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PID: 30430 Rev 3.51 March 2006
Notes:
1.
CPUID extended function 8000_0001h fields are used by BIOS in uniquely associating a given processor to the P-
states that are valid for that processor. Refer to the BIOS and Kernel Developer's Guide for AM D Athlon™ 64
and AM D Opteron™ Processors, order# 26094.
2.
FIDVID Status Register, M SR C001_0042h.
3.
BIOS programs the AltVID setting into Function 3: Offset D8h. Not all systems are AltVID capable. Refer to the
BIOS and Kernel Developer's Guide for AM D Athlon™ 64 and AM D Opteron™ Processors, order# 26094 for
further details.
4.
The VID_VDD voltage for Low Power M obile parts corresponds to 0 load (0 Amp IDD) conditions for the
VID[4:0] requested VDD supply level. Refer to the AM D Functional Data Sheet, 754 Pin Package, order #31410,
for details.
5.
Refer to the BIOS and Kernel Developer's Guide for AM D Athlon™ 64 and AM D Opteron™ Processors, order
#26094, for information on translating VID Codes to Standard or Low Power M obile Voltages.
6.
Thermal Design Power (TDP) for Low Power M obile parts is measured under the conditions of Tdie M ax, IDD
M ax, and VDD=VDD_dc Typ, and include all power dissipated on-die from VDD, VDDIO, VLDT, VTT, and
VDDA. Contact your Field Application Engineer for more information on TDP specifications.
7.
Implementation of this P-state is optional in BIOS.
AMD Athlon™ 64 Processor Power and Thermal Data Sheet
AMD Turion™ 64 Mobile Technology
79
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