Which RT-11 for an 11/03

Gary L. Messick Gary at realtimecomp.com
Thu Mar 10 19:29:21 CST 2016


Again, I don't really have much experience with RT-11.  Is it possible the disk image has drivers for the disk system (which you don't have) and is crashing?  Jerome Fine is the expert on RT-11.

Jerome?  Any ideas?

Gary

> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Richard
> Cini
> Sent: Thursday, March 10, 2016 8:25 PM
> To: CCTalk
> Subject: Re: Which RT-11 for an 11/03
> 
> Gary, et. al.--
> 
> Ok, I spent some time trying this again, and here’s what I did. The system is
> very basic — LSI-11 CPU, 32kw of RAM and two SLU cards. Using PDP11GUI
> and TU58em emulator. XXDPD2D tape image loads and runs properly with
> this configuration and the standard boot loader.
> 
> Based on the instructions on Malcom Macleod’s site, I prepared an RT-11
> TU58-target tape image from the base RK05 image from the SIMH
> distribution. The key incantation is:
> 
> COPY/BOOT:DD RK0:RT11SJ.SYS RK0:
> 
> What this should do is make the disk image bootable as a TU58 image.
> 
> Next, I fired-up TU58em, loaded the boot loader into the H11 and ran it.
> Here’s the log from TU58:
> 
> D:\DEC>tu58em -v -p 3 -s 9600 -w rtv4_dd.dsk >>log.txt
> info: unit 0 rw   file 'rtv4_dd.dsk'
> info: serial port 3 at 9600 baud
> info: TU58 emulation start
> info: R restart, S toggle send init, V toggle verbose, D toggle debug, Q quit
> info: emulator started
> info: boot     unit=0 blk=0x0000 cnt=0x0200
> info: read     unit=0 sw=0x00 mod=0x00 blk=0x0002 cnt=0x0800
> info: read     unit=0 sw=0x00 mod=0x00 blk=0x0006 cnt=0x0400
> info: read     unit=0 sw=0x00 mod=0x00 blk=0x0008 cnt=0x0400
> info: read     unit=0 sw=0x00 mod=0x00 blk=0x000A cnt=0x0400
> info: read     unit=0 sw=0x00 mod=0x00 blk=0x000C cnt=0x0400
> info: read     unit=0 sw=0x00 mod=0x00 blk=0x0134 cnt=0x0A00
> info: read     unit=0 sw=0x00 mod=0x00 blk=0x0085 cnt=0x0132
> info: read     unit=0 sw=0x00 mod=0x00 blk=0x0086 cnt=0x3CC8
> 
> At this point, the RUN LED goes off and the system halts.  It looks like the
> boot loader is loading and running the second-level loader on the tape, but
> something happens after that. Not sure where to go from here.
> 
> Thanks all!
> 
> Rich
> 
> --
> Rich Cini
> Collector of Classic Computers
> Build Master and lead engineer, Altair32 Emulator
> http://www.classiccmp.org/cini
> http://www.classiccmp.org/altair32


More information about the cctalk mailing list