Thank you all for your help, it's clear for me now. I see now it is an IDE to CF adapter, and I can't use it on my standard QL's.
The point is that I have been working in a CF interface for a Z80 compatible microcontroller (Rabbit 2000), and I saw it was extremely easy to implement in the hardware side. The software was not so easy, but anyway I completed all the necessary to access CF memory cards of all sizes in formats FAT12 and FAT16, leaving FAT32 only because it was not necessary. It's all done in C, so easily portable. Later I thought about implementing it on the QL (the standard QL, the only ones I have), maybe it was a nice idea. I haven't done anything on the QL, yet (too few spare time), but if it did exist, I shouldn't do anything about it. Best regards Guillermo Mesquida [EMAIL PROTECTED]