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AMD-K6-2E/233AMZ Datasheet(PDF) 239 Page - Advanced Micro Devices

Part # AMD-K6-2E/233AMZ
Description  AMD-K6??2E Embedded Processor
PDF  332 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AMD-K6-2E/233AMZ Datasheet(HTML) 239 Page - Advanced Micro Devices

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Chapter 11
System Management Mode (SMM)
221
22529B/0—January 2000
AMD-K6™-2E Processor Data Sheet
Preliminary Information
11.3
SMM Revision Identifier
The SMM revision identifier at offset FEFCh in the SMM
state-save area specifies the version of SMM and the extensions
that are available on the processor. The SMM revision identifier
fields are as follows:
s
Bits 31–18—Reserved
s
Bit 17—SMM base address relocation (1 = enabled)
s
Bit 16—I/O trap restart (1 = enabled)
s
Bits 15–0—SMM revision level for the AMD-K6-2E processor
= 0002h
FF3Ch
SS Limit
FF38h
CS Attr
FF34h
CS Base
FF30h
CS Limit
FF2Ch
ES Attr
FF28h
ES Base
FF24h
ES Limit
FF20h
No data dump at this address
FF1Ch
No data dump at this address
FF18h
No data dump at this address
FF14h
CR2
FF10h
CR4
FF0Ch
I/O restart ESI1
FF08h
I/O restart ECX1
FF04h
I/O restart EDI1
FF02h
HALT Restart Slot
FF00h
I/O Trap Restart Slot
FEFCh
SMM RevID
FEF8h
SMM BASE
FEF7h–FE00h
No data dump at these addresses
Notes:
1. Only contains information if SMI# is asserted during a valid I/O bus cycle.
Table 41. SMM State-Save Area Map (continued)
Address Offset
Contents Saved



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