Aaeon PCM-6892 Rev.B, Manual

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Chapter 3 Award BIOS Setup 43
Memory
You cannot change any values in the Memory fields; they are only
for your information. RAM is counted in kilobytes (KB: approxi-
mately one thousand bytes) and megabytes (MB: approximately
one million bytes).
RAM is the computer's working memory, where the computer
stores programs and data currently being used, so they are
accessible to the CPU. Modern personal computers may contain up
to 64 MB, 128 MB, or more.
Base Memory
Typically 640 KB. Also called conventional memory. The DOS
operating system and conventional applications use this area.
Extended Memory
Above the 1-MB boundary. Early IBM personal computers could
not use memory above 1 MB, but current PCs and their software
can use extended memory.
Total Memory
The fields show the total installed random access memory (RAM).