B
Appendix B: DOS Memory Settings
Upper Memory Usage
InordertogetmaximumUMBusage,theEMM386.EXEdrivershouldbeloadedin
theCONFIG.SYSfilewiththefollowing.
DEVICE=\DOS\EMM386.EXE NOEMS i=B000-B7FF i=D000-DFFF
Other memory range Considerations
B800 to BFFF‐Standardcolorgraphicsdataarea(offlimits)
C000 to CEFF‐VGABIOSarea(offlimits)
CF00 to CFFF‐PXEUNDI(4K)
E000 to FFFF‐PCBIOSarea(offlimits)