On Dec 12, 10:32, emanuel stiebler wrote:
> Patrick Finnegan wrote:
> > From what I understand, the 11/73 and 11/83 are both J-11 cpus, the
only
> > difference being that the /73 runs at 15MHz and the /83 runs at
18MHz.
>
> the 11/73 is a double, the 11/83 is a quad size board, 11/83 has also
> PMI, and was at the beginning a 15 MHz.
No, not true. There are both dual and quad 11/73 (the quad being an
11/73-plus). The 11/73 was 15MHz, the 11/83 was always sold as 18MHz.
> OH, and the 11/83 has a very nice verbose Boot-PROM ;-)
So does the 11/73, though it's different.
Source: personal experience of field servicing all of the above types,
plus the Micro-PDP-11 Maintenance manual.
--
Pete Peter Turnbull
Network Manager
University of York
Received on Sat Dec 13 2003 - 17:50:45 GMT