HIMEM.SYS is a DOS device driver which allows DOS programs to store data in extended memory according to the Extended Memory Specification (XMS). The...
4 KB (302 words) - 18:18, 20 January 2024
ANSI.SYS: ANSI console driver. EMM386.EXE: Expanded memory manager. HIMEM.SYS: Extended memory manager. RAMDRIVE.SYS / VDISK.SYS: RAM disk; VDISK.SYS is...
3 KB (306 words) - 18:32, 9 February 2024
HIMEM.SYS is still required to boot Windows 95. EMM386 and other memory managers, however, are only used by DOS programs. In addition, CONFIG.SYS and...
58 KB (6,093 words) - 19:07, 31 May 2024
CONFIG.SYS, loading ANSI.SYS into UMBs, no EMS support enabled: DEVICE=C:\DOS\HIMEM.SYS DEVICE=C:\DOS\EMM386.EXE NOEMS DEVICEHIGH=C:\DOS\ANSI.SYS AUTOEXEC...
26 KB (3,329 words) - 11:54, 4 April 2024
Programs such as the pre-XMS versions of RAMDRIVE.SYS (1985), SMARTDRV.SYS (1986) as well as HIMEM.SYS (2.03, 1988-08-04; 2.04, 1988-08-17) drivers in MS-DOS...
23 KB (1,720 words) - 11:02, 22 May 2023
but only needed on 80286-based machines (originally named HIDOS.SYS, later HIMEM.SYS). If an XMS driver was loaded before DR-DOS EMM386, it would use...
23 KB (3,182 words) - 18:21, 4 June 2024
Windows ME ignores this. If the CONFIG.SYS file does not exist, the IO.SYS file loads the drivers IFSHLP.SYS, HIMEM.SYS and SETVER.EXE. Windows reserves all...
18 KB (2,235 words) - 16:51, 11 June 2024
Memory Specification (XMS). This API is implemented by a driver (such as HIMEM.SYS) or the operating system, which takes care of memory management and copying...
6 KB (810 words) - 08:17, 1 April 2024
microprocessor, the A20 line. In DOS, HMA managers such as HIMEM.SYS have the "extra task" of managing A20. HIMEM.SYS provided an API for opening/closing A20. DOS itself...
42 KB (4,913 words) - 04:58, 16 September 2023
and the upper memory block area. Generally XMS support was provided by HIMEM.SYS or a V86 mode memory manager like QEMM or 386MAX which also supported...
56 KB (6,456 words) - 10:32, 13 June 2024
An example CONFIG.SYS for MS-DOS 5: DOS=HIGH,UMB DEVICE=C:\DOS\HIMEM.SYS DEVICE=C:\DOS\EMM386.EXE RAM DEVICEHIGH=C:\DOS\ANSI.SYS FILES=30 SHELL=C:\DOS\COMMAND...
13 KB (1,314 words) - 19:34, 9 June 2024
extended 286 KB memory in real mode. To access the additional memory, HIMEM.SYS is needed. A few PC vendors shipped Windows/286 with Intel 8086 hardware;...
19 KB (1,804 words) - 15:23, 15 June 2024
extended memory. It could also use almost all available RAM even if no HIMEM.SYS was loaded. a CP/M set released in 1982, archived from the original on...
5 KB (311 words) - 22:32, 6 June 2024
DOS memory management (redirect from MM.SYS)
among Microsoft products was Windows 2.0 in 1987, which introduced the HIMEM.SYS device driver. Starting with versions 5.0 of DR-DOS (1990) and of MS-DOS...
15 KB (2,202 words) - 23:29, 29 November 2023
(2011-03-18). "HIMEM.SYS, unreal mode, and LOADALL". OS/2 Museum. Archived from the original on 2017-01-03. Retrieved 2017-01-03. Riiser, Haakon. "HIMEM.SYS and...
15 KB (1,327 words) - 13:36, 26 January 2024
is still implemented in PC chipsets to this day. Most versions of the HIMEM.SYS extended memory driver for IBM-/MS-DOS famously displayed upon loading...
10 KB (1,493 words) - 01:11, 22 February 2024
introduced the HIMEM.SYS device driver. Starting in 1990 with Digital Research's DR DOS 5.0 (via HIDOS.SYS /BDOS=FFFF and CONFIG.SYS HIDOS=ON) and since...
26 KB (2,736 words) - 19:32, 31 May 2024
EMM386 (redirect from EMM386.SYS)
extended memory (obtained by EMM386 through the extended memory manager HIMEM.SYS). This technique enabled both EMS (expanded memory) as well as UMBs -...
9 KB (721 words) - 16:18, 15 October 2023
"Phystechsoft". Retrieved 2016-09-19. PTS-DOS 32 [..] Memory Manager himem.sys, included in PTS-DOS 32, supports up to 4 GB of RAM. PTS-DOS 2000 [..]...
33 KB (1,263 words) - 08:01, 26 April 2024
yet effective method used to optimize conventional memory was to load HIMEM.SYS as a device, thereafter loading EMM386.EXE as a device with the "RAM AUTO"...
10 KB (1,417 words) - 23:18, 22 May 2024
CONFIG.SYS and AUTOEXEC.BAT, is bypassed at startup and essential real mode drivers like HIMEM.SYS and SMARTDRV.EXE are embedded into IO.SYS. The registry...
62 KB (6,320 words) - 00:28, 16 June 2024
style FCB file API to partitions over 32 MB. First version to get the HIMEM.SYS driver and load portions of the operating system into the upper memory...
88 KB (9,316 words) - 09:03, 23 May 2024
such as DOSLFN. It supports larger extended memory (up to 4GB) via its HIMEM.SYS driver. Various smaller improvements include enhanced DOS commands, more...
11 KB (1,140 words) - 09:09, 27 February 2024
List of DOS commands (redirect from KEYBOARD.SYS)
executed, will look for IO.SYS. SYS also copies the core DOS system files, IO.SYS, MSDOS.SYS, and COMMAND.COM, to the volume. SYS does not rewrite the Master...
46 KB (6,080 words) - 22:14, 20 March 2024
memory specification, XMS, Version 2.0, implemented by the device driver HIMEM.SYS in Windows/286. When run on 286- and 386-based systems, XMS brings DOS...
234 KB (7,232 words) - 22:30, 10 February 2024
management Expanded memory manager (EMM) Extended memory manager (XMM) HIMEM.SYS 80386 memory manager, may manage both expanded and extended memory 386MAX...
508 bytes (89 words) - 17:09, 14 September 2022