11/45 works, but....

[Gooijen, Henk]

________________________________

Van: cctalk-bounces at classiccmp.org namens Brad Parker
Verzonden: ma 19-03-2007 16:44
Aan: General Discussion: On-Topic and Off-Topic Posts
Onderwerp: Re: 11/45 works, but.... 




"Jay West" wrote:
...
>fault. So there is apparently something that the RL controller doesn't like
>about the RX02 controller? The NPR jumper is removed for the two slots where

Is the rx02 controller a dma device?  I'm probably wrong but I don't
think I've put it in slots where the NPR was removed. 

The RL11 sure is, but I thought the rx02 was "by hand", i.e. not a bus master.

It probably doesn't matter, since if it isn't it probably loops NPR on
the card.

-brad

Nope, RX02 uses NPR, thus CA1-CB1 must be cut.
RX01 did not use NPR, it was programmed I/O. Nt sure if RX01 has the
CA1-CB1 jumpered on-board ... there are a few (old) UNIBUS modules
that do *not* have a jumper on those two contacts!
If RT-11 runs, you can do .SH CONF and see the addresses/vectors.
Perhaps there is something.

- Henk.






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