Thread: SD card adapter
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Old 07 September 2014, 08:37   #9
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Join Date: Dec 2013
Location: Lake Havasu City, AZ
Posts: 400
I found this project by Bruce Abbott:

Testing with a stock A500 gives R/W speeds of 64K per second (over 114K with a A1200/030). It uses a system friendly device driver and has to wait on the Zip drive to respond to commands. So, I should be able to beat this speed with a DMA'd SD card. That would be plenty fast enough for copying files.

I guess if the partition was setup with CrossDosFileSystem I could probably just make a block transfer driver without having to handle the FAT32 on my device, but I bet that would really kill the speed. CrossDos is pretty slow,

Last edited by JimDrew; 07 September 2014 at 20:17.
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