Intel BX80569Q9550 - Core 2 Quad 2.83 GHz Processor Datasheet page 145

System Management Bus Interface
Table 6-1. Processor Information ROM Data (Sheet 2 of 6)
Sec # Offset Field Name
25 19h VCCA Voltage Tolerance
26 1Ah VCCA Voltage Tolerance
27 1Bh VCCIO Voltage
28 1Ch
29 1Dh
30 1Eh VCCIO Voltage Tolerance
31 1Fh VCCIO Voltage Tolerance
32 20h RESERVED
33 21h Checksum
34 22h Architecture Revision
35 23h Processor Core Family
36 24h Processor Core Model
37 25h Processor Core Stepping
38 26h Boost Core Frequency
(Intel® Itanium®
39 27h
Processor 9300 Series)
Core Count (0x26)
RESERVED (0x27)
(Intel® Itanium®
Processor 9500 Series)
40 28h Core Voltage ID
41 29h
42 2Ah Core Voltage Tolerance,
43 2Bh Core Voltage Tolerance,
44 2Ch RESERVED
45 2Dh Checksum
46 2Eh Maximum Intel
QuickPath Interconnect
47 2Fh
Link Transfer Rate
48 30h
® ®
Intel Itanium Processor 9300 Series and 9500 Series Datasheet
Data Type
2 Hex digits
High
2 Hex digits
Low
6 bcd digits
2 Hex digits
High
2 Hex digits
Low
Hex
Hex
2 Hex Digits
2 Hex Digits
2 Hex Digits
2 Hex Digits
4 bcd digits
(Intel® Itanium®
Processor 9300
Series)
2 bcd digits (0x26)
2 Hex digits
(0x27)
(Intel® Itanium®
Processor 9500
Series)
4 bcd digits
2 Hex digits
High
2 Hex digits
Low
Hex
Hex
® 6 bcd digits
Description
Total tolerance (DC+AC) in mV
Total tolerance (DC+AC) in mV
Voltage in six 4-bit Hex digits in
mV^-2
Total tolerance (DC+AC) in mV
Total tolerance (DC+AC) in mV
Reserved for future use
Add up by byte and take 2's
complement
Core
From CPUID
From CPUID
From CPUID
From CPUID
Maximum Specified operating
frequency of this part in MHz
(Intel® Itanium® Processor 9300
Series)
Number of available cores in the
processor (0x26) (Intel®
Itanium® Processor 9500 Series)
Voltage in four 4-bit Hex digits (in
mV)
Edge finger tolerance in mV, +
Edge finger tolerance in mV, -
Reserved for future use
Add up by byte and take 2's
complement
Uncore
Maximum Intel ® QuickPath
Interconnect Link Transfer rate
for this part in MT/s
Example
61mV = 3Dh
61mV = 3Dh
1.11250V = 001125
1Bh = 25
1Ch = 11
1Dh = 00
28 mV = 0x1C
28 mV = 0x1C
0x00
Taken from
CPUID[3].archrev
Taken from
CPUID[3].family
Taken from
CPUID[3].model
Taken from
CPUID[3].revision
1733 MHz = 1733
26h = 33
27h = 17
(Intel® Itanium®
Processor 9300 Series)
26h = 08
27h = 0x00
(Intel® Itanium®
Processor 9500 Series)
1200 mV = 1200h
28h = 00
29h = 12
20 mV = 0x14
20 mV = 0x14
0x00
4.8 GT/s = 004800
2Eh = 00
2Fh = 48
30h = 00
145