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QJU5 (Intel Pentium 4 1.9 GHz) Detail Information


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General information
Type CPU / Microprocessor
Family Intel Pentium 4
Part number RK80531PC037G0K
Processor markings 80531PC1.9G256
Frequency (GHz) 1.9
Bus speed (MHz) 400
Clock multiplier 19
Package type 478-pin FC-PGA2
Socket type Socket 478 (mPGA478B)
Architecture / Microarchitecture / Other
Core stepping E0
Processor core Willamette
Manufacturing technology (micron) 0.18
Number of cores 1
L2 cache size (KB) 256
Notes on sSpec QJU5
  • The processor is marked as QJU5ES
  • Qualification sample.

Other S-Spec number