PC Floppy Cable, was Re: MFM/RLL data recovery

[Fred Cisin]

Is your drive jumpered for "Motor ON on drive select"?


On Wed, 6 Apr 2005, Marvin Johnston wrote:
> Are you sure that Drive A on a PC won't work on a straight cable?
> Something in the back of my mind says that I used to change the drive
> select jumper *AND* make sure a terminator was installed for the floppy
> to work fine on a straight cable as Drive A. I do know that not having a
> terminator installed (on the last drive of the string) can make for some
> really strange and intermittent behavior on both HDs and Floppy Drives.
> >
> > On the hard drive cable the twist merely changed the drive select signals,
> > on the floppy drive cable both the drive select and motor on gets twisted.
> > The floppy drive cable must be twisted to have drive A work properly the
> > hard drive can work with or without a twist.