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PEX8533-AA25BIG Datasheet(PDF) 3 Page - PLX Technology |
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PEX8533-AA25BIG Datasheet(HTML) 3 Page - PLX Technology |
3 / 4 page PLX Confidential Figure 2 shows a typical server-based design, where the Root Complex provides a PCI Express link that needs to be expanded into a larger number of smaller ports for a variety of I/O functions, each with different bandwidth requirements. In this example, the ExpressLane PEX 8533 would typically have an 8-lane upstream port, and as many as 5 downstream ports. The downstream ports can be of differing widths if required. Peer-to-Peer & Backplane Usage The PEX 8533 is also suitable for peer-to-peer applications such as switch fabrics and backplanes. Figure 3 represents a backplane where the device provides peer-to-peer data exchange for a large number of line cards where the CPU/Host plays the management role. Figure 3. Peer-to-Peer/Backplane Usage Graphics Fan-out Switch High resolution 3D graphics applications can take full advantage of the PEX 8533 three port configuration. Applications such as dual graphics, high resolution scientific use, and image processing can benefit from the performance of the PEX 8533 switch. Figure 4 illustrates use of the device in a dual graphics application while supporting PCI port expansion through another PLX PCIe switch. The upstream x16 port links to the Root Complex and the two downstream ports connect to the Graphics modules. The peer-to-peer support of the PEX 8533 allows the two GPU modules to communicate with each other for maximum performance. Figure 4 also illustrates use of PCIe bridges to connect to PCI and PCI-X busses. Figure 4. Dual Graphics Redundant Switch Fabric The PEX 8533 can be used in redundant switch fabrics for high availability applications. In the example shown in Figure 5, the PEX 8533 is used in conjunction with the PEX 8518 switch that offers non-transparent bridging (NTB). The PEX 8533 provides high performance non-blocking switching while the PEX 8518s keep the two fabrics and hosts isolated. Figure 5. Blade Server The number of ports and port widths can be configured as needed. This example assumes a x8 link to each CPU blade and a x8 link to each I/O blade. |
Similar Part No. - PEX8533-AA25BIG |
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Similar Description - PEX8533-AA25BIG |
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