MS DOS - Tweak Performance

• Emulate expanded memory (EMS) by using extended memory (XMS)

  Description of the Expanded Memory Specification (EMS) and how to use Emm386.exe to emulate XMS as EMS.

• Increase HDD speed with disk cache

  Description of how a disk cache will help HDD performance, and how to activate the smart drive disk cache.

• Load drivers in high memory to free conventional memory

  How load drivers in the upper memory block to free conventional memory.

• Load environment in high memory with DOS 7.0

  Load DOS environment in the upper memory block to free conventional memory.

• Open access to the High Memory Area (HMA)

  Description of the High Memory Area (HMA), and how to open access to it with Himen.sys to free conventional memory.

• Open access to the Upper Memory Block (UMB)

  Description of the Upper Memory Block (UMB) and how to open access to it with Emm386.exe.