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Athlon Argon core was the first K7 core. This core didn't last long - it was
introduced in June of 1999, and was replaced by Pluto core in November 1999.
AMD Athlon processors with Argon core can be identified by:
- Part number: part number starts with "AMD-K7" and ends with character "C".
An example: AMD-K7550MTR51B C.
- CPU ID: Processors with the Argon core have CPU identification numbers 611 and 612.
| Athlon Argon core features |
| Introduction | June 23, 1999 |
| Other names | Model 1 |
| Next core generation | Pluto |
| Microprocessor families | Athlon (Slot A) |
| Manufacturing technology | 0.25 micron |
| Frequency | 500 MHz - 700 MHz |
| Fastest processor | AMD-K7700MTR51B C |
| Front-side bus | 200 MHz (100 MHz DDR) |
| L2 cache | Backside 512 KB running at 1/2 of processor speed |
| Package | Card Module |
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