Boy did you get my attention! I have a project sitting on the shelf that is supposed to data log and store data on an SD card. I can't get it working either. However, I'm posting what I was working with for the FAT16 SD cards (2 GB or less).
Microchip MDD File System v.1.00.zip
SDFS.BAS
The ZIP came from Microchip. The .bas is an include file I think put together by Daryl Taylor that essentially converted Microchip's C code to PBP Basic. This is what I've been fighting with. I'll be following along the bouncing ball on this one.
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