Description of how a disk cache will help HDD performance, and how to activate the smart drive disk cache.
How load drivers in the upper memory block to free conventional memory.
Load DOS environment in the upper memory block to free conventional memory.
Description of the Upper Memory Block (UMB) and how to open access to it with Emm386.exe.
Description of the High Memory Area (HMA), and how to open access to it with Himen.sys to free conventional memory.