*ucpm format : normally it run, but in fact... it doesn't
*protected format : all format with strange sector size changed, and then no standards don't pass fail*double side format : as you can need to reboot in order to change disk and then reboot to insert it, so it's not done for changing impossible to change disk while you are playing *save : disk are writable, save is done in RAM, so when you turn off or reset Amstrad, all change is lost. Itit's done for let's games saving score running correctlynot persistent.
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