Restoring an XT - transfer problem
cisin at xenosoft.com
Sat Feb 24 15:53:38 CST 2007
> > Try masking off pin 34.
> Why would that make a difference, if Chuck does the former routinely?
> What does pin 34 do?
Some drives used pin 34 for READY, and some used it for DISK CHANGE.
If your computer is expecting it to be used for READY, then you will
get erroneous "DEVICE NOT READY" responses, particularly when you
Conversely, a mismatch can give you a situation where DOS doesn't realize
that there has been a disk change, and uses buffered copies instead of
reading the disk after a change!! If you ever get the DIR of the
previously read diskette showing up instead of the current ones, then
ALWAYS press ctrl-C every time that you change a disk!
Grumpy Ol' Fred cisin at xenosoft.com
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