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From: pre1@sphinx.UChicago.UUCP (Grant A. Prellwitz)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Zenith 158 Ram Upgrade
Message-ID: <1067@sphinx.UChicago.UUCP>
Date: Tue, 20-Jan-87 01:57:01 EST
Article-I.D.: sphinx.1067
Posted: Tue Jan 20 01:57:01 1987
Date-Received: Wed, 21-Jan-87 03:00:41 EST
References: <1294@ncr-sd.UUCP> <2910@j.cc.purdue.edu>
Reply-To: pre1@sphinx.UUCP (Grant A. Prellwitz)
Organization: U Chicago Computation Center
Lines: 27

In article <2910@j.cc.purdue.edu> tim@j.cc.purdue.edu.UUCP (Timothy Lange) writes:
>The Z-158 comes with one bank of 256K chips installed.  There is room
>for two more banks of chips.  Yes, this does give a total of 768K, but
>the ram decoder only sees the first 640K. 
>-- 
>Timothy Lange
>Purdue University Computing Center
Yes, this only addresses 640 Kb  (DOS again) but there is a company called 
Computer Partners that supposedly sells a new RAM chip that will allow you to
use a ramdrive to access that top 128Kb.  They sell this for a Z-148 and a
Z-158 (different chips).  They apparently just started doing the 158.  I know
this is possible because it is done on all Kaypro PC's, but, since the chip
hasn't come in for my Z-148 yet I cannot evaluate it.  Their address/phone is:
Computer Partners
P.O. Box 1528
Suite 112 -- Waverly Building
Koger Center
Brentwood, TN  37027
(615) 373-2061.

I got this info from BUSS and talking to them on the phone.  I am in no way
connected with them, not even as a user (yet).  BTW, the chip for my 148 ran
around $26.

		Grant Prellwitz
		!ihnp4!gargoyle!sphinx!pre1
		76474,2121  CIS