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PostPosted: Thu Nov 13, 2025 9:03 am 

Joined: Thu Nov 13, 2025 8:44 am
Posts: 3
Not sure what catagory to put these two cpu types in. One in the intel pentium overdrive dx20dpr66 cpu. It is ceramic with gold pins and gold cap and looks to be same as a 386/486 cpu Except the gold cap is much larger than 486.
I also have AMD Am5 x86-p75. It is also a ceramic cpu with gold pins and gold cap like a 386/486 cpu


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PostPosted: Thu Nov 13, 2025 2:53 pm 

Joined: Sat Nov 29, 2014 9:44 pm
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Location: I'm right here :D
This probably falls under lsi/nec/foreign ceramic gold cap; based on Lostinlodos' guide

However... That guide is pre-moto/foreign gold cap split... These two CPUs are specifically singled out as not falling under 386/486 though so that's why I went with the lower priced category

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PostPosted: Mon Nov 17, 2025 9:23 am 

Joined: Thu Nov 13, 2025 8:44 am
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Thanks for the info. You said in your reply that they would be "foreign ceramic gold cap". You also linked to the "Lostinlodos' guide". By looking at the guide you provided it shows the "AM586" that i have pictured under the "386/486" class?
You said "These two CPUs are specifically singled out as not falling under 386/486", where do you find that info? I did quite a bit of research before posting to ask and i cant find anything like that.
When i look up the DX20DPR66 cpu intel shows "it is a CPU from the Intel 486DX2 family. It is based on the Intel 486 DX2 microprocessor technology and functions as an upgrade for a compatible socketed processor".
It plugs into a 486 socket just has a Bigger gold cap.


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PostPosted: Mon Nov 17, 2025 11:35 am 

Joined: Sat Nov 29, 2014 9:44 pm
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Location: I'm right here :D
Under foreign/moto:

Other 486 era gold caps specifically for this class, and do not go as 486
St 486
Green chip
Winchip5
UFC 486/487
SGS-T 486/487/80c486
IBM nickel top gold cap bottom 486/i960
Am47 silver pin gold cap
Am586/am5x86
Pentium overdrive single gold cap (remove fan)



Again, it's a little dated, reach out to Boardsort to be sure.

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PostPosted: Wed Nov 19, 2025 11:01 am 

Joined: Thu Nov 13, 2025 8:44 am
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Thanks for the info. So it appears they have it listed under both lists then?
I posted on here because i could not find a Contact Us link or a link to contact boardsort. I have never sold to them before and I didn't want to get all my 386/486 downgraded to mixed or something.
I live 35 minute drive away so maybe I should drop it off myself if they do that since I also have about 40lbs of gold finger ram to sell.


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PostPosted: Wed Nov 19, 2025 12:05 pm 

Joined: Sat Nov 29, 2014 9:44 pm
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Location: I'm right here :D
Contact info for Chris is on the homepage.

If you're that close I'd definitely try to get over there. I've never been, Texas is a bit far to drive; so I don't know if there's anything special you need to do before showing up, so you may want to call ahead anyway.

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