Logical address (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Logical address" in English language version.

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bitsavers.org

  • "Multisystem Operation" (PDF). IBM System/360 Principles of Operation (PDF). Systems Reference Library (Eighth ed.). September 1968. p. 18. A22-6821-7. Retrieved July 21, 2024. The relocation procedure applies to the first 4,096 bytes of storage. This area contains all permanent storage assignments and, generally, has special significance to supervisory programs. The relocation is accomplished by inserting a 12-bit prefix in each address which has the high-order 12 bits set to zero and hence, pertains to location 0-4095.

ibm.com

vm.ibm.com

  • "Prefixing in the z/Architecture Architectural Mode" (PDF). z/Architecture Principles of Operation (PDF) (Fourteenth ed.). May 2022. p. 3-21–3-23. SA22-7832-13. Retrieved July 21, 2024. Prefixing provides the ability to assign the block of real addresses containing assigned storage locations to a different block in absolute storage for each CPU, thus permitting more than one CPU sharing main storage to operate concurrently with a minimum of interference, especially in the processing of interruptions.