IDE disk problem

Kostas Sfakiotakis kostassf at cha.forthnet.gr
Thu Apr 14 22:48:49 UTC 2005


Joel wrote:
>>Generally, in my experience, intermittent errors can sometimes occur on
>>a CS cable with the drives jumpered as master/slave. I have never had a
>>problem with the drives set to CS though.
> 
> 
> I wonder if this might be due to selecting a drive as master but hanging
> it in the middle. I'm thinking that floating input could cause the
> controller to miss selects forced against the pattern, and suspicious
> that manufacturers may not be testing the controllers, cables, and/or
> drives with slave and master strapped, but master in the middle. 

Well how do you explain in binary logic the float thing ?

> And, of course, if you only attach one drive in the middle and try to
> force it to master by strapping it, at UDMA speeds, you _will_ get
> reflection.
> 
> --
> Joel Rees   <rees at ddcom.co.jp>
> digitcom, inc.   株式会社デジコム
> Kobe, Japan   +81-78-672-8800
> ** <http://www.ddcom.co.jp> **
> 




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