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Q98X (Intel Pentium 4 540)

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Q98X specifications

General information
TypeCPU / Microprocessor
FamilyIntel Pentium 4
Processor number  ? 540
Part numberJM80547PG0881M
Frequency (GHz)  ? 3.2
Bus speed (MHz)  ? 800
Package type775-land FC-LGA4
Socket typeSocket 775 (LGA775)
Architecture / Microarchitecture / Other
Core steppingE0
Previous steppingSL7J7
Next production steppingSL7PW
Processor corePrescott
Manufacturing technology (micron)0.09
L2 cache size (MB)  ? 1
FeaturesExecute disable bit  ? 
Hyper-Threading technology
Notes on sSpec Q98X
  • This part has Enhanced Halt State enabled.
  • Qualification sample.
  • The samples are available starting from July 6, 2004
  • Changes in E0 stepping: Execute disable bit, additional power management features.
  • The processor is marked as Q98XES

Related S-Spec numbers

In addition to the Q98X S-Spec, this processor was also manufactured with a few production and pre-production S-Spec numbers:

SteppingS-Spec B80547PG0881M HH80547PG0881M JM80547PG0881M BX80547PG3200E BX80547PG3200EJ BX80547PG3200EM
C1 QS16     +      
D0 Q01M     +      
Q02M     +      
SL7J7     + +    
SL7KL +     +    
SL7LA     +     +
E0 Q98X     +      
Q99X     +      
SL7PW     +   +  
SL7PX     +      
SL82Z +          
SL832     +      
Unknown SL8BY     +      

NOTE: Engineering and qualifications samples are marked with this color


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