QEMM
Sign in to saveAlso known as Quarterdeck Expanded Memory Manager
Quarterdeck Expanded Memory Manager (QEMM) is a memory manager produced by Quarterdeck Office Systems in the late 1980s through the late 1990s. It was the most popular third-party memory manager for the MS-DOS and other DOS operating systems.
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Article
48 sectionsContents
- QEMM product ranges
- Features/tools
- QEMM driver{{anchor|Quickboot}}
- DOS-Up
- HOOKRAM
- MagnaRAM
- {{anchor|MFT}}Manifest
- Optimize
- QDPMI
- QEMM 50/60
- Stealth
- Stealth DoubleSpace/D*Space
- T386
- VIDRAM
- Limitations
- Device driver limit
- MagnaRAM limit
- Memory limit
- Optimize limit
- Stealth DoubleSpace/D*Space
- Version history
- QEMM-386 v4.2 (November 11, 1988)
- QEMM-386 v5.0 (January 1990)
- QEMM-386 v5.11 (mid 1990)
- QEMM-386 v6.0 (early 1991)
- QEMM-386 v6.01 (mid 1991)
- QEMM-386 v6.02 (November 13, 1991)
- QEMM v7.0 (mid 1993)
- QEMM v7.03 (November 17, 1993)
- QEMM v7.04 (February 28, 1994)
- QEMM v7.5 (September 17, 1994)
- QEMM v7.53 (May 12, 1995)
- QEMM v8.0 (1995-11-04)
- QEMM v8.01 (February 14, 1996)
- QEMM v8.03 (April 7, 1997)
- QEMM 97 (aka v9.0) (May 15, 1997)
- One Install.exe but two roles
- QEMM Configurations
- MS-DOS 6.22, Windows 3.11/WFW 3.11
- MS-DOS 7.10, Windows 95 OSR2/Windows 98 SE
- Consequences of using or disabling EMS
- Example: 635K Free, shared 256MB XMS/256MB EMS
- Skipping QEMM386 while booting
- DOS equivalents
- Windows transition / Decline of QEMM
- See also
- References
- Further reading
Quarterdeck Expanded Memory Manager (QEMM) is a memory manager produced by Quarterdeck Office Systems in the late 1980s through the late 1990s. It was the most popular third-party memory manager for the MS-DOS and other DOS operating systems.
==QEMM product ranges== QRAM: A memory manager for Intel 80286 or higher CPUs. It supports Chips and Technologies chipsets. 2.02 added SHADOWRAM switch. QEXT correctly reallocates eXtended Memory Specification (XMS). It includes VIDRAM, Optimize, LOADHI from QEMM 6.02, Manifest 1.13. Earlier versions of QRAM also supported the older 8086 and 8088 CPUs. QEMM Game Edition: It is a version of QEMM that includes Quarterdeck GameRunner. Patches for regular QEMM do not work on QEMM Game Edition. QEMM MegaBundle: In the version shipped with Borland SideKick for Windows, it is a version with SideBar 1.00 (1994-08-22) and QEMM 7.5. DESQview 386: It includes DESQview and QEMM-386.