AMD SR5690 overview
AMD SR5690 Core System Chipset The SR5690 (formerly RD890S) is the system logic of the latest server/workstation platform from AMD that enables its next generat...
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Manufactured byAMD
Product typeController Core System Chipset
DescriptionAMD SR5690 Core System Chipset
OverviewThe SR5690 (formerly RD890S) is the system logic of the latest server/workstation platform from AMD that enables its next generation CPUs. The SR5690 has a total of 46 PCI Express® (PCIe®) lanes: 42 lanes are dedicated for external PCIe devices, and 4 are dedicated for the A-Link Express II interface to AMD’s Southbridges such as the SP5100 (formerly SB700S). The SR5690 also comes equipped with the new HyperTransport™ 3 and PCIe Gen 2 technologies. All of these are achieved by a highly integrated, thermally efficient design in a 29mm x 29mm package.The SR5690 introduces a variety of Reliability, Availability and Serviceability (RAS) capabilities. These include parity protection for on-chip memories, PCI Express Advanced Error Reporting (AER), and advanced error handling capabilities for HyperTransport.The SR5690 also supports a revision 1.26 compliant IOMMU (Input/Output Memory Management Unit) implementation for address translation and protection services. This feature allows virtual addresses from PCI Express endpoint devices to be translated to physical memory addresses. On-chip caching of address translations is provided to improve I/O performance. The device is also compliant with revision 1.0 of the PCI Express Address Translation Services (ATS) specification to enable ATS-compliant endpoint devices to cache address translation. These features enhance memory protection and support hardware-based I/O virtualization when combined with appropriate operating system or hypervisor software. Combined with AMD Virtualization™ (AMD-V™) technology, these features are designed to provide comprehensive platform level virtualization support.
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Controller Core System Chipset
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