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Hot removable and insertion of attachments on fully initialized computer systems

  • US 5,386,567 A
  • Filed: 10/14/1992
  • Issued: 01/31/1995
  • Est. Priority Date: 01/20/1992
  • Status: Expired due to Term
First Claim
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1. A computer system, having a main housing with one or more slots for connection of peripheral device adapters, and comprising one or more adapters insertable into said slots, said system also containing means for storing configuration information enabling said system to cooperate with said adapters when they are attached to said one or more slots, an arrangement for dynamically reconfiguring said computer system when an adapter is inserted into an empty one of said one or more slots, or when an adapter is removed from one of said slots, while the system is fully powered and initialized for running application programs, said arrangement comprising:

  • means interactive with users of said computer system and coupled to said slots for controllably permitting removal of a said adapter from any one of said slots containing an adapter, while said system is actively powered and fully initialized and without requiring rebooting or reinitialization of said system;

    said interactive means including means operative during removal of a said adapter from said any one slot for adjusting said stored configuration information to reflect removal of said adapter from the respective slot;

    means coupled to said slots for detecting insertion of a said adapter into a formerly empty one of said slots; and

    means cooperative with said insertion detecting means for altering said stored configuration information to conform to the presence of said inserted adapter in said formerly empty one of said slots.

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