參數(shù)資料
型號: 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): 16/144頁
文件大?。?/td> 2179K
代理商: AMDK86
4
CPU Identification Algorithms
AMD K86 Family BIOS and Software Tools Developers Guide
21062E/0—June 1997
Preliminary Information
determined by calculating the core frequency of the processor.
Use the Time Stamp Counter (TSC) to ‘clock’ a timed operation
and compare the result to the Real Time Clock (RTC) to
determine the operating frequency.
Note:
Tables 1 and 2 contain information intended to prepare the
infrastructure for potential future products. These products
may or may not be announced, but BIOS software should be
prepared to support these options.
Table 1.
Summary of AMD-K5 Processor CPU IDs and BIOS Boot Strings
Instruction
Family Code
Model
Code
CPU Speed
(MHz)
CPU Bus
Speed
(MHz)
50
60
66
60
66
60
66
66
Recommended
BIOS Boot-String
CPUID Functions 8000_0002, 3, 4
Return Values
5
(AMD-K5 Processor)
0
75
90
100
90
100
105
116.7
133
AMD-K5-PR75
AMD-K5-PR90
AMD-K5-PR100
AMD-K5-PR120
AMD-K5-PR133
AMD-K5-PR150
AMD-K5-PR166
AMD-K5-PR200
undefined
undefined
undefined
AMD-K5(tm) Processor
AMD-K5(tm) Processor
AMD-K5(tm) Processor
AMD-K5(tm) Processor
AMD-K5(tm) Processor
1
2
3
Table 2.
Summary of AMD-K6 MMX Enhanced Processor CPU IDs and BIOS Boot Strings
Instruction
Family Code
Model
Code
CPU
Speed
(MHz)
TBD
CPU Bus
Speed
(MHz)
60
Recommended BIOS Boot-String Display
5
(AMD-K6 MMX
Enhanced Processor)
6
AMD-K6(tm)/XXX
TBD
66
AMD-K6(tm)/XXX
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