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SBCEFCSW/SBFCM: HMM and Troubleshooting Guide
Figure 25. Expansion Card (top)
ISP2312 chip (U5): The ISP2312 chip provides a PCI-X local bus interface and two completely
independent 2 Gb serial Fibre Channel ports. Each port has a RISC processor, an integrated
serializer/deserializer (SERDES), a receive DMA sequencer, frame buffer, five-channel DMA
controller, and an external memory interface in a single-chip solution.