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參數(shù)資料
| 型號： | INTELDX4 |
| 廠商： | Intel Corp. |
| 英文描述： | Embedded Write-Back Enhanced Processor(32位回復嵌入式增強型處理器) |
| 中文描述： | 嵌入式回寫增強型處理器（32位回復嵌入式增強型處理器） |
| 文件頁數(shù)： | 31/50頁 |
| 文件大?。?/td> | 534K |
| 代理商： | INTELDX4 |
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Embedded Write-Back Enhanced IntelDX4 Processor
27
Vendor ID String
- When the parameter passed in EAX is 0 (zero), the register values returned upon
instruction execution are shown in the following table.
The values in EBX, EDX and ECX indicate an Intel processor. When taken in the proper order, they decode to
the string “
GenuineIntel
.”
The state of the WB/WT# input pin is sampled by the processor on the falling edge of the RESET signal. If
WB/WT# is LOW, the processor is configured to operate in Write-Through/Standard Bus mode. If HIGH, it is
configured to operate in Write-Back/Enhanced Bus mode. The value of the “Model” field of the processor
signature register depends on the bus mode for which the processor is configured.
Processor Identification
- When the parameter passed to EAX is 1 (one), the register values returned upon
instruction execution are:
31---------------------------14
31-------------24
0 0 0 0
23-----------16
0 0 0 0
15--------------8
0 0 0 0
7--------------0
0 0 0 1
High Value (= 1)
EAX
Vendor ID String
(ASCII
Characters)
EBX
EDX
ECX
u
(75)
I
(49)
l
(6C)
n
(6E)
e
(65)
e
(65)
e
(65)
n
(6E)
t
(74)
G
(47)
i
(69)
n
(6E)
13,12
11----8
7----4
3----0
Processor
Signature for
Write-Through/Stan-
dard Bus mode
EAX
(Do Not Use)
Intel Reserved
0 0
Processor
Type
0 1 0 0
Family
1 0 0 0
Model
XXXX
Stepping
Processor
Signature for
Write-
Back/Enhanced Bus
mode
(Do Not Use)
Intel Reserved
0 0
Processor
Type
0 1 0 0
Family
1 0 0 1
Model
XXXX
Stepping
(Intel releases information about stepping numbers as needed)
31--------------------------------------------------------------------------------------------------0
Intel Reserved
EBX
Intel Reserved
(Do Not Use)
ECX
Intel Reserved
31----------------------------------------------------------------------------2
1
0
Feature Flags
EDX
0------------------------------------------------------------------------------0
1
VME
0
FPU
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