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AMD-K5 Processor Data Sheet 18522F/0—Jan1997
PRELIMINARY INFORMATION
Table 12. SMM Save Area Map
Address Contents Address Contents
FFFCh CR0 FF74h LDT Attribute
FFF8h CR3 FF70h LDT Base
FFF4h EFLAGS FF6Ch LDT Limit
FFF0h EIP FF68h GS Attributes
FFECh EDI FF64h GS Base
FFE8h ESI FF60h GS Limit
FFE4h EBP FF5Ch FS Attributes
FFE0h ESP FF58h FS Base
FFDCh EBX FF54h FS Limit
FFD8h EDX FF50h DS Attributes
FFD4h ECX FF4Ch DS Base
FFD0h EAX FF48h DS Limit
FFCCh DR6 FF44h SS Attributes
FFC8h DR7 FF40h SS Base
FFC4h TR FF3Ch SS Limit
FFC0h LDTR FF38h CS Attributes
FFBCh GS FF34h CS Base
FFB8h FS FF30h CS Limit
FFB4h DS FF2Ch ES Attributes
FFB0h SS FF28h ES Base
FFACh CS FF24h ES Limit
FFA8h ES FF20h
ReservedFFA4h I/O Trap Word FF1Ch
FFA0h Reserved FF18h
FF9Ch I/O Trap EIP FF14h CR2
FF98h
Reserved
FF10h CR4
FF94h FF0Ch I/O restart ESI
FF90h IDT Base FF08h I/O restart ECX
FF8Ch IDT Limit FF04h I/O restart EDI
FF88h GDT Base FF02h Halt Restart
FF84h GDT Limit FF00h I/O Trap Restart
FF80h TR Attribute FEFCh SMM Rev ID
FF7Ch TR Base FEF8h SMM Base Address
FF78h TR Limit FE00h–FEF4h reserved
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