Ok, I used the mini.iso image, and followed the directions you wrote. After running debian-installer, the gui started, but the touchpad still didn't worked.
The only related messages I got on the console are: ... (*) Direct/Modules: suppress module 'linux-input' ... (!) DirectFB/FBDev: Panning display failed! --> Invalid Argument ... The other messges seem only informative. I'll wait for further instructions. Thanks and best regards, Alejandro Ríos Peña.
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