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Grade of Ceramics CPU's

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KellyGazaway

Post subject: Grade of Ceramics CPU's

Posted: Wed Aug 19, 2020 12:55 pm

Joined: Fri Jan 17, 2020 7:32 pm
Posts: 2

Attachment:

CPU-Front.jpg

Attachment:

CPU-Back.jpg

What grades are these CPU's

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ropeman

Post subject: Re: Grade of Ceramics CPU's

Posted: Wed Aug 19, 2020 6:33 pm

Joined: Tue May 14, 2019 11:09 am
Posts: 776

Let’s start by numbering them 1 through 9 top left through bottom right. 2,4,7,8,9 seem to fall in this category. http://boardsort.com/cpg15x/thumbnails.php?album=34

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ccussins

Post subject: Re: Grade of Ceramics CPU's

Posted: Wed Aug 19, 2020 7:21 pm

Joined: Fri Oct 12, 2018 4:40 pm
Posts: 1122

And it seems like 1 and 5 fall in this category: http://boardsort.com/cpg15x/thumbnails.php?album=29

I'm not sure what 6 would be classified as. Lostinlodos will know.

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ropeman

Post subject: Re: Grade of Ceramics CPU's

Posted: Wed Aug 19, 2020 11:40 pm

Joined: Tue May 14, 2019 11:09 am
Posts: 776

#3 is an oddball. Seems like 486 style but it has the green fiber on the bottom.
Also, I've never seen anything like #6 and don't see a picture in the gallery here to match it up with.

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ccussins

Post subject: Re: Grade of Ceramics CPU's

Posted: Thu Aug 20, 2020 10:01 am

Joined: Fri Oct 12, 2018 4:40 pm
Posts: 1122

Yeah, 3 is strange. So that makes me wonder it will get the 486 grade. Lostinlodos will confirm it.

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Spence1015

Post subject: Re: Grade of Ceramics CPU's

Posted: Fri Aug 21, 2020 1:09 am

Joined: Fri Dec 20, 2019 3:16 am
Posts: 506
Location: Ohio

Row 1
#1, Pent/Mac ceramic/AMD ceramic
#2, lsi/nec foreign gold cap
(Confident it's LSI grade but may need top n bot gold cap. If it doesn't make it, cyrix/ibm/via gold cap then)

#3, 386/486
(The green fibre is the adapter/housing port)

Row 2
#4, cyrix/ibm/via gold cap
(If B.S. updated might make 386/486)

#5, Pent/Mac ceramic
#6, cyrix/ibm/via gold cap
(Top/bottom gold cap would give it double side grade) old DEC CPU)

Row 3
#7, 386/486
#8, 386/486
#9 , Motorola gold cap(depending who's grading can also go as 8086)

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KellyGazaway

Post subject: Re: Grade of Ceramics CPU's

Posted: Fri Aug 21, 2020 10:03 am

Joined: Fri Jan 17, 2020 7:32 pm
Posts: 2

I think I have it now. Thanks for all the input!

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lostinlodos

Post subject: Re: Grade of Ceramics CPU's

Posted: Mon Aug 24, 2020 12:21 am

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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 10399
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I’ll be back to verify tomorrow

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lostinlodos

Post subject: Re: Grade of Ceramics CPU's

Posted: Mon Aug 24, 2020 2:39 am

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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 10399
Location: Low DOS

So we first number chips

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lostinlodos

Post subject: Re: Grade of Ceramics CPU's

Posted: Mon Aug 24, 2020 2:47 am

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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 10399
Location: Low DOS

1 pentium Mac ceramic
2 LSI gold cap
3 ibm via gold cap
4 Motorola foreign gold cap
5 class is missing. Quote as pentium pro
6 ibm via gold cap
7 486
8 486
9 486

Ceramic gold cap i860 and i960 chips go as 486

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