Intel Pentium III 500/100

The Pentium III (marketed as Intel Pentium III Processor, informally PIII or P3) brand refers to Intel‘s 32-bit x86 desktop and mobile CPUs based on the sixth-generation P6 microarchitecture introduced on February 28, 1999. The brand’s initial processors were very similar to the earlier Pentium II-branded processors. The most notable differences were the addition of the Streaming SIMD Extensions (SSE) instruction set (to accelerate floating point and parallel calculations), and the introduction of a controversial serial number embedded in the chip during manufacturing. The Pentium III is also a single-core processor.

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General information
Type CPU / Microprocessor
Family Intel Pentium III
Part number 80525PY500512
Processor markings 500/512/100/2.0V S1
Frequency  ?  500 MHz
Bus speed  ?  100 MHz
Clock multiplier  ?  5
Package type SECC2
Socket type Slot 1
Architecture / Microarchitecture / Other
CPUID 0673h
Core stepping kC0
Processor core Katmai
Manufacturing technology 0.25 micron
The number of cores 1
L2 cache size  ?  512 KB
Features MMX
Core voltage  ?  2.0V
Case temperature  ?  90°C
TagRAM T6P-e
TagRAM stepping A0
Substrate revision E
Notes on sSpec SL35E
  • The processor is locked and operates only at the listed clock multiplier value.
  • X
  • L2 cache supports ECC.