{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9804920","patent":{"patent_number":"US-9804920","title":"Rank and page remapping logic in a volatile memory","assignee":null,"inventors":[],"filing_date":"2015-05-25T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G11C"],"num_claims":18,"abstract":"Embodiments of the inventive concept include a plurality of memory ranks, a buffer chip including a rank remap control section configured to remap a rank from among the plurality of memory ranks of the volatile memory module responsive to a failure of the rank, and a dynamic serial presence detect section configured to dynamically update a stated total capacity of the volatile memory module based at least on the remapped rank. In some embodiments, a memory module includes a plurality of memory ranks, an extra rank in addition to the plurality of memory ranks, the extra rank being a spare rank configured to store a new page corresponding to a failed page from among the plurality of ranks, and a buffer chip including a page remap control section configured to remap the failed page from among the plurality of ranks to the new page in the extra rank."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Rank and page remapping logic in a volatile memory","description":"Embodiments of the inventive concept include a plurality of memory ranks, a buffer chip including a rank remap control section configured to remap a rank from among the plurality of memory ranks of th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9804920","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9804920","citation_suggestion":"Patentable. \"Rank and page remapping logic in a volatile memory\" (US-9804920). https://patentable.app/patents/US-9804920","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9804920","json":"https://patentable.app/api/llm-context/US-9804920","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:21:08.381Z"}