Intel Core 2 Duo U7500 U7500 Manual De Usuario
Los códigos de productos
U7500
Identification Information
Specification Update
7
Identification Information
Component Identification via Programming Interface
The Intel Core 2 Duo processor and Intel Core 2 Extreme processor on 45-nm process
stepping can be identified by the following register contents:
Reserved Extended
Family
1
Extended
Model
2
Reserved Processor
Type
3
Family
Code
4
Model
Number
5
Stepping
ID
6
31:28 27:20 19:16 15:14 13:12 11:8 7:4
3:0
0000000b
0001b 00b
0110b
0111b
XXXXb
NOTES:
1.
The Extended Family, Bits [27:20] are used in conjunction with the Family Code,
specified in bits [11:8], to indicate whether the processor belongs to the Intel386®,
Intel486®, Pentium®, Pentium Pro, Pentium 4, or Intel Core processor family.
2.
The Extended Model, Bits [19:16] in conjunction with the Model Number, specified in
Bits [7:4], are used to identify the model of the processor within the processor’s family.
3.
The Processor Type, specified in Bits [13:12] indicates whether the processor is an
original OEM processor, an OverDrive® processor, or a dual processor (capable of being
used in a dual-processor system).
4.
The Family Code corresponds to Bits [11:8] of the EDX register after RESET, Bits [11:8]
of the EAX register after the CPUID instruction is executed with a 1 in the EAX register,
and the generation field of the Device ID register accessible through Boundary Scan.
5.
The Model Number corresponds to Bits [7:4] of the EDX register after RESET, Bits [7:4]
of the EAX register after the CPUID instruction is executed with a 1 in the EAX register,
and the model field of the Device ID register accessible through Boundary Scan.
6.
The Stepping ID in Bits [3:0] indicates the revision number of that model. See Table 1
for the processor stepping ID number in the CPUID information.
Note: When EAX is initialized to a value of 1, the CPUID instruction returns the Extended
Family, Extended Model, Type, Family, Model and Stepping value in the EAX register.
Note that the EDX processor signature value after reset is equivalent to the processor
signature output value in the EAX register.
Note that the EDX processor signature value after reset is equivalent to the processor
signature output value in the EAX register.
Cache and TLB descriptor parameters are provided in the EAX, EBX, ECX and EDX
registers after the CPUID instruction is executed with a 2 in the EAX register.