Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site utah-cs.UUCP Path: utzoo!linus!philabs!cmcl2!seismo!utah-cs!b-davis From: b-davis@utah-cs.UUCP (Brad Davis) Newsgroups: net.arch,net.micro Subject: Re: How to fab One-Of-A-Kind systems? Message-ID: <3339@utah-cs.UUCP> Date: Thu, 16-May-85 11:07:00 EDT Article-I.D.: utah-cs.3339 Posted: Thu May 16 11:07:00 1985 Date-Received: Fri, 17-May-85 03:27:54 EDT References: <202@ganehd.UUCP> <183@geowhiz.UUCP> <1143@sjuvax.UUCP> <735@ssc-vax.UUCP> Reply-To: b-davis@utah-cs.UUCP (Brad Davis) Distribution: net Organization: University of Utah VCIS Group Lines: 17 Xref: linus net.arch:1012 net.micro:9116 >> Things to beware of, however: >> >> At high speed, wire wrap temds to crap out. >> (i.e. > 8 Mhz or so). Then again, so do sockets. > >Not necessarily true. At NCR we used twisted pair wire wrap in a large, >multiboard, 38-nanosecond processor. > I once helped (did software) on a project that had 15 nanosecond signals running around on the board. The only twisted pairs ran off the board to a high resolution monitor. -- Brad Davis {ihnp4, decvax, seismo}!utah-cs!b-davis b-davis@utah-cs.ARPA