At 00:44 +0200 23/5/02, you (Jonathan Morton) wrote: >The ATX format change was very important, as it moved the CPU and >RAM slots into much more favourable positions, among other things. >Intel, among others, likes to point out how the CPU can now be >cooled by exhausting hot air through the PSU. That's innovation, in >a small way. > >Case designers have completely failed to take full advantage of this >trend towards better airflow efficiency. Full-tower ATX cases have >the PSU half-way up, so hot air spills around it rather than being >exhausted efficiently. Drive bays are arrayed inflexibly down the >front, meaning that cables are necessarily jammed together in the >middle of the case, restricting lengthwise airflow and thus further >increasing the temperature of the CPU. > >Worse, the 3.5" bays pay no consideration to HD cooling, meaning >that my newish 7200 and 10000rpm IBM drives live in the 5.25" bays >instead, and have "baycoolers" fitted to keep them from overheating >in the already-warmed air (from the spill around the PSU). With >over a dozen fans fitted, this machine is easily the loudest object >in the room.
From K. Eric Drexler's book, Engines of Creation, on the web at <http://www.foresight.org/EOC/EOC_Chapter_5.html>: >The system consists of an assembler-built block of sapphire the size >of a coffee mug, honeycombed with circuit-lined cooling channels. A >high-pressure water pipe of equal diameter is bolted to its top, >forcing cooling water through the channels to a similar drainpipe >leaving the bottom. Hefty power cables and bundles of optical-fiber >data channels trail from its sides. > >The cables supply fifteen megawatts of electric power. The drainpipe >carries the resulting heat away in a three-ton-per-minute flow of >boiling-hot water. Today I have to worry only about the number of fans my server needs. Someday I'll have to worry about the number of cooling towers it needs. d. -- seeking employment phone +61 2 9705 9096 PGP key available NO JUNK MAIL mailto:[EMAIL PROTECTED] D A Vincent speaking for self only http://www.zeta.org.au/~dvincent "What am I expected to do? Shout 'man overboard'?" --------------------------------------------------------------------- To unsubscribe, mail [EMAIL PROTECTED] with the line: 'unsubscribe vnc-list' in the message BODY See also: http://www.uk.research.att.com/vnc/intouch.html ---------------------------------------------------------------------
