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SL4CB (Intel Pentium III 866 MHz)

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SL4CB specifications


General information
TypeCPU / Microprocessor
FamilyIntel Pentium III
Part numberRB80526PZ866256
Processor markings866/256/133/1.7V
Frequency (MHz)  ? 866
Bus speed (MHz)  ? 133
Package type370-pin FC-PGA
Socket typeSocket 370
Architecture / Microarchitecture / Other
Core steppingcC0
Processor coreCoppermine
L2 cache size (KB)  ? 256
Core voltage (V)  ? 1.7
Case temperature (°C)  ? 80
Processor substrate revisionC
Notes on sSpec SL4CB
  • L2 cache supports ECC.

Related S-Spec numbers

In addition to the SL4CB S-Spec, this processor was also manufactured with a few production and pre-production S-Spec numbers:

SteppingS-Spec RB80526PZ866256 BX80526C866256 BX80526C866256E BX80526C866256S
B0 QP16 +      
cB0 SL43J +   +  
cC0 SL4CB +      
SL4MD   +    
cD0 SL4ZJ +   + +
SL5DX +   +  
Unknown QAN4 +      
QS82 +      
QV42 +      
SL49H   +    

NOTE: Engineering and qualifications samples are marked with this color

SL4CB CPUID information

Intel Pentium 3 866 SL4CB
Part number:RB80526PZ866256
Frequency:866 MHz
Submitted by:Neon
General information
Processor type:Original OEM Processor
CPUID signature:686
Family: 6 (06h)
Model: 8 (08h)
Stepping: 6 (06h)
TLB/Cache details:Data TLB: 4-KB Pages, 4-way set associative, 64 entries
Data TLB: 4-MB Pages, 4-way set associative, 8 entries
Instruction TLB: 4-KB Pages, 4-way set associative, 32 entries
Instruction TLB: 4-MB Pages, fully associative, 2 entries

Cache: L1 data L1 instruction L2
Size: 16 KB 16 KB 256 KB
Associativity: 4-way set
4-way set
8-way set
Line size: 32 bytes 32 bytes 32 bytes
Instruction set extensionsAdditional instructions
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
  Debugging extensions
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Model-specific registers
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Physical address extensions
  Processor serial number
  Time stamp counter
  Virtual 8086-mode enhancements


2014-02-26 17:09:04
Posted by: bougui


2014-02-26 17:09:35
Posted by: bougui

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