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No Fragments Archive 10: Diskmags
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nf_archive_10.iso
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IINFO53.MSA
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TEXT_NEWFLOP.TXT
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1991-07-11
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1.44 Meg drive for ST's NEW FLOPPY DISK CONTROLLER CHIP
Another reply to Willie, from Bob Brodie (Atari User Group Coordinator)
That has nothing to do with using a high density floppy. The *only*
consideration is the disk controller chip...
...The 1772 in use at present in TTs is the same chip that we've used
all along in the ST, STE, Mega STE. It has not changed. In order to
get to 1.44 meg floppyies (or higher) we need a chip that can handle
the higher bus speeds that computers like the TT030 have. So, we
are/have reverse engineered the 1772 to handle high density floppy
drives and higher bus speeds. That chip, when available, will be pin
compatible with the existing 1772s. All present TTs and Mega STEs are
being sold with the 1772 socketed, for easy removal and replacement
when the new chip becomes available...We could have abandoned the WD
1772, and with it, a heck of a lot of the software that runs on the ST
*and* the TT.
Since the chip is pin compatible, it should work in all existing mac-
hines. Then all you will have to do is go out and get the best deal
you can on a 1.44 meg floppy mechanism.
* * * * *