10 Oct
2001
10 Oct
'01
2:56 p.m.
XenoSoft skrev:
[snip]
THAT part is trivial.
What is a little harder is that a 2.8M drive (It is NOT
2.88 for anybody
who knows how to multiply) uses a data transfer rate of about 1 Meg bits
per second - twice that of the 1.4M. Although, in theory, it would be
"possible" to build a drive that spun at 150RPM to be able to use the
slower data transfer rate that 1.4M drives are accustomed to. (It was
done with 1.2M 5.25" in order to add high density to XT controllers!)
That was also done by good old cost-cutting Commodore in order to add HD
capabilities to the Amiga 3000 and 4000. They ordered a batch of custom-made
drives which would step down to half the rate when using HD floppies, so that
the same old floppy controller could keep up.
Which makes using Commodore's HD drives nearly unbearably slow, I might add.
There are other solutions, though, such as Power Computing's drives or the
Catweasel.
--
En ligne avec Thor 2.6a.