[QuadList] Backwards extenders and boards...was:Quick question - GVG video DAs

[Don Norwood]

----- Original Message ----- 
From: "C. Park Seward" <park at videopark.com>


> When we were getting the motherboard in an ADO replaced by an Ampex 
> factory engineer, he had a worried look on his face after he finished 
> putting all the boards back in. The machine did not come up. He made a 
> phone call to Redwood City and asked one of the ADO experts what would 
> happen if you put all the boards the frame in reverse order. He said no 
> problem, nothing bad would happen.
>
> The engineer now had a relieved look on his face as he put the boards in 
> correctly. The ADO worked fine.
--------------- 
Such is not the case with Ampex Colortec/Amtec/ProcAmp.  The extender will 
only go in one way,  BUT....the card will then fit on the extender either 
way.  I did that, but only once, about 35 years ago!  There was some escape 
of magic smoke.........

Don Norwood
Digitrak Communications, Inc.
www.digitrakcom.com