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crazybubba64
Joined: 03 Jul 2018
Posts: 1371
Location: WI, USA
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 Posted: Sun Dec 24, 2023 12:27 pm Post subject: Interesting i7-940 ES |
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Just wanted to share an interesting find of mine. Figured it was deserving of a separate post since this is somewhat unusual.
I got a blank LGA1366 chip from a small electronics recycler a few months back and finally got around to testing it.
It originally had "2.93" sharpie'd on it.
I can't quite tell if the chip was lasered and later ground off, or if it was simply unmarked from the factory.
Anyways, it ended up being a functional chip!
CPU-Z Validation: https://valid.x86.fr/0hmfdj
CPUID dump: https://www.cpu-world.com/cgi-bin/CPUID.pl?CPUID=81315
This appears to be an engineering sample (and a rather late one at that) for a D0 stepping revision of the i7-940!
This part never got a retail s-spec for the D0 stepping, and there aren't any documented D0 stepping i7-940 ES QDF specs on this site.
I decoded the data matric on the PCB to N3840050J0192
HWInfo64 incorrectly assumes the QDF to Q1HP.
Any ideas what this part could be?
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ApostolCV
Joined: 26 May 2020
Posts: 207
Location: Ukraine
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| Posted: Mon Dec 25, 2023 1:01 pm Post subject: |
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| Some OEM non-production part? |
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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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| Posted: Mon Dec 25, 2023 1:40 pm Post subject: |
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It looks like it was sanded down, with all the scratch marks going in the same direction. Probably for better contact with a cooler.
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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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svmlegacy
Joined: 15 Jun 2016
Posts: 551
Location: Canada
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| Posted: Mon Dec 25, 2023 7:15 pm Post subject: |
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| Most of my pictures for LGA1366 have the same pattern. I believe this is unmarked. |
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