Re: [CQ-Contest] Two DVP's in one computer?

["David A. Pruett" <k8cc@comcast.net>]

I am not a DVP expert, however from what I understand about the operation 
of the hardware and the associated TSR, each DVP will almost certainly have 
to have it's own IRQ and instance of DVPTSR.


, but At 09:15 PM 1/27/04 -0500, Mark Bailey wrote:
> Good afternoon, all:
>
> Has anyone tried installing TWO DVP's in a single computer under DOS?
> This would be for use with TRLog and CT.  Only one DVP would be used
> at a time.  It looks like I can change the base address of one DVP from
> the default 0x308 to 0x300 by removing jumper JP2.  The DVP in use
> would be selected using the address as an argument when starting
> DVPTSR.
>
> Both DVP's would share IRQ7 with the parallel port.
>
> Any thoughts on whether this will work?  I don't have the computer and
> DVP's here.  I want to ask before making a rather long drive!  I don't
> see why it wouldn't work, though.  :-)
>
> Thanks in advance and 73,
>
> Mark, KD4D
>
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   The world's top contesters battle it out in Finland!
THE OFFICIAL FILM of WRTC 2002 now on professional DVD and VHS!
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