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Bitfields for segment attributes

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Bit Description

0

data segment rather than code segment

1

unused???

2

real mode

3

iterated

4

movable

5

sharable

6

preloaded rather than demand-loaded

7

execute-only (code) or read-only (data)

8

relocations (directly following code for this segment)

9

debug info present

10, 11

80286 DPL bits

12

discardable

13 - 15

discard priority