• Thumbnail for Conventional memory
    In DOS memory management, conventional memory, also called base memory, is the first 640 kilobytes of the memory on IBM PC or compatible systems. It is...
    26 KB (3,336 words) - 10:23, 4 July 2024
  • interface code left in conventional memory by self-relocating resident drivers which move most of themselves into upper memory, the high memory area, expanded...
    4 KB (330 words) - 20:36, 31 May 2024
  • Thumbnail for DOS memory management
    applications access to more than 640 kibibytes (640*1024 bytes) (KiB) of "conventional memory". The 640 KiB limit was specific to the IBM PC and close compatibles;...
    15 KB (2,204 words) - 18:06, 16 January 2025
  • Thumbnail for Upper memory area
    loads the fundamental memory managers into conventional memory, and thereafter everything else into the UMA. Conventional memory glutton programs such...
    10 KB (1,414 words) - 23:54, 5 May 2025
  • Thumbnail for Expanded memory
    DOS memory management, expanded memory is a system of bank switching that provided additional memory to DOS programs beyond the limit of conventional memory...
    18 KB (2,190 words) - 22:49, 2 May 2025
  • stable with more memory modules than it would have otherwise. When conventional memory is compared with registered memory, conventional memory is usually referred...
    10 KB (1,112 words) - 12:59, 16 January 2025
  • Thumbnail for Extended memory
    system kernel, which takes care of memory management and copying memory between conventional and extended memory, by temporarily switching the processor...
    9 KB (1,148 words) - 06:34, 2 May 2025
  • region of memory was known as the High Memory Area (HMA), and later versions of DOS could use it to increase the available "conventional" memory (i.e. within...
    23 KB (3,302 words) - 19:53, 3 May 2025
  • introduction of the Windows Registry and add-ons, and it could utilize more memory than its predecessors. Microsoft also released special versions of Windows...
    59 KB (5,481 words) - 12:13, 4 May 2025
  • Thumbnail for DR-DOS
    DR-DOS (redirect from MemoryMAX)
    a chunk of memory at the start of the memory map in order for programs to load above this barrier (but with less usable conventional memory then). By default...
    121 KB (12,097 words) - 04:06, 28 March 2025
  • Unreal mode Protected mode Conventional memory Extended memory (XMS) Expanded memory (EMS) High Memory Area (HMA) Upper Memory Block (UMB) DOS Protected...
    22 KB (3,171 words) - 14:52, 24 January 2025
  • allows DOS programs to eliminate the 640 KB conventional memory limit by addressing up to 64 MB of extended memory on Intel 80386 and above machines. Functioning...
    3 KB (336 words) - 14:51, 26 March 2025
  • of a coil spring. Parts made of shape-memory alloys can be lightweight, solid-state alternatives to conventional actuators such as hydraulic, pneumatic...
    47 KB (6,051 words) - 23:26, 10 February 2025
  • Cache-only memory architecture (COMA) Cache memory Conventional memory Deterministic memory Distributed memory Distributed shared memory (DSM) Dual-channel...
    4 KB (477 words) - 14:50, 7 August 2022
  • out of conventional memory while doing so, preventing the program from launching. Windows 3.x allocated fixed segments in conventional memory first. Since...
    71 KB (7,074 words) - 10:18, 9 May 2025
  • LOADHIGH (category DOS memory management)
    COM that is used to load a program into the upper memory area (UMA) instead of conventional memory. The command was introduced with MS-DOS 5.0 / PC DOS...
    8 KB (660 words) - 17:26, 15 October 2023
  • study shows that a conventional memory interleaving method would propagate address-mapping conflicts at a cache level to the memory address space, causing...
    6 KB (847 words) - 23:33, 14 May 2023
  • DOS Protected Mode Services (category DOS memory management)
    extended memory and freeing up conventional memory, DPMS not only allows very large drivers to load and take advantage of the available memory, but also...
    39 KB (3,681 words) - 17:13, 29 March 2025
  • Thumbnail for High memory area
    their /MH option), thereby freeing up even more conventional memory and upper memory for conventional DOS software to work with. TASKMAX seems to have...
    26 KB (2,736 words) - 19:32, 31 May 2024
  • in conventional memory (the first 640 kilobytes of memory which was critical to DOS) by running in upper memory area (the 384 kilobytes of memory located...
    4 KB (343 words) - 09:58, 13 April 2025
  • versions are limited to approximately 300 kB, depending on how much conventional memory is free. The Editor can edit files that are up to 65,279 lines and...
    5 KB (561 words) - 00:23, 9 December 2024
  • HIMEM.SYS (category DOS memory management)
    load the DOS kernel code into the High Memory Area (HMA) to increase the amount of available conventional memory by specifying DOS=HIGH in CONFIG.SYS....
    4 KB (319 words) - 04:11, 6 December 2024
  • PCI hole (redirect from PCI memory hole)
    similar to the memory limits of the early 8088 IBM PC memory architecture (see Conventional memory). Similar situations have often arisen in the history...
    7 KB (1,124 words) - 00:14, 19 March 2024
  • memory footprint of the IPX driver, which was vital for DOS and Windows up to Windows 95 due to the limited size at that time of conventional memory....
    12 KB (1,377 words) - 15:58, 8 March 2025
  • programs running in memory, at the cost of performance hit. However, all the running programs had to fit into conventional memory area, as there was no...
    5 KB (554 words) - 17:07, 29 May 2024
  • bitwise operations on two rows) to conventional memory modules (e.g., DIMM modules); or Adding processing capability to memory controllers so that the data...
    16 KB (1,944 words) - 06:55, 21 December 2024
  • Thumbnail for Random-access memory
    Random-access memory (RAM; /ræm/) is a form of electronic computer memory that can be read and changed in any order, typically used to store working data...
    58 KB (5,896 words) - 20:11, 8 May 2025
  • Thumbnail for MPU-401
    card in DOS. This application is not a TSR (it does not take up conventional memory). S-MPU-IIAT (Super MPU II): for the IBM or compatible Plug and Play...
    18 KB (1,969 words) - 22:47, 3 September 2024
  • Thumbnail for Flash memory
    advantage of a charge trapping layer to replace the conventional floating gate used in conventional flash memory designs. In 2000, an Advanced Micro Devices (AMD)...
    189 KB (17,307 words) - 01:24, 20 April 2025
  • memory. Since some PCs (notably Compaqs) did not place extended memory (XMS) at the 1MB line and instead left a hole between the end of conventional memory...
    38 KB (4,415 words) - 00:18, 2 May 2025