AMD Athlon Orion core

AMD Athlon processors with Orion core can be identified by:

  • Part number: part number starts with "AMD-K7" and ends with "3B A".
    An example: AMD-K7900MNR53B A.
  • CPU ID: Processors with the Orion core have CPU identification numbers 621 and 622.

Athlon Orion core features
IntroductionMarch 6, 2000
Previous core generationPluto
Next core generationThunderbird

Microprocessor familiesAthlon (Slot A)
Manufacturing technology0.18 micron
Frequency900 MHz - 1000 MHz
Fastest processorAMD-K7100MNR53B A
Front-side bus frequency200 MHz (100 MHz DDR)
L2 cache sizeBackside 512 KB running at 1/3 of processor speed
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(c) Copyright 2003 Gennadiy Shvets