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Intel BX80569Q9550 - Core 2 Quad 2.83 GHz Processor Datasheet: Smbus Memory Component; Processor Information Rom (pirom); Itanium® Processor 9500 Series; Processor Information Rom Data

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6.2

SMBus Memory Component

6.2.1

Processor Information ROM (PIROM)

Table 6-1
Section
6.4.
Table 6-1.
Processor Information ROM Data (Sheet 1 of 6)
Sec #
Offset
Field Name
0
00h
Data Format Revision
1
01h
EEPROM Size
2
02h
3
03h
Processor Data Address
4
04h
Processor Core Address
5
05h
Processor Uncore
6
06h
Processor Cache
7
07h
Package Data Address
8
08h
Part Number Data
9
09h
Thermal Reference Data
10
0Ah
Feature Data Address
11
0Bh
Other Data Address
12
0Ch
RESERVED
13
0Dh
14
0Eh
Checksum
21
15h
Sample/Production
22
16h
Voltage Regulator Type
Required
23
17h
24
18h
144
maps the PIROM offsets to the field definitions, which are described in
Data Type
Hex
Hex
Hex Byte pointer
Hex Byte pointer
Hex Byte pointer
Address
Hex Byte pointer
Address
Hex Byte pointer
Hex Byte pointer
Address
Hex Byte pointer
Address
Hex Byte pointer
Hex Byte pointer
Hex
Hex
Hex
Hex
VCCA
4 binary coded
decimal (bcd)
digits
Description
General
Incremented with PIROM Table
revisions
Size in Bytes
Pointer to the section of PIROM
containing Processor Production
Data
Pointer to the section of PIROM
containing Processor Core Data
Pointer to the section of PIROM
containing Processor Uncore Data
Pointer to the section of PIROM
containing Processor Cache Data
Pointer to the section of PIROM
containing Processor Package
Data
Pointer to the section of PIROM
containing Processor Part Number
Data
Pointer to the section of PIROM
containing Processor Thermal
Reference Data
Pointer to the section of PIROM
containing Processor Features
Data
Pointer to the section of PIROM
containing Processor "Other" Data
Reserved for future use
Add up by byte and take 2's
complement
Processor
Identifies sample parts separately
from production parts
Identifies Ararat type required
Processor Analog Voltage Supply
in four 4-bit Hex digits (in mV)
®
®
Intel
Itanium
Processor 9300 Series and 9500 Series Datasheet
System Management Bus Interface
Example
Rev 1.6 = 0x10
128 bytes = 0080h; that
is,
02h[7:0] = 0x00
01h[7:0] = 0x80
0x0F; 0x00 if not
present
0x22; 0x00 if not
present
0x2E; 0x00 if not
present
0x46; 0x00 if not
present
0x4F; 0x00 if not
present
0x56; 0x00 if not
present
0x6B; 0x00 if not
present
0x72; 0x00 if not
present
0x7D; 0x00 if not
present
0Ch = 0x00
0Dh = 0x00
0x01 = Production
0x00 = Sample
0x00 for Intel®
Itanium® Processor
9300 Series,
0x01 for Intel®
Itanium® Processor
9500 Series
1.800V = 1800
17h = 00
18h = 18

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