Melding two 550-MHz Pentium IIIs with up to 768 Mbytes of RAM, 340 Mbytes of flash, 1 Mbyte of L2 cache, 4 Mbytes of video RAM, and numerous I/O, Hydra V2P3 VME64 CPU board is designed to support symmetric and asymmetric multiprocessing. Symmetric multiprocessing is well-suited for single instruction multiple data (SIMD) applications such as graphics and imaging as it enables multiple CPUs to work concurrently on the same program thread. By contrast, asymmetrical multiprocessing enables multiple CPUs to work concurrently on the same program but not the same thread, so is better suited to compute-intensive real-time applications requiring deterministic responses. Among Hydra VP3’s I/O capabilities are two 10/100-Mbit/s Ethernet channels with Ultra-Wide SCSI, two 33-MHz Ultra33 IDE interfaces, an Advanced Graphic Port (AGP), two USB ports, and more.
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