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Re: 3.5 disk formatting



so, if I have a GS and my IIc and IIe dont have 3.5" drives, my best
option is to format everything 2:1 coorect?
"Charlie" <charlied@NOSPAMbboard.com> wrote in message news:<b1n44r02qfh@enews3.newsguy.com>...
> "Jon Co" <jon@i-manila.com> wrote in message
> a2c2f792.0302030703.774f7c3a@posting.google.com">news:a2c2f792.0302030703.774f7c3a@posting.google.com...
> > I know this is in the FAQ somewhere but I couldn't for the life of me
> > find it when I need the answer.  What is the difference between 4:1
> > and 2:1 formatting?  Copy II plus calls one high-speed format... which
> > is which.  which is best for the apple 3.5 drive and which one is best
> > for the unidisk 3.5?
> 
> The numbers refer to the interleaving of the sectors on a track.  How fast
> either one is depends on how fast the system (drive, controller, & CPU) can
> decode the data that it reads.  If the system can decode it fast enough to read
> another sector after only skipping one sector then 2:1 is fastest.  If not then
> 4:1 is faster.  An Apple IIgs with an Apple 3.5" drive is faster with 2:1
> formatting.  I believe a Unidisk on an Apple IIc is faster with 4:1 formatting
> although I've never checked this.
> 
> Charlie