The 80386 also has access to a number of privileged instructions and registers in a protected mode that are not present in regular mode. The protected mode also supports virtual memory which allows the system to use more memory than the physical memory available by swapping memory pages to and from the disk.
May 14, 2023
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The processor can address up to four gigabytes of physical memory and 64 terabytes (2^(46) bytes) of virtual memory. The on-chip memory-management ...
Segments in the 80386 ... Segment registers are used in address translation to generate a linear address from a logical (virtual) address. ... The linear address is ...
With the addition of segmented addressing system, it can expand up to 64 terabytes of virtual memory. The all new virtual 8086 mode (or VM86) made it possible ...
Duration: 3:27
Posted: Dec 22, 2019
Posted: Dec 22, 2019
Each task on 80386 can have a maximum of 16,381 segments of up to 4GB each, thus providing 64 TB of virtual memory to each task. In segmentation unit 80386 ...
Maximum physical memory 4 Gb. Maximum number of I/O ports 64 K. Built-in Memory Management Unit to support Segmentation, Paging and Virtual Memory.
386 Enhanced Mode. 386 Enhanced Mode: A mode that Windows runs in to access the virtual memory capabilities of the Intel 80386 processor.
In the 80386 microprocessor and later, virtual 8086 mode (also called virtual real mode, V86-mode, or VM86) allows the execution of real mode applications ...
Feb 5, 2021 · As it is a 32-bit microprocessor. · It supports physical memory addressability of 4 GB and virtual memory addressability of 64 TB. · It has a 32- ...