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Now we wait for devices to show up

Several years ago when PCI-Express was being developed, the technology was also being designed to support devices outside of the traditional computer enclosure. While "internal" PCI-Express took off, development and support for external devices was slow. This week, the PCI Special Interests Group (PCI-SIG) announced the availability of the PCI-Express external cable specification revision 1.0.

With the new specifications fully defined, cables will be developed for all PCI-Express link widths including: x1, x4, x8 and x16. This allows for devices such as external high-speed storage controllers, network or fabric interfaces and graphics adapters to use the technology.

According to PCI-SIG chairman Al Yanes, external PCI-Express products should now be in full development and show up on the market in less than a year. "This specification helps the industry create new products that will take PCIe technology out of the box – enabling PCIe solutions for IO expansion drawers, external graphics processors, tethered mobile docking, communications equipment and embedded applications,” said Yanes.

External PCI-Express devices will be able to use signaling rates up to 2.5 gigatransfers per second (GT/sec). Of course, the host, adapter and cable must be able to support those speeds, but the future looks promising according to the specification's outline. Later on, 5GT/sec. rates will be possible. Some applications for this type of technology include stacking storage arrays together by using the external PCI-Express interconnect rather than relying on Gig-E networking.



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By ElJefe69 on 2/12/2007 11:31:54 AM , Rating: 2
Yes exactly what I thought! being a devotee of silentpcreview.com for years, I have made my gaming machine using one undervolted 120mm fan. If I could remove the video card from the case, I could easily passively or at least near silently cool it. I could get a r600 xtx, rip off the cooling and make it work in a silent setting.

clusters and linux.... one could make a cheap small form factor setup with onboard video, like a 3200 amd64 chip, put that into the cluster for a few hundred dollars... lots of fascinating possibilities. One could make their own google computer :)



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