50g

In addition to the reply you got, check out messge 653 of this group...

http://tech.groups.yahoo.com/group/50g/message/653

...in particular, notice the suggestion to use FAT16.

--- On Sun, 8/2/09, rickwendel763242 <rickwendel763242@...> wrote:

> From: rickwendel763242 <rickwendel763242@...>
> Subject: [50g] Can anybody help me with memory management?
> To: 50g@yahoogroups.com
> Date: Sunday, August 2, 2009, 9:30 AM
> The calculator only has 1.5 MB of
> memory for programs if distributed amongst Ports 0, 1, and 2
> I think.  At any rate the place where you'd logically
> store programs (the HOME directory) is actually RAM, limited
> to 241 KB.  Anytime RAM has a slight hiccup in its
> operation the calculator dumps everything.  It's kind
> of cool.  The whole screen starts to fizzle with little
> black dots, and then everything is gone.  So, its time
> to start using SD cards.  The calculator will format
> unformatted SD cards in FAT32 and excepts either FAT16 or
> FAT32 but most cards are already formatted.  First, of
> all there are a lot of SD cards out there, which one is the
> right size and who has them?  Second, how much memory
> can the card have?  Once the card is working, can you
> change the directory to Port 3 and/or a subdirectory in Port
> 3 and have it remain there until it's changed again like in
> the other directories or do you have to type some cryptic
> code to gain access to objects in Port 3 subdirectories
> under the same directory you in?  And lastly, when you
> fill up a large SD card, and have concerns about backing it
> up with another, how do you do it without being able to
> transfer it to the calculators existing memory?  If you
> make a copy of the SD card using the computer, how is this
> done given that your computer has a MMC/SD card slot i.e. is
> it simply highlight it and click on copy?
>
>
>
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