North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: What is the limit? (was RE: multi-homing fixes)
> > > I recall something about liquid (something, could be nitrogen, or perhaps > even mercury) that was chilled; PC Boards were then submersed in the > liquid to keep cool. > > Maybe on Crays? > Flourinert. very odd Lime green transparent liquid. in our cray, it was in a tank with a toilet float to keep the fluid topped up. the pipe bend radii for the cray fluid was *more* than the IBM waterpipes. our floor was raised to meet IBM. we had to sweat blood to get the cray in because of a 10-12mil difference. :-( the 400hz voltage genset was deeply scary. circuit breakers that smoke when they blow, fuzes like those in 'bil(l) the galactic hero' -George
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