Re: 8250 help needed

From: William Levak (wlevak_at_cyberspace.org)
Date: 1999-06-05 05:01:32

On Fri, 4 Jun 1999, Nicolas Welte wrote:

> Hi,
> 
> does anybody know how to do the following things on a 8250:
> 
> Disable head bump on error and/or set the number of retries on an error.
> This is a single m-w command on the 1541. I need it to read in some disk
> images with prlink, and every time I read a 8050 format disk, there is
> an 21 read error on track 78, naturally. The drives answers with the
> head bump and this is very annoying and might also hurt the drive. Not
> to mention that it takes some time, which is of course negligible when
> compared to the disk image import time.
> 
> Format an 8050 format disk (single sided). I guess this can also be done
> with a single m-w command. But which one?

I have a routine, somewhere, that will convert a 8250 formatted disk to an
8050 format.  The format on the second side is still there, but the BAM
and diresctory are modified to say it isn't.  This works so well that once
it is done, the 8250 will no longer write to the disk, but only read from
it the same as if it were formated on a 8050.  If this is what you need, I
can search for it and upload it.

 


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