Intel 1.30 GHz YA80543KC0133M User Manual

83

09h

8

Feature Data Address

Byte pointer, 00h if not present

67h

0Ah

8

Other Data Address

Byte pointer, 00h if not present

7Ah

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

25h

8

Core Voltage Tolerance, 
Low

Edge finger tolerance in mV, –
two 4-bit hex digits

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