AMD Thunderbird serial number?
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Dear CPU Scorekeeper

I was wondering if I can look for information on the AMD Thunderbird CPU serial number?

I just bought a T-bird 800 (Socket A). I checked the CPU before mounting the CPU fan. It was produced in 1999. Didn't the T-bird come out this year?

- - Tony, October 2000

See the questionCPU Scorekeeper Responds

AMD's Thunderbird did indeed only officially appear in June of this year. However, the chip or its Socket-A packaging may have actually been produced in late 1999.

Athlon chip markings consist of both a part number and a serial number directly beneath it. Here is an example from a Slot-A Athlon:

 Athlon serial number (courtesy Athlon.OC)

The year in which the processor was produced is indicated by the third and fourth digits in the serial number ('00' in the example, representing 2000). The week in the year it was produced is shown by the next two digits (here '13', the last week of March).

To decipher the part number and make sure you actually got the chip you paid for, see the following examples from AMD's technical documents.

For Socket-A Thunderbirds:

athlon_part.gif (8980 bytes)

And for Slot-A Athlons:

athlon_part.gif (9705 bytes)

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