The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 12, 2016

Filed:

May. 13, 2014
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Saurabh Chadha, Bangalore, IN;

Hillery C. Hunter, Chappaqua, NY (US);

Kyu-hyoun Kim, Mount Kisco, NY (US);

Abhijit Saurabh, Patna, IN;

Saravanan Sethuraman, Bangalore, IN;

Kenneth L. Wright, Austin, TX (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/20 (2006.01); G06F 11/14 (2006.01);
U.S. Cl.
CPC ...
G06F 11/2094 (2013.01); G06F 11/14 (2013.01); G06F 11/1435 (2013.01); G06F 11/1469 (2013.01); G06F 11/20 (2013.01); G06F 11/2028 (2013.01); G06F 11/2069 (2013.01); G06F 2201/84 (2013.01);
Abstract

Data is retrieved from a stacked memory device having a plurality of slave memory chips in response to recognizing a problem in the stacked memory device. The problem is determined to be associated with a primary driver module in the stacked memory device. In response, the primary driver module is disabled and an emergency driver module is enabled. Each of the plurality of slave memory chips are selected using a multiplexing unit to retrieve data using the emergency driver module.


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