I just picked up an M8044-CC (16kw) so that should hold me for a while. I need to print the manual so I can set the switches right.
Thanks all! Sent from my iPhone > On Feb 9, 2016, at 10:47 PM, Jerome H. Fine <jhfined...@compsys.to> wrote: > > >Rich Cini wrote: > >> Thanks guys. This is really helpful. I was getting confused between the >> M8044 and M7944 boards. Max memory for the LSI-11 is 32kw, right? > Correct, the maximum memory on a board is 32kw. > > For an LSI-11 (aka PDP-11/03) without any MMU hardware, > the actual maximum memory that can be accessed must also allow > for the IOPAGE registers. Usually, the IOPAGE address range > is 4 kw which leaves 28kw for everything else, including RT-11 > (assuming that is what you are running). There is one option > available with some hardware to reduce the address range > set aside for the IOPAGE to just 2kw which then leaves > 30kw for everything else. Unless you are running a specific > program which requires the extra 2kw, it is probably not > worth the extra effort. > > Jerome Fine
