IT Products and Systems
- Integrated Systems
- Client Computing Devices
- Peripheral Devices
- Product Support Services
Intel® Xeon® processor 7500 and E7 family have high-scalability. The Intel® Xeon® processors have an embedded high throughput system bus called Quick Path Interconnect (QPI). It enables inter-CPU, CPU-I/O, and CPU-memory communication.
The QPI is protected from failures by multi-leveled error detection and correction mechanisms. For instance, using Cyclic Redundancy Code (CRC) and re-transmitting data, the QPI can detect and recover errors. It also has the ability to handle unrecoverable errors by either degrading bus bandwidth or rerouting communications.
The Intel® Xeon® processor also has high-reliability mechanisms embedded:
*1) This section is based on articles in IDF FALL 2009.
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