30430 Rev. 3.43

October 2004

AMD Athlon™ 64 Processor Power and Thermal Data Sheet

Chapter 2

AMD Athlon™ 64 FX Desktop Processor

19

Parameter/OPN

ADAFX55DEI5AS

Model Number

FX55

CPUID 8000_0001h EAX [31:0]

7

00000F7Ah

FID/VID Status MaxVID Field

8

00h

FID/VID Status MaxFID Field

8

2Ah

FID/VID Status StartVID Field

8

02h

FID/VID Status StartFID Field

8

12h

L2 Cache Size

1 MB

10

63°C

11

63°C

Max Frequency

2600 MHz

VID_VDD

1.50 V

IDD Max

67.4 A

Thermal Design Power

1

104 W

Thermal Resistance (case-to-ambient)

12

0.22

°C/W

Min P-State

1200 MHz

VID_VDD

1.10 V

IDD Max

20.1 A

Thermal Design Power

1

25 W

Halt/Stop Grant at Max P-State

2

IDDC1 Max

32.1 A

I/O Power

5

2.9 W

Halt/Stop Grant at Min P-State

3

IDDC1 Max

N/A

I/O Power

5

N/A

S3

4

I/O Power

4,6

400 mW

Notes:

1.

and include all power dissipated on-die from VDD, VDDIO, VLDT, VTT, and VDDA.

2.

3.

Assumes 50

°C, VDD nom, clock divider set to 32.

4.

Assumes 35

°C, VDD, VDDA, and VLDT supplies are off, VDDIO and VTT are powered, memory in self-refresh

mode and DDR SDRAM interface tristated except CKE pins.

5.

Thermal Design Power for VDDIO, VTT, VLDT, and VDDA power planes only.

6.

Thermal Design Power for VDDIO and VTT power planes only.

7.

CPUID extended function 8000_0001h fields are used by the 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

AMD Athlon™ 64 and AMD Opteron™ Processors, order# 26094.

8.

FIDVID Status Register, MSR C001_0042h.

9.

Ambient temperature into heat sink (internal ambient) assumed to be 42

°C.

value is programmed into Rev D and later processors. Refer to the appropriate functional data sheet, and the

THERMTRIP Status Register in the BIOS and Kernel Developer’s Guide for AMD Athlon™ 64 and

AMD Opteron™ Processors, order# 26094.