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gg1978
Joined: 31 Jul 2012
Posts: 1052
Location: Indiana, USA
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 Posted: Mon Aug 06, 2012 7:03 pm Post subject: Intel 386DX Mech Sample |
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Got this in June at a hamfest. So am i correct in assuming it's from Week 3 of 1986??
Are these pretty common chips?? |
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Neon_WA
Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
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| Posted: Mon Aug 06, 2012 7:05 pm Post subject: Re: Intel 386DX Mech Sample |
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| gg1978 wrote: | Got this in June at a hamfest. So am i correct in assuming it's from Week 3 of 1986??
Are these pretty common chips?? |
Yes you are right with the date
earliest production 386 I have seen is week 16 1986
common.. nup.. not sure I have seen a similar marked one.. nice find mate 
what are the die markings on the bottom?
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smithy
Joined: 27 Apr 2008
Posts: 2906
Location: Sydney, Australia
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| Posted: Mon Aug 06, 2012 7:11 pm Post subject: |
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Nice find...if you want to sell, let me know
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gg1978
Joined: 31 Jul 2012
Posts: 1052
Location: Indiana, USA
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| Posted: Mon Aug 06, 2012 7:22 pm Post subject: Re: Intel 386DX Mech Sample |
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| Neon_WA wrote: | | gg1978 wrote: | Got this in June at a hamfest. So am i correct in assuming it's from Week 3 of 1986??
Are these pretty common chips?? |
Yes you are right with the date
earliest production 386 I have seen is week 16 1986
common.. nup.. not sure I have seen a similar marked one.. nice find mate
what are the die markings on the bottom? |
Only thing on the bottom of it is two capital "E"s right next to each other..
I was wondering if something like this is just an empty package with the lid on, or is there a die in there, and it failed testing, so they just stamped it as ES, Mech and went with that.. |
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Neon_WA
Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
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| Posted: Mon Aug 06, 2012 7:28 pm Post subject: Re: Intel 386DX Mech Sample |
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| gg1978 wrote: | | I was wondering if something like this is just an empty package with the lid on, or is there a die in there, and it failed testing, so they just stamped it as ES, Mech and went with that.. |
The Mech marking is post production.. so with what markings are on the top I would suggest that a die was included but failed testing
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gg1978
Joined: 31 Jul 2012
Posts: 1052
Location: Indiana, USA
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| Posted: Mon Aug 06, 2012 7:45 pm Post subject: |
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| Well here's the bottom side of it, FYI. Pretty boring really |
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gg1978
Joined: 31 Jul 2012
Posts: 1052
Location: Indiana, USA
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| Posted: Mon Aug 06, 2012 7:46 pm Post subject: |
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It's cool there's probably a die in there, even if it might only be good for 8MHz..  |
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Neon_WA
Joined: 08 Nov 2008
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Location: Margaret River, West Australia
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| Posted: Mon Aug 06, 2012 7:58 pm Post subject: |
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the very earliest production was 12MHz
but guessing most boards can only run 16MHz & higher
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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| Posted: Mon Aug 06, 2012 10:52 pm Post subject: |
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| Neon_WA wrote: | the very earliest production was 12MHz
but guessing most boards can only run 16MHz & higher |
nothing a crystal swap wont fix
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