I got a 100gb drive to recognize fine, but not a 1tb or 500gb (all 3 are 2.5" sata)
in each case it can be assumed that I covered the basics using fat32, no files over 2gb, etc.
I am formatting and copying content now to an older 2.5" 250gb pata drive.
not sure how you got a 640gb partition to recognize?
the only difference that immediately comes to mind for my failure and your success is that your hdd has a 120 power supply. mine I am first trying without any external power, but if needed I can use a usb Y cable, where the power wire can connect to a cigarette/usb power source (at lea