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When the scratchpad is a hidden portion of the main memory then it is sometimes referred to as bump storage. In some systems [a] it can be considered similar to the L1 cache in that it is the next closest memory to the ALU after the processor registers, with explicit instructions to move data to and from main memory, often using DMA-based data ...
By reducing the I/O activity caused by paging requests, virtual memory compression can produce overall performance improvements. The degree of performance improvement depends on a variety of factors, including the availability of any compression co-processors, spare bandwidth on the CPU, speed of the I/O channel, speed of the physical memory, and the compressibility of the physical memory ...
Firstly, the page table walker, which uses physical addresses to access the page table and directory, can now access physical addresses greater than the 32-bit physical addresses supported in systems without PAE. From CR3, the page table walker can access page directories and tables that are beyond the 32-bit range. Secondly, the physical ...
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Standard RAM was 1 MB and the video card was the same as in the PC 10 and 20. It had one 1.2 MB HD 5.25-inch drive and a 20 MB hard drive. The cabinet had a key lock switch added Notes: The "PC AT" is a "PC 40" with a "AT" added to the name. Commodore PC AT. The "PC AT" is a "PC 40" with a "AT" added to the name. Commodore PC 40-40
HyperDrive (HD) is a series of RAM-based solid-state drives invented by Accelerated Logic B.V. (became Accelerated Logic Ltd. and is now a German company) [1] employee Pascal Bancsi (for HyperDrive II architecture), [2] who partnered with the British company HyperOs Systems, who manufactured the retail product.
Containers shipped between North America and other continents consist of mostly 40-foot (12.19 m) and some 45-foot (13.72 m) and 20-foot (6.10 m) containers. Container ships only take 40's, 20's and also 45's above deck. 90% of the containers that these ships carry are 40-footers and 90% of the world's freight moves on container ships; so 81% ...
Phase-change memory (also known as PCM, PCME, PRAM, PCRAM, OUM (ovonic unified memory) and C-RAM or CRAM (chalcogenide RAM)) is a type of non-volatile random-access memory. PRAMs exploit the unique behaviour of chalcogenide glass .