Intel III Xeon 667 MHz 80526KZ667256 Data Sheet
Product codes
80526KZ667256
PENTIUM® III XEON™ PROCESSOR AT 600 MHz to 1 GHz with 256KB L2 Cache
PROCESSOR FEATURES
44
Table 26. processor Information ROM Format
Offset/Section
# of Bits
Function
Notes
HEADER: 00h
8
Data Format Revision
Two 4-bit hex digits
01h
16
EEPROM Size
Size in bytes (MSB first)
03h
8
processor Data Address
Byte pointer, 00h if not present
04h
8
processor Core Data Address
Byte pointer, 00h if not present
05h
8
L2 Cache Data Address
Byte pointer, 00h if not present
06h
8
SEC Cartridge Data Address
Byte pointer, 00h if not present
07h
8
Part Number Data Address
Byte pointer, 00h if not present
08h
8
Thermal Reference Data
Address
Byte pointer, 00h if not present
09h
8
Feature Data Address
Byte pointer, 00h if not present
0Ah
8
Other Data Address
Byte pointer, 00h if not present
0Bh
16
Reserved
Reserved for future use
0Dh
8
Checksum
1 byte checksum
PROCESSOR: 0Eh
48
S-spec/QDF Number
Six 8-bit ASCII characters
2
Sample/Production
00b = Sample only
6
Reserved
Reserved for future use
8
Checksum
1 byte checksum
CORE: 16h
2
processor Core Type
From CPUID
4
processor Core Family
From CPUID
(Family 6)
4
processor Core Model
From CPUID
(Model 8)
4
processor Core Stepping
From CPUID
2
Reserved
16
OCVR option 2
Input Voltage ID
Voltage in mV
(0=2.8V, 12000=5/12V
16
OCVR option 2
Input Voltage Tolerance
Edge finger tolerance in mV, +/-
(0=2.8V, 600=5/12V)
8
Reserved
Reserved for future use
16
Maximum Core Frequency
16-bit binary number (in MHz)
16
OCVR option 1
Input Voltage ID
Voltage in mV
(2800=2.8V, 5000=5/12V)
16
OCVR option 1
Input Voltage Tolerance
Edge finger tolerance in mV, +/-
(85=2.8V, 250=5/12V)
8
Reserved
Reserved for future use
8
Checksum
1 byte checksum
L2 CACHE: 25h
32
Reserved
Reserved