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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.

Patent No.:

US 5862320 B1

PDFFull Text
Date of Patent:
Jan. 19, 1999

Filed:

Dec. 22, 1995

Sdram dimm presence detect interface

Applicant:
Inventors:

Pete Edward Nelsen, Plano, TX (US);

Douglas Michael Berk, Plano, TX (US);

Kenneth Ma, Cupertino, CA (US);

Assignee:

Cirrus Logic, Inc., Fremont, CA (US);

Attorneys:

Tannenbaum; David H.

Shaw; Steven A.

Primary Examiner:

Joseph Palys

Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
39518318 ; 395284 ; 395836 ; 395833 ;
Abstract

A keyboard controller is used to drive the PDEN pins on DIMMs. A PC has a keyboard controller with a plurality of programmable input/output (I/O) pins. The state of the programmable I/O pins can be set by software. The pins are coupled to individual PDEN pins on the DIMMs. When the programmable I/O pins are activated, the PDEN pins are driven active and each DIMM outputs a signal indicating its characteristics. The signals are latched and stored for use by a memory controller.

Find Patent Forward Citations

Nelsen, Pete. (1999). Sdram dimm presence detect interface (U.S. Patent No. 5862320). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5862320

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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