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From: frechett@spot.Colorado.EDU (-=Runaway Daemon=-)
Newsgroups: comp.sys.handhelds
Subject: Re: Battery test.
Keywords: hp48sx
Message-ID: <1991Apr9.083547.10926@colorado.edu>
Date: 9 Apr 91 08:35:47 GMT
References: <1450@lehi3b15.csee.Lehigh.EDU> <27fd06e4:2089.10comp.sys.handhelds;1@hpcvbbs.UUCP> <975@opus.NMSU.Edu>
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In article <975@opus.NMSU.Edu> jbaca@dante.UUCP (BACA) writes:
>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
I am sorry that you went through so much trouble, but this isn't true.  
If it were then I would have had to send back my CMT 128K card and HP 128K
card.  They both gave me the INVALID CARD DATA when I put them in the first
time.  Actually, I have had the battery out of the HP card long enough to let
it fade away, and it gave me that error again when I put it in.  
The SC card I have also told me this.  IT is just because the card is pretty
much scrambled when you put it in the calc.  As soon as you merge it, it 
formats it to something that it likes..

As for finding BAD cards... If you put the card in the calc, turn it on 
and the screen goes black and then does the fun fading effect, then you 
know that it is bad.  Pull the card emediately.  Don't worry about 
whether the calc is on, just get the card out.  Use the reset button to 
restore it.  I had this happen once when I put the card in another person's
calc who had a VERY VERY low battery.  

	ian

-=Runaway Daemon=-