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Hot-plug memory catridge power control logic

  • US 6,651,138 B2
  • Filed: 01/25/2001
  • Issued: 11/18/2003
  • Est. Priority Date: 01/27/2000
  • Status: Expired due to Term
First Claim
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1. A computer system comprising:

  • a host controller; and

    a memory sub-system coupled to the host controller and configured to operate in a redundant mode of operation an a non-redundant mode of operation, the memory sub-system comprising;

    a memory system board;

    a plurality of memory cartridges coupled to the system board and configured to store data;

    a plurality of cartridge connectors coupled to the memory system board, each of the plurality of cartridge connectors configured to receive one of the plurality of memory cartridges and further configure to facilitate the insertion and removal of the memory cartridges while the system is powered-up; and

    a plurality of control logic devices coupled to the memory system board and configured to facilitate the transition of the memory sub-system from the redundant mode of operation to the non-redundant mode of operation, and further configured to facilitate the transition of the memory sub-system from the non-redundant mode of operation to the redundant mode of operation, the plurality of control logic devices comprising;

    a first device programmed to facilitate the exchange of a first set of control signals between the host controller and the memory sub-system;

    a plurality of power control devices coupled to the first device and configured to provide power fault detection in the computer system; and

    a plurality of second devices coupled between the memory control device and the host controller and programmed to exchange a second set of control signals there between.

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