Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus interface architecture
Reexamination Certificate
2006-05-24
2009-12-29
Rinehart, Mark (Department: 2111)
Electrical computers and digital data processing systems: input/
Intrasystem connection
Bus interface architecture
C710S014000, C710S314000, C711S005000
Reexamination Certificate
active
07640386
ABSTRACT:
Systems and methods for providing memory modules with multiple hub devices. Exemplary systems include a cascade-interconnect memory system with a memory bus, a memory controller and a memory module. The memory controller is in communication with the memory bus for generating, receiving and responding to memory access requests. The memory module includes a first hub device with three or more ports and a second hub device with three or more ports. A first port on the first hub device is in communication with the memory controller via the memory bus, a second port on the first hub device is in communication with a first set of memory devices, and a third port on the first hub device is cascade connected to a first port on the second hub device. A second port on the second hub device is in communication with a second set of memory devices and a third port on the second hub device supports a cascaded connection to a subsequent hub device in the memory system.
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patent:
Coteus Paul W.
Maule Warren E.
Seminaro Edward J.
Tremaine Robert B.
Cantor & Colburn LLP
International Business Machines - Corporation
Patel Nimesh G
Rinehart Mark
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