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2. 2 GB limit - Wikipedia

   en.wikipedia.org/wiki/2_GB_limit

   The 2 GB limit refers to a physical memory barrier for a process running on a 32-bit operating system, which can only use a maximum of 2 GB of memory. [1] The problem mainly affects 32-bit versions of operating systems like Microsoft Windows and Linux, although some variants of the latter can overcome this barrier. [2]

3. RAM limit - Wikipedia

   en.wikipedia.org/wiki/RAM_limit

   Limits on physical memory for 32-bit platforms also depend on the presence and use of Physical Address Extension (PAE), which allows 32-bit systems to use more than 4 GB of physical memory. PAE and 64-bit systems may be able to address up to the full address space of the x86 processor. See also. DOS memory management; Motherboard; References

4. 3 GB barrier - Wikipedia

   en.wikipedia.org/wiki/3_GB_barrier

   Physical address limits. Many 32-bit computers have 32 physical address bits and are thus limited to 4 GiB (2 32 words) of memory. x86 processors prior to the Pentium Pro have 32 or fewer physical address bits; however, most x86 processors since the Pentium Pro, which was first sold in 1995, have the Physical Address Extension (PAE) mechanism,: 445 which allows addressing up to 64 GiB (2 36 ...

5. Physical Address Extension - Wikipedia

   en.wikipedia.org/wiki/Physical_Address_Extension

   Microsoft Windows. 32-bit versions of Microsoft Windows support PAE if booted with the appropriate option. According to Microsoft Technical Fellow Mark Russinovich, some drivers were found to be unstable when encountering physical addresses above 4GB. The following table shows the memory limits for 32-bit versions of Microsoft Windows:

6. How to upgrade from 32-bit to 64-bit version of Windows 10 - AOL

   www.aol.com/news/upgrade-32-bit-64-bit-212659036...

   Click on System. Click on About. Check the Installed RAM details. Confirm that the information reads 2GB or higher. Under the "Device specifications" section, check the System type details ...

7. Comparison of Microsoft Windows versions - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_Microsoft...

   Super VGA (800x600), 32-bit color 1024 x 768 for Windows Store apps 1366 x 768 to snap apps Windows 8.1: Windows 10: 1 GHz or faster processor or SoC: 1 GB (x86) 2 GB (x64) 4 GB 16 GB (x86) 20 GB (x64) Super VGA (800x600), 32-bit color Windows Server 2016: 1.4 GHz 64-bit processor 512 MB ECC memory 2 GB with Desktop Experience installed ...

8. 32-bit computing - Wikipedia

   en.wikipedia.org/wiki/32-bit_computing

   While 32-bit architectures are still widely-used in specific applications, the PC and server market has moved on to 64 bits with x86-64 since the mid-2000s with installed memory often exceeding the 32-bit 4G RAM address limits on entry level computers. The latest generation of mobile phones have also switched to 64 bits.

9. Real mode - Wikipedia

   en.wikipedia.org/wiki/Real_mode

   t. e. Real mode, also called real address mode, is an operating mode of all x86 -compatible CPUs. The mode gets its name from the fact that addresses in real mode always correspond to real locations in memory. Real mode is characterized by a 20- bit segmented memory address space (giving 1 MB of addressable memory) and unlimited direct software ...