Configurable PCI express switch which allows multiple CPUs...

Details Configurable PCI express switch which allows multiple CPUs... Configurable PCI express switch which allows multiple CPUs...

2006-06-06

2006-06-06

Perveen, Rehana (Department: 2112)

Electrical computers and digital data processing systems: input/

Intrasystem connection

System configuring

C710S015000, C710S100000, C710S305000, C710S313000, C710S314000, C710S316000, C710S317000, C370S389000

Reexamination Certificate

active

07058738

ABSTRACT:
A configurable switch that enables multiple CPUs to be connected to multiple I/O devices through a single switch. The switches can be cascaded to enable more CPUs and/or more I/O devices in the tree. The configuration is transparent to the enumeration of the bus and endpoint devices. A simple management input such as SMBus or hardware strapping is used to set up the assignation of devices to CPUs. Utilization of a manager and the PCI Express hot plug controller registers enable hot-plug reconfiguration of the device tree as devices a switched between CPUs via PCI buses within the switch.

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