On 11/21/2016 05:44 PM, william degnan wrote: > On Mon, Nov 21, 2016 at 4:58 PM, Jerry Weiss <j...@ieee.org> wrote: > >>> On Nov 21, 2016, at 2:13 PM, william degnan <billdeg...@gmail.com> >> wrote: >>> On Mon, Nov 21, 2016 at 2:37 PM, Josh Dersch <dersc...@gmail.com> wrote: >>> >>>> Hi all -- >>>> >>>> I'm finally turning my attention back to my 11/40 (which I started >> working >>>> on 7 years ago and never quite got around to finishing -- I've learned a >>>> lot since then and I'm hoping to be able to debug it properly now). >>>> >>>> My ultimate goal is to run V6 or V7 UNIX on it -- I have the MMU but I'm >>>> looking for an M787 (line-time clock) and M7237 (stack limit register) >> to >>>> complete the set. I have other DEC stuff for trade, drop me a line... >>>> >>>> Thanks! >>>> Josh >>>> >>> Just curious, are you aware whether these two are required to boot a RL02 >>> disk or certain versions of RT-11? I have been experiencing >> difficulties, >>> I only have the m737 iinstalled in my system. >>> Bill >> >> RT11 will run w/o an LTC. >> >> TTBOMR the stack limit register is not need for Single Job and the >> other RT11 OS variants. However a program could overwrite the vector area >> and cause an ungraceful shutdown. Make sure the jumpers on the KD11-A >> are set >> correctly for this configuration. >> >> Using an RL02 to boot RT11 should be okay as well. >> >> Jerry >> j...@ieee.org >> >> >> >> > Not exactly what TTBOMR is but I can say that given zero luck booting RT-11 > from an RL02 on my 11/40 my next move is to emulate a TU58 drive on a 2nd > serial card and run XXDP. I can run BASIC with no problem, but it seems > like my known working (elsewhere) M7762 RT11 controller card does not wake > up when called by the bootstrap 9312 ROM, etc. > > b > Rt-11 must be configured for the controller that boots it at the CSR and vector its using (try the standard addresses/Vector). RT has few needs and will run on a 16K machine with minimal hardware (console and boot device). I have a 11/2 with 28KW and DLV11J that boots RT-11FB from TU58 (very slowly but it does!). That's a tiny 4 slot Qbus machine (BA11VA) and is very minimal.
Also make sure your trying to boot RT11SJ initially as that has the lowest needs. Allison
