Re: Weird Floppy stuff

From: Spiro Trikaliotis (ml-cbmhackers_at_trikaliotis.net)
Date: 2005-05-21 12:28:53

Hello André,

I am sorry for the late reply. Note to myself: Never write to a mailing
list if you are going on vacation. ;-)

* On Mon, May 16, 2005 at 10:36:31PM +0200 fachat wrote:

> I have not experienced this but could this be because of a delay of
> the data signal in the mechanics? Assume the signal gets a delay of
> the multiple of half the bit time (i.e. half the time it needs to
> write a GCR bit) both when reading and when writing.
[...]
 
> Do you get what I mean?

To be honest: Now, I did not completely understand.

Just to be sure we understand ourselves correctly:

After writing to the disk, we wait for the next SYNC mark before trying
to read anything from the disk, thus, we wait some time for letting the
mechanics and the electronics "settle down".

If there were some delay in the mechanics (there might be!), then this
delay would be always there whenever we read, wouldn't it? Thus, we
would see this behaviour always.

So, I am very confused how that delay could affect reading after write.

Regards,
   Spiro.

-- 
Spiro R. Trikaliotis
http://www.trikaliotis.net/
http://cbm4win.sf.net/

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