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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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 Posted: Sat Jan 21, 2006 8:31 pm Post subject: K6-2 markings |
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What do the codes after the date code on a K6-2 mean?
For example, I have 4 K6-2/400 CPUs, and the codes after the date code are:
1) MPMW (on a K6-2/400AFQ)
2) GPIW (on a K6-2/400AFR)
3) GPCW (on an AFR)
4) BPMW (on an AFR)
Do these relate to steppings or anything that indicates a variant?
All have "A" at the start of the date code line.
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Debs |
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gshv
Joined: 01 Feb 2003
Posts: 7898
Location: Fairfax, VA USA
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| Posted: Sat Jan 21, 2006 10:29 pm Post subject: Re: K6-2 markings |
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| debs3759 wrote: | What do the codes after the date code on a K6-2 mean?
For example, I have 4 K6-2/400 CPUs, and the codes after the date code are:
1) MPMW (on a K6-2/400AFQ)
2) GPIW (on a K6-2/400AFR)
3) GPCW (on an AFR)
4) BPMW (on an AFR)
Do these relate to steppings or anything that indicates a variant?
All have "A" at the start of the date code line. |
A is a stepping. As for the last four characters... I've heard that it's a production code that can used to identify day of week when the chip was produced, and maybe other production information.
Gennadiy |
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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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| Posted: Sun Jan 22, 2006 9:16 am Post subject: |
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I thought that as well (and the docs say it...), but of the 3 K6-2/300AFR processors I have, the one with the earliest date code has the higher revision code.
E 9829....
A 9837....
A 9846....
Maybe it's the engravers equivalent of a misprint  Would be nice (for rarity value), but I highly doubt it
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My graphics card database can be found at http://www.gpuzoo.com.
I can resist anything except temptation.
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