Pre-allocated Memory

請問各位Intel system address map中的Pre-allocated Memory是什麼意思呢? Viods of physical addresses that are not accessible as general system memory and reside within system memory address rang( <TOSM) are created for SMM-mode and legacy VGA graphics compatibility. For VGA graphis compatibility, pre-allocated memory is... show more 請問各位Intel system address map中的Pre-allocated Memory是什麼意思呢?

Viods of physical addresses that are not accessible as general system memory and reside within system memory address rang( <TOSM) are created for SMM-mode and legacy VGA graphics compatibility. For VGA graphis compatibility, pre-allocated memory is only required in non-local memory configuration. It is the responsibility of BIOS to properly initialize these regions.

這段有看沒有懂@_@
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