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PostPosted: Mon Jan 11, 2021 10:18 pm 

Joined: Mon Jan 11, 2021 8:44 pm
Posts: 1
Attachment:
Cyrix 1.JPG
Attachment:
Cyrix 2.JPG
Attachment:
mystery CPU 1.JPG
Attachment:
Mystery CPU 2.JPG


Looking to sell these CPU's to boardsort for my first time! I have already identified dozens of other Pentium CPU's as well as quite a few i486 gold cap CPU's. I have researched and tried to figure out what grade/type these CPU's (listed below) are but I have no idea.

Need some help grading these CPU's. I am not sure what brand or grade the non cyrix cpu's are. I believe that both types are 486 grade gold cap but not fully sure, so I decided to post and get some help/feedback.

Any help or feedback is appreciated. Thanks!

-Noah


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PostPosted: Tue Jan 12, 2021 4:39 am 

Joined: Fri Oct 12, 2018 4:40 pm
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I'm pretty sure that you have to remove the green heatsinks. If there are a gold caps underneath then they will probably go as 386/486.

The AMD ones should go as 386/486.

Wait for Lostinlodos (the moderator) to reply.


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PostPosted: Tue Jan 12, 2021 6:56 pm 
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correct. including the K5/ 5x86. like first run original pentium those 80586 era ceramic chips with gold caps go as 486 as well.

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PostPosted: Tue Apr 07, 2026 6:25 pm 
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Hello, I've got a quick question. The first and second images of the opening post, specifically the "Cyrix Cx486 DX2-66" (center one), this cpu doesn't have a gold cap on the bottom or under the heat sink, so which category does it fall into? Thanks c(_)


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PostPosted: Tue Apr 07, 2026 6:37 pm 
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those Cyrix cpus are worth far more if it works as is then as scrap the amd 133 too.


Last edited by austin86 on Wed Apr 08, 2026 10:07 am, edited 1 time in total.

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PostPosted: Tue Apr 07, 2026 9:11 pm 

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Obix, as scrap a cyrix ceramic cpu with gold pins and no gold cap would fall under AMD ceramic no metal

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PostPosted: Wed Apr 08, 2026 11:00 am 
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Thanks for the reply's, appreciated. When you mentioned they are potentially worth far more working I'm assuming you're referring to eBay? I just stumbled onto this possibility on another cpu, I've got a good Pentium Overdrive with cooler, I was shocked at what they're going for on eBay...


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PostPosted: Wed Apr 08, 2026 11:17 am 
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obix wrote:
Thanks for the reply's, appreciated. When you mentioned they are potentially worth far more working I'm assuming you're referring to eBay? I just stumbled onto this possibility on another cpu, I've got a good Pentium Overdrive with cooler, I was shocked at what they're going for on eBay...

ebay, AMIbay, VCFED has a market place too. I would never scrap a working over drive, if its a Pentium 2 over drive those things for for a crap ton, lucky bob on vogons and vcfed will buy those on sight. a lot of older high in CPUs are worth far more as is then as scrap if they work and you can find a buyer.


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PostPosted: Wed Apr 08, 2026 1:03 pm 
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The winChip series does have some gold cap chips as well. So always worth the effort to remove the spreader.
But as Austin86 points out, today, if they work, sell them for what they are. The retro market is booming … and a large number of always-on equipment is starting to fail. ATMs, Train switches, elevators, …

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PostPosted: Wed Apr 08, 2026 1:50 pm 
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lostinlodos wrote:
The winChip series does have some gold cap chips as well. So always worth the effort to remove the spreader.
But as Austin86 points out, today, if they work, sell them for what they are. The retro market is booming … and a large number of always-on equipment is starting to fail. ATMs, Train switches, elevators, …

its far from booming, sure some stuff is worth a ton but its a pain in the ass to find a buyer for a lot of the stuff too who is not going to try and scam you. But if you got a buyer by all means sell sell sell.


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