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From: ron@brl-tgr.ARPA (Ron Natalie <ron>)
Newsgroups: net.arch,net.micro
Subject: Re: How to fab One-Of-A-Kind systems?
Message-ID: <10764@brl-tgr.ARPA>
Date: Fri, 17-May-85 00:40:50 EDT
Article-I.D.: brl-tgr.10764
Posted: Fri May 17 00:40:50 1985
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> 
> >> 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.
> -- 
> 

The backplanes of the HEP, one of the worlds fastest computers with the
worlds slowest I/O system are wire wrapped.