In message , Paul
writes:
J. P. Gilliver (John) wrote:

OK. What _does_ a non-quick format do then, that a quick one
doesn't?

Reads all the sectors.

Ah - just a read. I'd assumed it did a write.

Updates $BADCLUS based on the results.

(Segregates bad clusters so the file system doesn't use them.)

That's my understanding at least. I don't think I've
ever fired up any forensic tools to see what it's doing.

Paul

--
J. P. Gilliver. UMRA: 1960/1985 MB++G()AL-IS-Ch++(p)Ar@T+H+Sh0!:`)DNAf

What a strange illusion it is to suppose that beauty is goodness. -Leo Tolstoy,
novelist and philosopher (1828-1910)