參數(shù)資料
型號(hào): AMDK86
英文描述: AMD K86 - AMD K86 Family BIOS and Software Tools Developers Guide
中文描述: AMD的K86 - AMD的K86系列BIOS和軟件工具開發(fā)人員指南
文件頁數(shù): 30/144頁
文件大?。?/td> 2179K
代理商: AMDK86
18
AMD-K5 Processor
AMD K86 Family BIOS and Software Tools Developers Guide
21062E/0—June 1997
Preliminary Information
AMD-K5 Processor RESET State
The state of all architecture registers and Model-Specific
Registers (MSRs) after the AMD-K5 processor has completed
its initialization due to the recognition of the assertion of
RESET are shown in Table 9.
Table 9.
State of the AMD-K5 Processor After RESET
Register
RESET State
Notes
GDTR
IDTR
TR
LDTR
EIP
EFLAGS
EAX
EBX
ECX
EDX
ESI
EDI
EBP
ESP
CS
SS
DS
ES
FS
GS
FPU Stack R7–R0
Notes:
1. The contents of EAX indicate if BIST was successful. If EAX = 0000_0000h, then BIST
was successful. If EAX is non-zero, BIST failed.
2. EDX contains the AMD-K5 processor signature, which is comprised of the instruction
family, model, and stepping.
3. These MSRs are described in
“AMD-K5 Processor x86 Architecture Extensions” on
page 57.
4. The AMD-K5 processor supports write allocate only on Models 1, 2, and 3, with a
Stepping of 4 or greater.
base:0000_0000 limit:0000h
base:0000_0000 limit:0000h
0000h
0000h
FFFF_FFF0h
0000_0002h
0000_0000h
0000_0000h
0000_0000h
0000_05XXh
0000_0000h
0000_0000h
0000_0000h
0000_0000h
F000h
0000h
0000h
0000h
0000h
0000h
0000_0000_0000_0000_0000h
1
2
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