Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!zaphod.mps.ohio-state.edu!wuarchive!uunet!cbmvax!jesup
From: jesup@cbmvax.commodore.com (Randell Jesup)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Amount of chip memory is different each time I boot, what's the deal?
Message-ID: <21950@cbmvax.commodore.com>
Date: 28 May 91 04:55:36 GMT
References: <1991May26.064123.18564@news.iastate.edu>
Reply-To: jesup@cbmvax.commodore.com (Randell Jesup)
Distribution: na
Organization: Commodore, West Chester, PA
Lines: 17

In article <1991May26.064123.18564@news.iastate.edu> skank@iastate.edu (Skank George L) writes:
>Hello folks.  My A3000 is exhibiting a phenomenon that seems strange to me.
>I recently had 4Megs of memory added.  The origional 1Meg of memory is now
>in chip ram, bringing the total chip ram to 2Megs.  Here's the problem,
>each time I boot the machine I get a different amount of chip ram available.
>Usually it's about 900K, which is what I had before the upgrade.  Sometimes
>I get 1.1, 1.4, and as much as 1.9Megs of chip ram available. 

	My first suspicion (as a software guy) would be a bad memory chip
(one that's marginal, so it fails the chip-ram existence test at different
places).  It also could be making intermittent contact, perhaps (less likely).

-- 
Randell Jesup, Jack-of-quite-a-few-trades, Commodore Engineering.
{uunet|rutgers}!cbmvax!jesup, jesup@cbmvax.cbm.commodore.com  BIX: rjesup  
Disclaimer: Nothing I say is anything other than my personal opinion.
"No matter where you go, there you are."  - Buckaroo Banzai