On Sat, Aug 14, 2021 at 2:36 PM Warner Losh <i...@bsdimp.com> wrote: > > > On Sat, Aug 14, 2021, 2:08 PM Douglas Taylor <dj.tayl...@comcast.net> > wrote: > >> On 8/14/2021 1:54 PM, Warner Losh wrote: >> >> >> >> On Sat, Aug 14, 2021 at 10:19 AM Douglas Taylor via cctalk < >> cctalk@classiccmp.org> wrote: >> >>> I ran into a YouTube video, that it is 5 years old, titled "Ultrix-11 >>> 3.1 on an emulated PDP-11/73" and I found it very interesting. >>> It shows installation of Ultrix-11 under SIMH. The fellow steps through >>> the installation process and appears to be quite knowable. >>> I wanted to replicate it but couldn't locate the *.tap file used in the >>> video that was an image of the bootable TK50 distribution. >>> Bitsavers and tuhs.org have Ultrix-11 files, but not the bootable tape >>> image. >>> Anyone know where the tape image is located? >>> >> >> https://www.tuhs.org/Archive/Distributions/DEC/Ultrix-3.1/ >> has ultrix-3.1-bootape.tar.gz and seems to be, at first blush, the boot >> tape (or its files) that you are looking for. >> >> Warner >> >> I took a look at that file and don't exactly know what to do with it. It >> is not a bootable image of a tape, but rather the files that are on that >> tape. Have to do some more digging. Its a learning experience. >> > > There are several prep programs that take the tape files and make a .tap > file. >
Distributions/DEC/Ultrix-11/Fred-Ultrix3 in the tuhs archive has complete instructions as well as a program to build the ultrix tapes Warner > Warner > >>