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Mp Configuration Table Header - Intel MultiProcessor Specification

Intel multiprocessor specification
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4.2

MP Configuration Table Header

Figure 4-3 shows the format of the header of the MP configuration table, and Table 4-2 explains
each of the fields.
31
31
Version 1.4
24
23
16
EXTENDED
TABLE
RESERVED
CHECKSUM
MEMORY-MAPPED ADDRESS OF LOCAL APIC
ENTRY COUNT
OEM TABLE POINTER
space
space
PRODUCT ID STRING
space
D
D
O
space
space
OEM ID STRING
space
M
CHECKSUM
SPEC_REV
SIGNATURE
P (50h)
M (4Dh)
24
23
16
Figure 4-3. MP Configuration Table Header
15
8
7
EXTENDED TABLE LENGTH
OEM TABLE SIZE
space
space
I
space
R
P
D
I
E
O
BASE TABLE LENGTH
C (43h)
P (50h)
15
8
7
MP Configuration Table
0
28H
24H
20H
1CH
10H
08H
04H
00H
0
4-5

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