Path: shellx.best.com!usenet From: Vance Socci Newsgroups: alt.sys.pdp10 Subject: Re: Compuserve and the DECsystem-10 Date: Thu, 28 Sep 95 14:03:38 PDT Organization: Best Internet Communications Lines: 38 Message-ID: References: <448ln3$33p@news.onramp.net> NNTP-Posting-Host: vsocci.vip.best.com Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Newsreader: NEWTNews & Chameleon -- TCP/IP for MS Windows from NetManage In Article<448ln3$33p@news.onramp.net>, write: > Path: shellx.best.com!news1.best.com!sgigate.sgi.com!swrinde!howland.reston.ans.net!tank.news.pipex.net!pipex!in2.uu.net!news.sprintlink.net!news.onramp.net!onramp.net!eclectic > From: eclectic@onramp.net (ECC User) > Newsgroups: alt.sys.pdp10 > Subject: Re: Compuserve and the DECsystem-10 > Date: 26 Sep 1995 10:46:59 GMT > Organization: Eclectic Computing Concepts > Lines: 41 > Distribution: world > Message-ID: <448ln3$33p@news.onramp.net> > Reply-To: eclectic@onramp.net > NNTP-Posting-Host: stemmons09.onramp.net > > In message , billw@puli.cisco.com (William > ) writes: > > >I don't know if there was ever an F3. The F4 was a faster F2, with > >ethernet and stuff. I spent some time adding TCP to TENEX for use on > >F2s and F4s. > > > >The F5 was supposed to be a tiny version of the F4 (as in multiple F5s > >would fit in a 19" rack, or a single F5 would fit by your desk.) I don't > >think the F5 ever made it to production, but it was supposed to show up > >in the early to mid 1980s. > > > >BillW > The F3 was a modifed F2 made for Tymshare, Inc. circa 1979. It had special microcode to allow it to interface to Tymnet, and microcode to make it look approximately like a KL-10. (I finished off and debugged the paging and trap microcode, and implemented the missing instructions which the F2 lacked like ADJBP and DMUL). /evs