On 22 Oct 99, at 12:33, Chuck McManis wrote:

> The KFQSA has got to be one of the _weirdest_ boards DEC ever made to
> control disks.

One question...I am looking for one of these and I was wondering if 
there is any real difference between KFQSA-BA/SA/SE or can they 
be used interchangeably?