[li]If it’s a 2 sheep drive, certainly; if it’s a 1 sheep drive, probably; if it’s a 0 sheep drive, maybe (though some form of emulation will probably be required. Either alcohol or CloneCD will be fine. Appropriate setting depend upon whether your drive is 2, 1 or 0 sheep.
[/li][li]Not so far as I am aware.
[/li][li]Take Womble’s sheep test to find out. [note that it is unlikely that a change of firmware will affect the cpacity of your drive to write weak sector patterns.]
You should also note that-
[li]Whatever method you use, if you want to run the back-up copy from a burner rather than an ordinary cd/dvd rom, you will need an atip hiding utility such as alcohol’s Ignore media type or CloneCD’s hide cdr media.
[/li][li]Most (though not all) safedisc v.2.51 protected cds will run only from their installation drive (unless you edit your registry).