On Wed, 1 Apr 1998 17:00:59 -0800 (PST) 
 Jonathan Stone <jonathan@DSG.Stanford.EDU> wrote:

 > If there are differences, fine.  CGD and someon with access to DEC
 > sources kept telling me the hardware is really the same, and the
 > drivers shuold be shared.
 > 
 > What are the hardware differences? The only one I know about is the
 > register settle-time, and even that may not be necessary.

The modem control lines are wired up slightly differently, for one.  And
at least on the Alpha, if you enable DCD interrupts on one of the channels,
the machine hangs.

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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