From mboxrd@z Thu Jan 1 00:00:00 1970 From: bqt@update.uu.se (Johnny Billquist) Date: Sat, 20 May 2017 22:40:49 +0200 Subject: [TUHS] Unix with TCP/IP for small PDP-11s In-Reply-To: References: Message-ID: On 2017-05-20 20:18, Warner Losh wrote: > > > On Sat, May 20, 2017 at 4:46 AM, Johnny Billquist > wrote: > > On 2017-05-20 04:00, Warner Losh > wrote: > > https://ia601901.us.archive.org/10/items/bitsavers_decpdp11ulLTRIX112.0SPDSep84_870730/AE-X370C-TC_ULTRIX-11_2.0SPD_Sep84.pdf > > > Looks like it requires MMU, but not split I/D space as it lists the > following as compatible: M11, 11/23+, 11/24, 11/34, 11/40 and > 11/60. It > does require 256kb of memory. See table 2, page 6 for details. > > > > Uh...? Where do you see that there is any TCP/IP support in > Ultrix-11? If any was done by someone else, there is no saying that > it would be usable on a machine without split I/D. To be honest, > I've never seen any mention of TCP/IP on any machine without split > I/D space. I guess it could be done, but it would be a rather big > headache... > > > I read the sources to see the TCP/IP support was there (that's the bit > about adding Berkeley Sockets). I see nowhere that it's excluded for the > non I/D machines, but haven't tried it first hand. I got interested not > because of the PDP-11, but because I have an old Rainbow that recently > started running Venix (v7-based version) and was trolling around for > some way to do TCP/IP to it (though w/o readily available ethernet > cards, I'm not sure it is a viable project). You do know that the Rainbow is not a PDP-11, right? Johnny -- Johnny Billquist || "I'm on a bus || on a psychedelic trip email: bqt at softjar.se || Reading murder books pdp is alive! || tryin' to stay hip" - B. Idol