參數(shù)資料
型號(hào)： 21329
英文描述： AMD-K6 Processor Power Supply Design Application Note AMD-K6 Processor Bios Design Application Note
中文描述： 的AMD - K6處理器電源設(shè)計(jì)應(yīng)用指南的AMD - K6處理器的BIOS設(shè)計(jì)中的應(yīng)用說(shuō)明
文件頁(yè)數(shù)： 13/52頁(yè)
文件大?。?/td> 687K
代理商： 21329
BIOS Consideration Checklist
3
21329L/0—December 1999
AMD-K6
Processor BIOS Design
BIOS Consideration Checklist
AMD-K6
Processor Models 6, 7 and AMD-K6-2 Processor Model 8/[7:0]
The term
processor
in this section is defined as the AMD-K6
processor Models 6 and 7, and the AMD-K6-2 processor Model
8/[7:0].
CPUID
I
Use the CPUID instruction to properly identify the
processor. For information on the CPUID instruction, refer
to the
AMD Processor Recognition Application Note
, order#
20734.
Determine the processor model, stepping, and features
using functions 0000_0001h and 8000_0001h of the CPUID
instruction.
Display BIOS boot strings:
AMD-K6(tm)/XXX
for Models 6
and 7, and
AMD-K6(tm)-2/XXX
for all steppings of the Model
8.
For more information, see “CPUID Identification
Algorithms” on page 9.
I
I
CPU Speed Detection
I
Use speed detection algorithms that do not rely on
repetitive instruction sequences.
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. See the
CPU
Speed Determination Program
available on the AMD website
at http://www.amd.com/K6/k6docs/.
Display the recommended BIOS boot string as shown in
Table 4, “Summary of AMD-K6
Processor Models and BIOS
Boot String
,” on page 10.
I
I
Model-Specific
Registers (MSRs)
I
Only access MSRs implemented in the processor.
Enable Write Allocation by programming the Write
Handling Control Register (WHCR). See “Write Handling
Control
Register
(WHCR)”
Implementation of Write Allocate in the K86 Processors
Application Note
, order# 21326
for more information.
I
on
page
17
and
the
Cache Testing
I
The processor does not contain MSRs to allow for testing of
the L1 cache.
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