Gigabyte 5AA User Manual page 65

5AA
Expanded Memory
Expanded Memory in memory defined by the Lotus / Intel / Microsoft
(LIM) standard as EMS.
Many standard DOS applications can not utilize memory above 640, the
Expanded Memory Specification (EMS) swaps memory which not
utilized by DOS with a section, or frame, so these applications can
access all of the system memory.
Memory can be swapped by EMS is usually 64K within 1 MB or
memory above 1 MB, depends on the chipset design.
Expanded memory device driver is required to use memory as
Expanded Memory.
Other Memory
This refers to the memory located in the 640 to 1024 address space.
This is memory that can be used for different applications.
DOS uses this area to load device drivers to keep as much base
memory free for application programs. Most use for this area is Shadow
RAM.
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