28 Jul
2005
28 Jul
'05
12:40 p.m.
TG43 is mostly a relic signal of older 8" drives.
Not all
of them used it. Also it's supposed to be meaningless on read.
I may add that more than a few designers also used demuxed TG43
to switch write precompensation in DD modes on 8" drives for
better data reliability.
Can you elaborate.?
Is this for a Cpro Disk-1(A) or something from the
ground up?
No, it for my ImageDisk utility, which is a replacement for
TeleDisk with a documented image file format - I want to provide
support for 8" drives that need TG43.
Regards,
Dave
PS: For those on my list - I'm making some last minute changes
so I won't be sending the update until this evening.
--
dave04a (at) Dave Dunfield
dunfield (dot) Firmware development services & tools: www.dunfield.com
com Collector of vintage computing equipment:
http://www.parse.com/~ddunfield/museum/index.html
28 Jul
28 Jul
1:11 p.m.
On Thu, 2005-07-28 at 08:40 -0400, Dave Dunfield wrote:
What platforms does it work on? (I could certainly use something for
Linux which was able to do as much as possible with the crappy PC
FDC... :-)
Presumably DOS-only? (Was there ever even a teledisk for Windows?)
cheers
Jules
Is this for a
Cpro Disk-1(A) or something from the ground up?
No, it for my ImageDisk utility, which is a replacement for
TeleDisk with a documented image file format - I want to provide
support for 8" drives that need TG43.
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7107
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dave04a＠dunfield.com -
julesrichardsonuk＠yahoo.co.uk