Intel Itanium 9140M NE80567KF028009 Manuale Utente

83

0Bh

16

Reserved

Reserved for future use

0000h

0Dh

8

Checksum

1 byte checksum

Add up by byte and take 

2’s complement.

0Eh

48

S-spec Number

Six 8-bit ASCII characters

S-spec number of S123 

would be:

• 13h = 00h
• 12h = 00h
• 11h = “3”
• 10h = “2”
• 0Fh  =  “1”
• 0Eh  =  “S”

14h

2

Sample/Production

00b = Sample only (MSB First)

00000001b = Production

15h

8

Reserved

Reserved for future use

00h

16h

8

Checksum

1 byte checksum

Add up by byte and take 

2’s complement.

17h

8

Architecture Revision

From CPUID

1

Taken from 

CPUID[3].archrev.

18h

8

Processor Core Family

From CPUID

Taken from 

CPUID[3].family.

19h

8

Processor Core Model

From CPUID

Taken from 

CPUID[3].model.

1Ah

8

Processor Core Stepping

From CPUID

Taken from 

CPUID[3].revision.

1Bh

24

Reserved

Reserved for future use

000000h

1Eh

16

Maximum Core Frequency

Four 4-bit hex digits (in MHz)

1 GHz = 1000h 

2

20h

12

Maximum System Bus 

Frequency

Three 4-bit hex digits (in MHz)

200 MHz = 200h 

22h

16

Core Voltage ID

Voltage in four 4-bit hex digits 

(in mV)

1500 mV = 1500h 

24h

8

Core Voltage Tolerance, High

Edge finger tolerance in mV, +

two 4-bit hex digits

1.5% = 22 mV = 22h 

25h

8

Core Voltage Tolerance, Low

Edge finger tolerance in mV, –

two 4-bit hex digits

1.5% = 22 mV = 22h 

26h

8

Reserved

Reserved for future use

00h

27h

8

Checksum

1 byte checksum

Add up by byte and take 

2’s complement.

28h

32

Reserved

Reserved for future use

00000000h

2Ch

16

Cache Size

Four 4-bit hex digits (in Kbytes)

3072 Kbytes = 3072h 

2Eh

64

Reserved

Reserved for future use

x0h

36h

8

Checksum

1 byte checksum

37h

32

Package Revision

Four 8-bit ASCII characters

 NE:

• 37h = N
• 38h = E
• 39h = 0
• 3Ah  =  0

3Bh

2

Substrate Revision Software 

ID

2-bit revision number

00