The recent RSX-11M+ "Baseline" (BL) monitors that come with the distribution
will boot just fine on very simple configurations, e.g. 11/73 with 4 MB memory
and a couple RQ-type hard disk images and will do just fine with TMSCP type
emulation (e.g. TK50). All except the very earliest 11M+ MSCP drivers are sane
and will talk to good sized disk image. Only the very latest 11M+'s will talk
to 4gigabyte+ disks though. Moving stuff in and out via disk and tape images is
pretty ideal IMHO.
If you want to do something like add additional RQ controllers in a SYSGEN that
works. Baseline comes supporting 4 disks on one controller which might have
been a little limiting with real RA80's or RD54's but with virtual disks you
just make them bigger.
Adding DECNET... assuming you mean Ethernet. Been a while since I did that. But
I bet it'll come back to me if you show me any problems :-)
e.g.
shoppa@shoppa-desktop:~/simh$ ./BIN/pdp11
PDP-11 simulator V3.8-0
sim> set cpu 4096k
Disabling CR
Disabling RK
Disabling HK
Disabling TM
sim> show cpu
CPU, 11/73, NOCIS, idle disabled, autoconfiguration on, 4088KB
sim> att rq0 rsx11mpbl87.dsk
sim> boot rq0
RSX-11M-PLUS V4.6 BL87 2044.KW System:"RSXMPL"
>RED DU:=SY:
>RED DU:=LB:
>RED DU:=SP:
>MOU DU0:"RSX11MPBL87"
>@DU:[1,2]STARTUP
>; PLEASE NOTE
>;
>; If you have not yet read the system release notes, please do so
>; now before attempting to perform a SYSGEN or to utilize the new
>; features of this system.
>;
>* Please enter time and date (HH:MM DD-MMM-YYYY) [S]: 15:33 15-oct-2011
>TIME 15:33 15-oct-2011
>ACS SY:/BLKS=1024.
>CON ONLINE ALL
>ELI /LOG/LIM
>CLI /INIT=DCL/CTRLC/DPR="<15><12>/$ /"
>INS LB:[1,1]RMSRESAB.TSK/RON=YES/PAR=GEN
>INS LB:[1,1]RMSLBL.TSK/RON=YES/PAR=GEN
>INS LB:[1,1]RMSLBM.TSK/RON=YES/PAR=GEN
>INS $QMGCLI
>INS $QMGCLI/TASK=...PRI
>INS $QMGCLI/TASK=...SUB
>QUE /START:QMG
>INS $QMGPRT/TASK=PRT.../SLV=NO
>QUE LP0:/CR/NM
>START/ACCOUNTING
>CON ESTAT LP0:
>QUE BAP0:/BATCH
>QUE BAP0:/AS:BATCH
>@ <EOF>
>sho dev
VF0: Offline Loaded Type=unknown
VF1: Offline Loaded Type=unknown
CO0: TT0: Loaded
TT0: [200,200] [200,200] - Logged in Loaded
TT1: Offline Loaded
VT0: Loaded
VT1: Loaded
RD0: Loaded
DL0: Loaded Type=RL01
Seek_Optimization=Nearest:10.
DL1: Loaded Type=RL01
Seek_Optimization=Nearest:10.
DU0: Public Mounted Loaded Label=RSX11MPBL87 Type=RD54
DU1: Loaded Type=RD54
DU2: Loaded Type=RD54
DU3: Loaded Type=RX50
MU0: Loaded Type=TK50
NL0: Loaded
TI0:
CL0: TT0:
SP0: DU0:
LB0: DU0:
SY0: DU0:
________________________________________
From: simh-boun...@trailing-edge.com [simh-boun...@trailing-edge.com] On Behalf
Of Mark Benson [md.ben...@gmail.com]
Sent: Saturday, October 15, 2011 3:18 PM
To: simh@trailing-edge.com
Subject: [Simh] 'Building' a PDP-11
Hi,
I'm trying to bootstrap a 'simple' PDP-11 for use with RSX-11M Plus 4.2 and
eventually DECnet and wondered if anyone had a hardware setup recommendation
for the SIMH simulator.
I am not after a large plethora of devices. A lot of the 'peripherals', like
the punch tape reader/punch, various cartridge drives, terminal multiplexers
etc, (which are fascinating real hardware) seem redundant for me as I am not
building an environment for a particular application or environment, I intend
to use it to run some languages and talk to my VAX and Alpha but that's
more-or-less it.
I am also confused as to wether to use a QBus or UNIBUS machine. The UNIBUS
machines seem more popular, and the XU UNIBUS ethernet controller has a driver
in the 11M Plus SYSGEN that the Q-Bus controller does not have.
Is there a 'real' world machine that is fairly basic that I could use to bas my
simulation on? Maybe an 11/83 or 11/84? About the only specification I
currently need is a TK50 tape drive to read the install tape and a hard drive
(an RQ is preferable so I can transfer the images tot he VAX emulator if needed
and that's possible?) but that aside I'm otherwise open to suggestions.
Thirdly I'd like to attach a terminal to a telnet port on the host computer
too, if possible, as I'm aware that unlike a VAX running VMS 7.3 I am unlikely
to be able to use telnet into a TCP/IP stack?
Aside from the actual simulations this has been a very interesting voyage
through specs, manuals, pictures and even the odd video of these crazy old
beasts. While I can't see myself owning a PDP-11 I am keen to at least
experience the use of RSX-11M to see what they were like.
Thanks for any help :)
--
Mark Benson
My Blog:
<http://markbenson.org/blog>
Follow me on Twitter:
http://twitter.com/mdbenson
"Never send a human to do a machine's job..."
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