Sun Working to Obsolete Motherboards
perl_camel_jockey writes "Sun is developing a new technology that promises to increase computing power by eliminating the need for physical, soldered chip-to-chip connections on the motherboard. Called 'proximity communications', it portends the ability for chips to talk to one another wirelessly just by being next to each other. Potential applications in computer design abound. Apparently this is part of Sun's Hero program, recipient of a $50 million grant from DARPA's High Productivity Computing Systems program to rejuvenate supercomputing in the US and regain the lead lost to Japan, in particular to NEC's Earth Simulator, ranked as the most powerful supercomputer in the world."
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About obsolete motherboards I have my doubts though. The Von Neumann (may be spelled wrong) model has been around for a long time because it has proven to work and it also supplies a lot of companies with revenue. If you only have a single chip, then a lot of companies are going to lose money and they won't like that. In fact there may be a silver lining in this that it will push motherboard manufacturers even further for fear of being wiped out by this type of technology.
Well, unless each chip comes equipped with its own miniaturized nuclear reactor, aren't they still all going to have to have leads running to the powersupply?
I don't mean to be a heckler, but are you really "doing away" with the motherboard or just reducing it to a voltage bus with transmitters and receivers replacing some of the input and output pins?
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I dont think there is much to be worried about. The system the article discribes seems to be using capasitors spaning 2 chips to interconnect components on the system. One plate on each chip. The gap between the chips woudld work like a dieletric on a normal cap.
I don't think they are trying to make a small computer with bluetooth or wifi glueing components together. Cables have more bandwidth than wireless.
The security riskes for these "wireless" connections would be no more than that of a normal capacitor of the same size.