PCIe Devices - PLX Technology
PCIe Devices - PLX Technology
PCIe Devices - PLX Technology
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<strong>PCIe</strong> Arbitration<br />
n<br />
In all Root Complex devices and switches,<br />
arbitration capabilities must be provided<br />
l<br />
l<br />
l<br />
Can be any method as previously used in PCI<br />
– Round robin, weighted round robin, or a combination<br />
Can optionally implement time-based arbitration<br />
– Used for isochronous applications<br />
Can assign priorities to any and all of the above on an<br />
individual platform basis<br />
n<br />
Capabilities will be heavily dependent on vendor<br />
chip set capabilities, as the Root Complex will be<br />
one of the built-in functions of the chip set<br />
l<br />
Usually comes with vendor defined power-up settings, but<br />
may be re-configured by software<br />
Copyright by Dashcourses, Inc. 2009<br />
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