Disabling portions of memory with non-deterministic errors
First Claim
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1. A method comprising:
- detecting a defect in a portion of memory;
designating said portion of memory as defective; and
avoiding attempts to access said portion of memory designated as defective.
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Abstract
Systems and methods are disclosed herein for identifying and avoiding attempts to access a defective portion of memory. Various techniques are provided for detecting a defect in a portion of memory and dynamically avoiding future attempts to access the defective portion of memory. More specifically, the techniques detect and avoid both hard and erratic errors.
35 Citations
28 Claims
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1. A method comprising:
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detecting a defect in a portion of memory; designating said portion of memory as defective; and avoiding attempts to access said portion of memory designated as defective. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system comprising:
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a memory; defect detection logic to detect defects in said memory; data structure to store data designating a portion of memory as defective; and access control logic to control access to said memory, wherein based at least in part on said data structure said access control logic avoids attempts to access said portion of memory designated as defective. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An apparatus comprising:
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a memory; and a defect detection logic coupled to said memory, wherein said defect detection logic comprises logic to determine an address of memory for which a hard error is detected as being defective. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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Specification