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Hi. Since my last post I took a different aproach.I am using a Bootloader I found on the web to load my kernel from a FAT12 floppy. Text I/O and ISR`s work fine, but I can`t load anything from the floppy. I tried to write a FAT loader but it didn`t work. Has anyone writen a FAT12 driver? Please post it if you have or if you know any good resources for me to check out.

You can find many working FAT loaders on the web. Try at the Bona Fide OS site (http://www.osdever.net/downloads.php#bootsectors).

If you are looking for a driver to understand how the FAT works you can find a good driver in "The Mobius" operating system - by Tim Robinson - (http://sourceforge.net/projects/mobius/)

Otherwise you can find a FAT12 driver also in my kernel (http://sourceforge.net/projects/minirighi), but it is a bit more confused than the Tim's driver... ;D

Thanks, I got it working! THanks for your time.