Intel AT80604004881AA User Manual

148

Intel® Xeon® Processor 7500 Datasheet, Volume 1

The processor supports low power states at the individual thread, core, and package 
level for optimal power management. 

 lists C-State power specifications for various Intel® Xeon® processor 7500 

series SKUs.

1. Specifications are with all cores in the specified C-State.

2

2. Four core and six core SKUs

3

3. All core combinations

C1E

62 W

56 W

48 W

C3

57 W

52 W

44 W

00h

8

Data Format Revision

Two 4-bit hex digits

Start with 00h

01-02h

16

PIROM Size

Size in bytes (MSB first)

Use a decimal to hex transfer; 128 

bytes = 0080h:

03h

8

Processor Data Address

Byte pointer, 00h if not present

0Eh

04h

8

Processor Core Data Address

Byte pointer, 00h if not present

1Bh

05h

8

Processor Uncore Data Address

Byte pointer, 00h if not present

2A

06h

8

Package Data Address

Byte pointer, 00h if not present

4Ch

07h

8

Part Number Data Address

Byte pointer, 00h if not present

54h

08h

8

Thermal Reference Data Address

Byte pointer, 00h if not present

66h

09h

8

Feature Data Address

Byte pointer, 00h if not present

6Ch

0Ah

8

Other Data Address

Byte pointer, 00h if not present

77h

0B-0Ch

16

Reserved

Reserved for future use

0000h

0Dh

8

Checksum

1 byte checksum

Add up by byte and take 2’s 

complement

0E-13h

48

S-spec/QDF Number

Six 8-bit ASCII characters

14h

7/1

Sample/Production

First seven bits reserved

0b = Sample, 1b = Production
00000001 = production

15

6
2

Number of Cores
Number of Threads

[7:2] = Number of cores 
[1:0] = Threads per core

00100010 = 8 cores with 2 threads 

each

16-17h

16

System Bus Speed

Four 4-bit hex digits (Mhz)

0133h = 133MHz

1