems JRAM-AT with any version of Unix(R) on an IBM-AT, or
> can shed some light on the cause of this problem.
> 
> Bill Maddox

I unfortunately must join the ranks of those who haven't gotten this board
to work with XENIX.  I have a Sperry IT, an AT clone.  In my case, the machine
boots up normally, but large programs which begin to use the expansion memory
go non-deterministic.  The board passes all of the simple memory diagnostics
that I have been able to get my hands on.  Now, there have been discussions in
this newsgroup lately about incompatibilities of early Sperry (actually 
Mitsubishi) motherboards and EGAs.  I wonder if this is related?
-- 
						Douglas H. Price
						Analysts International Corp.
						@ AT&T Bell Laboratories
						..!ihnp4!ihlpa!dhp