Stefano,

There's a VFS API to access the expansion card but read/write is slow. It takes my TT3 over 17 seconds to write a file that was a little less than 2 million bytes to an SD card. Keep in mind this was with 32K block sizes. The larger the block you can write in a single API call, the faster it will be. The speed slows down dramatically if you're writing small fields at a time.

Lorraine

At 10:09 PM 11/4/2004 +0000, you wrote:
Hi all,
I've a problem in an application developed in c++ that should run preferably in treo 600. The problem is that in some situations I have more than 24mb of data, so there isn't much ram. I haven't never used expansions cards, and I would know if they can be a solution. For example, can I access data on them in an easy way (or I have to transfer a pdb in main ram, before reading data)? And data access is enough fast, or is it very slow, compared with main ram?
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