Stepper control strategies

[Carter Shore]

Sorry pete, but in the real world, the drives grind!

--- Peter Gargano <peter at ntserver.techedge.com.au>
wrote:
> Floppy drives have a track 0 sense output that the
> FDD controller processes and returns as a status bit
> 
> to the driver software. Stepping out beyond track 0
> serves no purpose other than stressing the
> mechanical
> components. Grinding noises are a sign of a problem,
> either in the software, the FDD circuitry, the FDD
> cable, or perhaps the FDD itself.
> 
> Peter D. Hipson wrote:
> Re: GM stepper control strategies
> 
> > When you boot your PC, that grinding noise you
> hear from the diskette drive
> > is the same thing, pull the head back to the stop,
> then pull back more just
> > to be sure.
> 
> regards, Peter Gargano
> 

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