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QEMM
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===QEMM v7.0 (mid 1993)=== Dropped the ''386'' suffix from the name since Intel introduced the Pentium processor. * Added support for [[Intel Pentium]], [[MS-DOS|DOS 6.00]] and [[Windows 3.1x#Windows 3.1|Windows 3.10]]. * Maximum RAM is 128MB XMS/128MB EMS. * QEMM was rewritten with 32-bit code. * New features include DOSDATA, DOS-Up, Stealth ROM, Stealth DoubleSpace. * New utilities include SWAPECHO.COM, OPTIMIZE.EXE (replaced OPTIMIZE.COM), QDPMI (Quarterdeck DPMI 0.9 host), QSETUP (QEMM Setup for Windows), SCANMEM.COM (USERAM= memory scanner). * Updated utilities include Manifest 2.0. Add support of [[Virtual Mode Extensions]] and [[Page Size Extensions]] found in Pentium, later Intel 80486, or later CPUs; Bus-Mastering hard drives. Improved adapter RAM detection. * Added support for reading qemm configuration file, @filename. * Added support for DOS 6.00 [[CONFIG.SYS#CONFIG.SYS directives|Multi-Config]] in CONFIG.SYS, [[COMMAND.COM#Batch file commands|IF statements]] in AUTOEXEC.BAT. *Optimize supports disk compression software. *Vidram can now operate in Windows Enhanced mode DOS windows. *QEMM 7.0x loads itself to shadow RAM by default. ==== QEMM v7.03 (November 17, 1993) ==== *VIDRAM no longer suppress [[interrupt]] 10, function 1B calls (Video BIOS Functionality and State Information for [[Multi-Color Graphics Array|MCGA]]/[[VGA]]). *New Optimize switches include /NOFLUSH (/NOFL). *Stealth DoubleSpace virtualizes DOS Function 9. *DOSDATA improves compatibility with Stacker 3.1, supports PC DOS 6.1 and XTRADRIVE or OS/2 2.x Boot Manager. *Stealth Windows driver was updated to 7.02. *QEMM driver now supports Compaq 20/e and 25/e. ==== QEMM v7.04 (February 28, 1994) ==== *Added support for [[MS-DOS|DOS 6.20]]. *Maximum RAM is 256MB XMS/256MB EMS. *DOS-Up now supports Novell DOS 7. In [[DR DOS 6.0]] and [[Novell DOS 7]], only DOS resource is loaded high. *Improved VCPI compatibility on systems with large amounts of memory. *QEMM supports [[DESQview/X 2.0]] server.*Manifest now recognizes STB processors.
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