Reconfigurable memory module and method
First Claim
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1. A memory module, comprising:
- a plurality of memory devices arranged in a plurality of ranks; and
a memory hub coupled to the memory devices in each of the ranks, the memory hub being programmable to configure the memory module in a plurality of data formats each corresponding to a respective number of ranks of memory devices that are simultaneously accessed.
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Abstract
A computer system includes a controller coupled to a plurality of memory modules each of which includes a memory hub and a plurality of memory devices divided into a plurality of ranks. The memory hub is operable to configure the memory module to simultaneously address any number of ranks to operate in a high bandwidth mode, a high memory depth mode, or any combination of such modes.
154 Citations
2 Claims
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1. A memory module, comprising:
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a plurality of memory devices arranged in a plurality of ranks; and
a memory hub coupled to the memory devices in each of the ranks, the memory hub being programmable to configure the memory module in a plurality of data formats each corresponding to a respective number of ranks of memory devices that are simultaneously accessed.
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2-61. -61. (canceled)
Specification
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Current AssigneeRound Rock Research LLC
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Original AssigneeJoseph Jeddeloh, Terry Lee
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InventorsJeddeloh, Joseph, Lee, Terry
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current711/5
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CPC Class CodesG06F 12/0661 and decentralised selectionG06F 13/1684 using multiple busesG06F 13/1694 Configuration of memory con...G06F 13/4239 with asynchronous protocol
