System Physical Address

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
SPA
Pronunciation
/ˈsɪstəm ˈfɪzɪkəl ˈæˌdrɛs/
Category
Computing
Related Field
Drivers

Examples in Context

  1. The Flat Memory model that separate the linear space from physical space is introduced to the memory management system in Windows 9x so that the physical address of memory can not be accessed directly.
  2. The operating system updates the mapping of virtual to physical addresses, so that the requested virtual address can be mapped to a physical address.
  3. Windows operating system using paged virtual memory management technology. The translation from virtual address to physical address is realized by establishing page mapping from virtual address space to physical address space.
  4. When running on a system with more process address space than physical memory, a memory leak or excessive use of native memory will force the OS to swap out some of the virtual address space.

Other meanings of SPA