Intel Pentium 90 (A80502-90)
Not linked to any boards or cards.
tag Also known as
Microarchitecture
CPUID 521 (B1),522 (B3),524 (B5),525 (C2),526 (E0),52B (cB1),52C (cC0)
L1 cache 8KB code, 8KB data
Process node 600/350nm
Core P54C
Bus speed 60MHz
Frequency 90MHz
Multiplier 1.5x
Power
Voltage 3.3V
doc No chip documents available
notes Notes

Steppings earlier than B5 suffer from the infamous Intel FDIV bug.

drv No drivers available
wrench Known issues
  • Recalled Product (Certain revisions only)

One or more revisions of this hardware component were recalled from the market because of certain reasons like defects (including major breaking ones), overheating, fire, or safety hazards. Users of said hardware component should take precaution while using it or even avoid using it altogether.

Always look the hardware compoment's page for more info about it.

  • Intel FDIV Bug

Some revisions/steppings of this processor suffers from the infamous Intel FDIV bug, a hardware bug affecting the FPU of the early Intel Pentium processors. Because of the bug, the processor would return incorrect binary floating point results when dividing certain pairs of high-precision numbers.

Last updated 2025-09-02T13:09:07Z

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