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In computing, Physical Address Extension (PAE), sometimes referred to as Page Address Extension, [1] is a memory management feature for the x86 architecture. PAE was first introduced by Intel in the Pentium Pro , and later by AMD in the Athlon processor. [ 2 ]
Compared to the Physical Address Extension (PAE) method, PSE-36 is a simpler alternative to addressing more than 4 GB of memory. It uses the Page Size Extension (PSE) mode and a modified page directory table to map 4 MB pages into a 64 GB physical address space. PSE-36's downside is that, unlike PAE, it doesn't have 4-KB page granularity above ...
Many 32-bit computers have 32 physical address bits and are thus limited to 4 GiB (2 32 words) of memory. [3] [4] 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, [5]: 445 which allows addressing up to 64 GiB (2 36 words) of memory.
4-level paging of the 64-bit mode. In the 4-level paging scheme (previously known as IA-32e paging), the 64-bit virtual memory address is divided into five parts. The lowest 12 bits contain the offset within the 4 KiB memory page, and the following 36 bits are evenly divided between the four 9 bit descriptors, each linking to a 64-bit page table entry in a 512-entry page table for each of the ...
The iPhone 15 and iPhone 15 Plus are smartphones developed and marketed by Apple. They are the seventeenth generation of iPhones, succeeding the iPhone 14 and iPhone 14 Plus. The devices were announced on September 12, 2023, during the Apple Event at Apple Park in Cupertino, California alongside the higher-priced iPhone 15 Pro and 15 Pro Max ...
Use AOL Mail on an Android device If you want to use the email app that comes with your Android device, just add your AOL Mail account through your device's settings . Though you should be able to set up the account automatically, you may need to set up the account manually with the POP or IMAP settings .
The enclosure of the iPhone 15 Pro and iPhone 15 Pro Max is made of grade 5 titanium, unlike the stainless steel frame of previous Pro models. The display bezels have also been reduced from 2.2 mm to 1.55 mm. [ 9 ] The phone is available in four colors: natural titanium , blue titanium, white titanium, and black titanium. [ 10 ]
Apple has a new safety feature called Stolen Device Protection, which is now available for iPhone users who have the iOS 17.3 update installed. Here's what it does and how to enable it.