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RandomNumberGen
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 Posted: Wed Apr 24, 2013 11:20 am Post subject: Intel 80386 |
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Hi,
I have a chip, which is 80386DX-16 with lot number L8460144. However there is no information on the chip about the Sspec and I was curious which one of the two possible is that. Is it SX098 or SX213 ? On the back the numbers are 8835547MAA Malay O 844. I would like to know the date of production if that could also be extracted from those numbers. Any idea?
Regards,
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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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| Posted: Wed Apr 24, 2013 11:22 am Post subject: |
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The date of production will be week 46 1988.
Not all 386 had an sSpec number. If there isn't one on the top of the chip then it doesn't have one 
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RandomNumberGen
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| Posted: Wed Apr 24, 2013 11:31 am Post subject: |
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| Thanks for the fast reply. How come 35547 translated in a week 46? |
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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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| Posted: Wed Apr 24, 2013 11:38 am Post subject: |
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L8460144 translates to week 46 1988
8835547MAA translates to week 35 1988
The number on the die cap is the date of die production, the number on the top is the date the CPU was assembled (I think I remember that the right way round)
The L and 8 at the start of the two codes is the manufacturing plant code.
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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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Guest
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| Posted: Wed Apr 24, 2013 1:17 pm Post subject: |
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Interesting information. Thank you very much, debs3759. It seems that nearly all processors I have (quite many) are assembled in plant L. I wonder which one is that. More I learn more I want to know. I appreciate the answers so far, though  . |
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RandomNumberGen
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| Posted: Wed Apr 24, 2013 1:17 pm Post subject: |
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| Interesting information. Thank you very much, debs3759. It seems that nearly all processors I have (quite many) are assembled in plant L. I wonder which one is that. More I learn more I want to know. I appreciate the answers so far, though . |
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smithy
Joined: 27 Apr 2008
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Location: Sydney, Australia
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RandomNumberGen
Joined: 24 Apr 2013
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| Posted: Thu Apr 25, 2013 1:26 am Post subject: |
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| Thank you smithy! I was suspecting Malay, but exactly - only suspecting. Why that information is not publicly available, I mean if you ask Intel about where some vintage chips are produced... why they need to code that and keep it so secret in 21 century. So what we know is based only on speculations and CPUshack's annotation work. Strange indeed. |
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