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AMD Athlon processors with Pluto core can be identified by:
- Part number: part number starts with "AMD-K7" and ends with "1B A" or "2B A".
An example: AMD-K7650MTR51B A.
- CPU ID: Processors with the Pluto core have CPU identification numbers 621 and 622.
| Athlon Pluto core features |
| Introduction | November 29, 1999 |
| New features | 0.18 micron manufacturing process Lower power consumption |
| Previous core generation | Argon |
| Next core generation | Orion |
| Microprocessor families | Athlon (Slot A) |
| Manufacturing technology | 0.18 micron |
| Frequency | 550 MHz - 850 MHz |
| Fastest processor | AMD-K7850MPR52B A |
| Front-side bus frequency | 200 MHz (100 MHz DDR) |
| L2 cache size | Backside 512 KB running at 1/2 - 1/2.5 of processor speed |
| Package | Card Module |
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