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SL8HX (Intel Pentium 4 521) Detail Information


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General information
Type CPU / Microprocessor
Family Intel Pentium 4
Processor number 521
Part number JM80547PG0721MM
BX80547PG2800EK
Frequency (GHz) 2.8
Bus speed (MHz) 800
Clock multiplier 14
Package type 775-land FC-LGA4
Socket type Socket 775 (LGA775)
Architecture / Microarchitecture / Other
CPUID 0F41h
Core stepping E0
Next stepping QFIL
Next production stepping SL8PP
Processor core Prescott
Manufacturing technology (micron) 0.09
L2 cache size (MB) 1
Features EM64T technology
Execute disable bit
Hyper-Threading technology
Core voltage (V) 1.25 - 1.4
Case temperature (°C) 67.7
Notes on sSpec SL8HX
  • This part also ships as a boxed processor with an unattached fan heatsink.
  • Microprocessors with this S-Spec have multiple VIDs.
  • This S-spec supports the 775_VR_CONFIG_04A (mainstream) guidelines for processors with Iccmax up to 78A, and VID up to 1.4V.

Other S-Spec number