Dell PowerEdge R210 II Technical Manual

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Dell PowerEdge R210 II Technical Manual Manual pdf 31 page image

Dell31PowerEdge R210 II Technical Guide8.16 System Management Bus (SMBus 2.0)The chipset contains an SMBus Host interface that allows the processor to communicate with SMBusslaves. This interface is compatible with most I2C devices. Special I2C commands are implemented.The chipset‘s SMBus host controller provides a mechanism for the processor to initiatecommunications with SMBus peripherals (slaves). Also, the chipset supports slave functionality,including the Host Notify protocol. Hence, the host controller supports eight command protocols ofthe SMBus interface.The chipset‘s SMBus also implements hardware-based Packet Error Checking for data robustness andthe Address Resolution Protocol (ARP) to dynamically provide address to all SMBus devices.8.17 Intel Virtualization Technology for Directed I/OThe chipset provides hardware support for implementation of Intel Virtualization Technology withDirected I/O (Intel VT-d). Intel VT-d Technology consists of technology components that support thevirtualization of platforms based on Intel Architecture Processors. Intel VT-d Technology enablesmultiple operating systems and applications to run in independent partitions. A partition behaves likea virtual machine (VM) and provides isolation and protection across partitions. Each partition isallocated its own subset of host physical memory.