ST506 and/or ST412 hard disk drives

[r.stricklin]

On Dec 31, 2007, at 3:57 PM, Tony Duell wrote:

> Some, if not most, ST506/ST412 interface drives output a signal on the
> data cable when that drive is selected. The idea was you could plug  
> the
> data cables into the controller in any order, and the controller could
> determine which data connector to use, which receivers to enable, etc.

That is good information I had not previously been aware of, and  
certainly does explain some behaviors I have seen in ST412 disk  
systems, which I had considered "peculiar".

ok
bear