henk.gooijen at oce.com
Wed Feb 1 12:46:13 CST 2006
I catched this topic in my spam filter, don't know how it got there ...
I have built the prototype for Pete and tested it in my 11/34A.
In 3 words: it works great!
You install the board in an empty UNIBUS slot, position C-D.
Further, you need a M105 in position E, and a M7821 in position F,
IIRC, but Pete's website explains it all.
See http://www.pdp-11.nl/rx11emul.jpg for the RX11 emulator in action,
or search the Classiccmp archive, two weeks ago or so ...
BTW, if your system has the (real) RX11 (for RX01) or RX211 (for RX02)
installed, you must either remove that module, or configure it at on other
CSR. Also, Pete's RX11 board does *not* short-circuit NPR (CA1-CB1),
so check the backplane, or (what I did) solder a short on Pete's board.
Remember the NPG of the RX211!
I asked Pete if he is willing to develop a PCB for the RXV11 (qbus)
too, and he said that as he has the board"fingers", that would be
do-able. So, if enough people ask for the RXV11 ... I'd like one!
- Henk, PA8PDP.
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