Memory Map (x86): Difference between revisions
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→"Low" memory (< 1 MiB): update EBDA limit text |
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Note: the EBDA is a variable-sized memory area (on different BIOSes). If it exists, it is always immediately below 0xA0000 in memory.
It is absolutely guaranteed to be
You can determine the size of the EBDA by using BIOS function [[Detecting Memory (x86)#Detecting Low Memory|INT 12h]], or (often) by examining the word at 0x40E in the BDA (see below).
Both of those methods will tell you the location of the bottom of the EBDA.
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