> 
> I have a uVAXII with an apparently dead RD53 drive. I found an external RD54
> drive and installed it in the system case. Does anyone know which jumpers
> (if any) on the RQDX3 controller have to be changed to use the RD54? I saw
> some posts referring to W23, but I have know idea which jumper this is. Thanks.
> 
You don't have to change any jumpers at all, normally. The RQDX ctlr 
reads a label on the disk to find out what disk type it is.

-- Ragge