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From: jbaca@nmsu.edu (BACA)
Newsgroups: comp.sys.handhelds
Subject: Re: Battery test.
Keywords: hp48sx
Message-ID: <975@opus.NMSU.Edu>
Date: 6 Apr 91 06:09:27 GMT
References: <1991Feb18.064457.12077@csn.org> <1450@lehi3b15.csee.Lehigh.EDU> <27fd06e4:2089.10comp.sys.handhelds;1@hpcvbbs.UUCP>
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Reply-To: jbaca@dante.UUCP (BACA)
Organization: New Mexico State University
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In article <27fd06e4:2089.10comp.sys.handhelds;1@hpcvbbs.UUCP> akcs.xymox@hpcvbbs.UUCP (Kelvin Chang) writes:
>Pardon me, but do I understand you correctly when you say that you have a
>smith corona 32k ram card for the 48sx ??????
>If this is true, does it work?? and is it cheaper that the 32k card from
>hp?(arount 160$ I believe).
>Please respond.
>
>Kelvin.

I have been using 2 Smith-Corona cards since January and have had no trouble
with these particular cards, although I did have to try several out before
I found two that would work.  Apparently, the  calculator is  somewhat
picky .  As I understand it, the HP cards are spec'ed to operate at a 
slightly lower voltage than the S-C cards.  It's purely a matter of luck to
find a card that works.  Fortunately, the people at Wal-Mart were willing to
let me try out each card until I found one that worked.  The most common
indicator that a given card would not be compatible is an "INVALID CARD 
DATA" error.  Just head to your local Wal-Mart, calculator in hand, and
surprise the clerks in the electronics department.  $23.84 for 32K ain't
bad!!!  Just be patient, though - I had to try 10 cards before I found a
couple of "good" cards.  

Of course, this is only my limited experience, and you take the life of
your calculator into your own hands......

tom baca