RL02 version of UNIX6?

[Mark Matlock]

>> On Feb 2, 2017, at 11:19 PM, william degnan <billdegnan at gmail.com> wrote:
>> ...
>> I am curious to see  what OS's run on an 11/40 without the EIS card other
>> than RT-11.  I am researching this.  I have always wanted to learn more
>> about batch-11.
> 
> You mean DOS/BATCH?  Yes, that would run on that machine, it's an 11/20 OS.  So would the pre-Batch version of DOS-11 (V4).
> 
> Another OS that would run on your machine (as well as an 11/20) would be RSTS-11 (V4, or I suppose V3 if you can find that), the predecessor of RSTS/E that didn't use the MMU.
> 
> It may be that some flavors of RSX-11/M or /S can be built with no EIS, since it's supposed to be possible to build a non-MMU version at least of /S.  But I don't know the specifics (no RSX experience).
> 
> 	paul

Bill, Paul,
    I have been tinkering with old versions of RSX11M (back to V2) on non-mapped CPUs, primarily PDP-11/05 as I hope to get mine running soon. On Simh
with the CPU set as a PDP-11/05 which does not have EIS (I also tried an 11/40 but the SET CPU NOEIS in Simh gave me an error so I couldn't be sure if it was disabled) I was able to boot the baseline distribution for RSX11M V4.0 on a RL02 distribution. See details below on the config I tested. RSX11M is a pretty capable multitasking, multiuser system and would be good fit for the PDP-11/40.

Best,
Mark

sim> sho cpu
CPU	11/05, idle enabled, autoconfiguration enabled
	64KB
sim> sh rl
RL	RL11, address=17774400-17774411, vector=160, 4 units
  RL0	2621KW, attached to rsxm32.rl01, on line
	write enabled, RL01
  RL1	2621KW, attached to excprv.rl01, on line
	write enabled, RL01
  RL2	2621KW, attached to mcrsrc.rl01, on line
	write enabled, RL01
  RL3	2621KW, attached to rlutil.rl01, on line
	write enabled, RL01
sim> b rl


  RSX-11M V4.0 BL32   28.K (BASELINE)
>RED DL:=SY:
>RED DL:=LB:
>MOU DL:RSXM32
>@DL:[1,2]STARTUP
>* PLEASE ENTER TIME AND DATE (HR:MN DD-MMM-YY) [S]: 17:52 04-FEB-80
>TIM 17:52 04-FEB-80
>* ENTER LINE WIDTH OF THIS TERMINAL [D D:132.]: 80.
>SET /BUF=TI:80.
>@ <EOF>
>dev
DL0: Mounted Loaded Type=RL01
DL1: Loaded Type=RL01
TT0:
NL0:
TI0:
CO0:    TT0:
CL0:    TT0:
LB0:    DL0:
SY0:    DL0:
>ins $pip
>pip /li


Directory DL0:[200,200]
4-FEB-80 17:52

BLDLAINIT.CMD;1     14.        22-JAN-82 10:19
SGNBLDDRV.CMD;1     19.        22-JAN-82 10:19
SGNKLAB.CMD;1       70.        22-JAN-82 10:19
SGNSTAND.CMD;1      4.         22-JAN-82 10:19
SYSGEN.CMD;1        85.        22-JAN-82 10:19
SYSGEN2.CMD;1       79.        22-JAN-82 10:19
SYSGEN3.CMD;1       52.        22-JAN-82 10:19

Total of 323./323. blocks in 7. files