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QA81 (Intel Pentium III 533 MHz)

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QA81 specifications

General information
TypeCPU / Microprocessor
FamilyIntel Pentium III
Part number80525PZ533512
Processor markings80525PZ533512
Frequency (MHz)  ? 533
Bus speed (MHz)  ? 133
Package typeSECC2
Socket typeSlot 1
Architecture / Microarchitecture / Other
Processor coreKatmai
L2 cache size (KB)  ? 512
Notes on sSpec QA81
  • Engineering sample.
  • The processor is marked as QA81ES

Related S-Spec numbers

In addition to the QA81 S-Spec, this processor was also manufactured with a few production and pre-production S-Spec numbers:

SteppingS-Spec 80525PZ533512 BX80525U533512 BX80525U533512E
kC0 SL3BN + +  
SL3E9     +
Unknown QA80 +    
QA81 +    

NOTE: Engineering and qualifications samples are marked with this color


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