Intel 9550 CM8063101049807 Data Sheet

Product codes
CM8063101049807
Page of 172
System Management Bus Interface
144
Intel
®
 Itanium
®
 Processor 9300 Series and 9500 Series Datasheet
6.2
SMBus Memory Component
6.2.1
Processor Information ROM (PIROM)
 maps the PIROM offsets to the field definitions, which are described in 
Table 6-1.
Processor Information ROM Data (Sheet 1 of 6)
Sec #
Offset
Field Name
Data Type
Description
Example
General
0
00h
Data Format Revision
Hex
Incremented with PIROM Table 
revisions
Rev 1.6 = 0x10
1
01h
EEPROM Size
Hex
Size in Bytes
128 bytes = 0080h; that 
is,
02h[7:0] = 0x00
01h[7:0] = 0x80
2
02h
3
03h
Processor Data Address
Hex Byte pointer
Pointer to the section of PIROM 
containing Processor Production 
Data
0x0F; 0x00 if not 
present
4
04h
Processor Core Address
Hex Byte pointer
Pointer to the section of PIROM 
containing Processor Core Data
0x22; 0x00 if not 
present
5
05h
Processor Uncore 
Address
Hex Byte pointer
Pointer to the section of PIROM 
containing Processor Uncore Data
0x2E; 0x00 if not 
present
6
06h
Processor Cache 
Address
Hex Byte pointer
Pointer to the section of PIROM 
containing Processor Cache Data
0x46; 0x00 if not 
present
7
07h
Package Data Address
Hex Byte pointer
Pointer to the section of PIROM 
containing Processor Package 
Data
0x4F; 0x00 if not 
present
8
08h
Part Number Data 
Address
Hex Byte pointer
Pointer to the section of PIROM 
containing Processor Part Number 
Data
0x56; 0x00 if not 
present
9
09h
Thermal Reference Data 
Address
Hex Byte pointer
Pointer to the section of PIROM 
containing Processor Thermal 
Reference Data
0x6B; 0x00 if not 
present
10
0Ah
Feature Data Address
Hex Byte pointer
Pointer to the section of PIROM 
containing Processor Features 
Data
0x72; 0x00 if not 
present
11
0Bh
Other Data Address
Hex Byte pointer
Pointer to the section of PIROM 
containing Processor “Other” Data
0x7D; 0x00 if not 
present
12
0Ch
RESERVED
Hex
Reserved for future use
0Ch = 0x00
13
0Dh
0Dh = 0x00
14
0Eh
Checksum
Hex
Add up by byte and take 2's 
complement
Processor
21
15h
Sample/Production
Hex
Identifies sample parts separately 
from production parts
0x01 = Production
0x00 = Sample
22
16h
Voltage Regulator Type 
Required
Hex
Identifies Ararat type required
0x00 for Intel® 
Itanium® Processor 
9300 Series, 
0x01 for Intel® 
Itanium® Processor 
9500 Series
23
17h
VCCA
4 binary coded 
decimal (bcd) 
digits
Processor Analog Voltage Supply 
in four 4-bit Hex digits (in mV)
1.800V = 1800
17h = 00
18h = 18
24
18h