AMD-K6 AMD [Advanced Micro Devices], AMD-K6 Datasheet - Page 213

• Manufacturer Part Number: AMD-K6
• Description: AMD-K6 Processor
• Manufacturer: AMD [Advanced Micro Devices]

20695H/0—March 1998
Figure 72. SMM Memory
Chapter 10
Service Routine Entry Point
SMM Base Address (CS)
Table 33 shows the initial state of registers when entering SMM.
Table 33. Initial State of Registers in SMM
Fill Down
General Purpose Registers
EFLAGs
CR0
DR7
GDTR, LDTR, IDTR, TSSR, DR6
EIP
CS
DS, ES, FS, GS, SS
System Management Mode (SMM)
Registers
Service Routine
State-Save
SMM
SMM
Area
0003_FFFFh
0003_FE00h
0003_8000h
0003_0000h
unmodified
0000_0002h
PE, EM, TS, and PG are cleared (bits 0, 2, 3,
and 31). The other bits are unmodified.
0000_0400h
0000_8000h
0003_0000h
unmodified
0000_0000h
AMD-K6
SMM Initial State
®
Processor Data Sheet
32-Kbyte
Minimum RAM
195