Re: 9V AC needed for C64? and more......

From: Ojala Pasi 'Albert' (albert_at_cs.tut.fi)
Date: 1998-09-04 10:30:21

> >Read: MFM uses two disk bits for each data bit.
> >See http://www.cs.tut.fi/~albert/Dev/ -> C1581
> 
> Isn't that inefficient compared to GCR (five disk bits for four data bits)?
> Or is it more complex than that?

Yes and no. With MFM you never have two consequtive 1-bits and thus
you can pack the bits closer together.

-Pasi
-- 
"So, what's the occasion?"
"Who says there has to be an occasion to invite you to join us for dinner?"
"I didn't get to be a head of security for my good looks."
	-- Garibaldi and Sakai in Babylon 5:"Chrysalis"
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