ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 130

• Manufacturer Part Number: ALXD800EEXJ2VD
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of ALXD800EEXJ2VD

• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

5.5.2.24 SMM Header MSR (SMM_HDR_MSR)
MSR Address
Type
Reset Value
The SMM_HDR_MSR provides access to the address register that controls where SMI data is written.
130
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
63:32
15:3
31:0
Bit
1:0
Bit
19
18
17
16
2
Name
X
E/C
W/R
A
SELECTOR
TI
RPL
Name
RSVD
SMM_HDR
0000132Bh
R/W
00000000_00000000h
33234C
Segment Selector/Flags MSR Bit Descriptions (Continued)
Description
Executable Non-System Segment.
Expand Down Data Segment / Conforming Code Segment.
Writable Data Segment / Readable Code Segment.
Accessed Segment.
Segment Selector.
Descriptor Table Indicator (LDT/GDT).
Requestor Privilege Level.
Description
Reserved. Write as read.
SMM Header. Address that indicates where SMI data is written. SMI data is written at
lower addresses than SMM_HDR (negative offsets).
SMM_HDR_MSR Bit Descriptions
SMM_HDR_MSR Register Map
SMM_HDR
RSVD
AMD Geode™ LX Processors Data Book
9
8
CPU Core Register Descriptions
7
6
5
4
3
2
1
0