Dual computers boost system performance
By Warren Webb, Technical Editor -- EDN, August 18, 2006
Many aerospace and military applications require redundant or parallel processors to achieve extended availability requirements while meeting performance goals. So why not include redundant hardware on a single board?
General Micro Systems has done just that with the V469 Patriot, a new VXS (VME switched serial), dual-processor, single-board computer that claims to provide higher "horsepower density" per watt than any other current technology. Unlike other dual-processor boards, the Patriot utilizes two independent M-760 Pentium-M processors that offer 100% redundancy, including power, cooling, and I/O.
Each half operates at 2.0 GHz and has its own Fibre-Channel connection with boot capability. The two halves communicate via a direct Gigabit-Ethernet link. Support for the board is available under Windows XP/2000, VxWorks-Tornado II, and Linux. Pricing starts at $4700 (100).
