Pentium II Paging mechanism

Computer ORGANIZATION and ARCHITECTURE designing for performance ninth EDITION

To understand the structure of the linear address, you need to know thatthe Pentium II paging mechanism is actually a two- Level table lookup operation. The first level was a page directory, which contains up to 1024x768 entries. This splits the4-gbyte linear memory space into the 1024x768 page groups, each and its own page Table,and each 4 Mbytes in length . Each page table contains up to 1024x768 entries; Each entrycorresponds to a single 4-kbyte page. Memory management have the option of Usingone page directory for all processes, one page directory for each process, or som Ecombination of the. The page directory for the current task was always in Mainmemory. Page tables May is in virtual memory.

Pentium II Paging mechanism