• DOS Protected Mode Services (DPMS) is a set of extended DOS memory management services to allow DPMS-enabled DOS drivers to load and execute in extended...
    39 KB (3,688 words) - 09:29, 27 May 2025
  • computing, the DOS Protected Mode Interface (DPMI) is a specification introduced in 1989 which allows a DOS program to run in protected mode, giving access...
    26 KB (2,771 words) - 09:28, 27 May 2025
  • DPMS may refer to: DOS Protected Mode Services, a set of extended DOS memory management services since 1992 VESA Display Power Management Signaling, a...
    336 bytes (72 words) - 14:58, 19 September 2018
  • Thumbnail for DOS memory management
    Virtual Control Program Interface (XVCPI) DOS Protected Mode Interface (DPMI) DOS Protected Mode Services (DPMS) Helix Cloaking Mueller, Scott (1994)...
    15 KB (2,204 words) - 18:06, 16 January 2025
  • late 1980s, DOS extenders along with the DOS Protected Mode Interface (DPMI) allow the programs to run in either 16-bit or 32-bit protected mode and still...
    21 KB (1,231 words) - 19:18, 19 November 2024
  • A DOS extender is a computer software program running under DOS that enables software to run in a protected mode environment even though the host operating...
    12 KB (1,454 words) - 06:24, 24 September 2024
  • perform DMA operations while running under protected or virtual 8086 mode. Complete Text PW0519: Virtual DMA Services (VDS), Support., Microsoft 1992 v t e...
    725 bytes (46 words) - 16:51, 28 June 2020
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    management including new support for DPMI (DOS Protected Mode Interface) and DPMS (DOS Protected Mode Services) as well as more flexible loadhigh options...
    122 KB (12,096 words) - 23:03, 30 May 2025
  • (MS-DOS, DR-DOS, etc.). Early versions of Microsoft Windows ran in real mode. Windows/386 made it possible to make some use of protected mode, and this...
    10 KB (1,508 words) - 10:08, 25 June 2024
  • Virtual Control Program Interface (category DOS technology)
    allows a DOS program to run in protected mode, granting access to many features of the processor not available in real mode. It was supplanted by DOS Protected...
    15 KB (1,459 words) - 06:44, 12 January 2025
  • DOS Protected Mode Services Terminate-and-stay-resident program Device driver Operating system service management Service Control Manager Service Management...
    15 KB (1,232 words) - 13:51, 31 July 2024
  • created in real mode, but are subject to protected mode's memory paging mechanism. The virtual 8086 mode is a mode for a protected-mode task. Consequently...
    16 KB (2,063 words) - 03:26, 22 June 2025
  • privilege levels and protected memory, which prevents programs from corrupting one another. 16-bit protected mode (used during the end of the DOS era) used a complex...
    57 KB (6,630 words) - 23:44, 19 June 2025
  • the execution of the DOS software. VDMs generally also implement support for running 16-bit and 32-bit protected mode software (DOS extenders), which has...
    32 KB (3,257 words) - 09:13, 8 June 2025
  • memory. DOS Protected Mode Interface (DPMI) DOS Protected Mode Services (DPMS) J/Direct Microsoft Layer for Unicode Platform Invocation Services Win32s...
    16 KB (1,902 words) - 09:39, 27 May 2025
  • processor multiplies the interrupt vector by the entry size (8 for protected mode, 16 for long mode) and adds the result to the IDT base address. If the address...
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    mode/protected mode switches. Windows installs its own version of HIMEM.SYS on DOS 3.3 and higher. Windows HIMEM.SYS launches 32-bit protected mode XMS...
    26 KB (3,336 words) - 10:23, 4 July 2024
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    DOSEMU (redirect from Dos-emu)
    speed for 8086-compatible DOS operating systems and applications on x86 compatible processors, and for DOS Protected Mode Interface (DPMI) applications...
    5 KB (477 words) - 18:37, 21 March 2024
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    older real-mode DOS programs with protected mode. They could not natively run in this new mode without significant modification. In protected mode, memory...
    31 KB (3,384 words) - 11:37, 12 June 2025
  • disk access and caching mode available in older, MS-DOS-based Microsoft Windows operating systems. It was a set of protected mode device drivers that worked...
    4 KB (579 words) - 06:55, 13 April 2025
  • Terminate-and-stay-resident program (category DOS technology)
    mode to protected mode. However, since DOS and most DOS programs run in real mode (VCPI or DPMI makes a protected-mode program look like a real-mode program...
    13 KB (1,799 words) - 03:07, 6 June 2025
  • 8086 mode allows the creation of a virtual machine, enabling programs that require real mode to run within a protected mode environment. Protected mode is...
    4 KB (501 words) - 03:07, 27 April 2025
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    Expanded memory (category DOS memory management)
    and DOS extenders ended up being regulated by the XMS, Virtual Control Program Interface (VCPI), DOS Protected Mode Interface (DPMI) and DOS Protected Mode...
    18 KB (2,190 words) - 23:26, 25 May 2025
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    CPU to transition from protected mode to real mode because the 286 did not allow the CPU to go from protected mode to real mode unless the CPU is reset...
    3 KB (407 words) - 05:52, 18 April 2025
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    Novell's DOS Protected Mode Services (DPMS), if loaded, to reduce its conventional memory footprint and run in extended memory and protected mode. The NetWare...
    14 KB (1,316 words) - 17:34, 2 June 2025
  • DESQview (category DOS software)
    better at utilizing memory above DOS's limit. However, in either case, it runs in real mode rather than protected mode, meaning that a misbehaving program...
    15 KB (1,752 words) - 23:49, 12 April 2025
  • and switch into protected mode. Once in protected mode, the virtual device drivers (VxDs) transferred all state information from MS-DOS to the 32-bit file...
    49 KB (6,298 words) - 01:02, 16 June 2025
  • Windows/386 2.0 introduced a protected mode kernel that can multitask several MS-DOS applications using virtual 8086 mode, but all Windows applications...
    38 KB (4,415 words) - 10:17, 17 June 2025
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    bypassing MS-DOS methods IFSMGR.VXD – 32-bit driver for the installable file system IOS.VXD – I/O supervisor that controls and manages all protected-mode file...
    19 KB (2,261 words) - 19:34, 2 April 2025
  • Windows 2.0 (category DOS software)
    Program Interface (VCPI) in "standard mode" and with DOS Protected Mode Interface (DPMI) in "386 enhanced" mode. Microsoft ended its support for Windows...
    30 KB (2,604 words) - 10:17, 17 June 2025