Unexpected floppy behavior...
wh.sudbrink at verizon.net
Mon Mar 21 07:38:34 CST 2005
Steve Thatcher wrote:
> From: Bill Sudbrink <wh.sudbrink at verizon.net>
> > Ah, yes, in each of my tests, the unpowered drive was set for
> > DS2 (drive B) and TM (termination) and was at the end of the
> > cable. But, I thought that the termination was to ground?
> termination is 150 ohms (for 5.25" floppy drives) to +5vdc... one
> of the reasons that one drive only can be terminated otherwise
> the output drives can't handle the current and if there is no
> termination then there is not a valid logic high level.
That "splains" it then. Thanks!
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