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brianspencer

Post subject: Help with grading boards

Posted: Sun Jan 03, 2021 11:40 pm

Joined: Sun Jan 03, 2021 10:48 pm
Posts: 2

Doing my best to learn what's what with boards. Until now I stashed them all in the same tub. Any help would be greatly appreciated!

Large socket motherboard?

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High-grade telco?

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Ram, ribbon wire (I will cut off the gold connectors), not sure about the rest.

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Another angle:

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Thanks!

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ccussins

Post subject: Re: Help with grading boards

Posted: Mon Jan 04, 2021 1:47 am

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

Here's my guess:

First Picture: Both Peripheral

Second Picture: All Peripheral

Third Picture: The ribbon wire will go as Mixed Wire and the connectors can be cut off and will go as Connector Ends. The cable on top of the ribbon wire will go as Mixed Wire, too, but the connectors won't get the Connector Ends grade. You can just leave them on. That is because they do not have gold plated pins inside. Only connectors that have gold plated pins or contacts inside get the Connector Ends grade. For the rest of the boards, see the attached picture.
I have drawn a letter on each board that represents a grade.

P: Peripheral
B: Backplane
G: Gold Fingered Ram

Note: These are just guesses. Lostinlodos is the moderator and will correct my grading.

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brianspencer

Post subject: Re: Help with grading boards

Posted: Mon Jan 04, 2021 2:05 am

Joined: Sun Jan 03, 2021 10:48 pm
Posts: 2

Thanks!!
Do you know the difference between peripheral and high-grade telcom for future reference?

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ccussins

Post subject: Re: Help with grading boards

Posted: Mon Jan 04, 2021 11:37 am

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

There is a huge difference between Peripheral and High Grade Telecom. To get High Grade Telecom, the board has to (usually) have chips over most of the surface area and not much else. Peripheral is very hard for me to explain since there is so many types. My best advice is to read other topics until you get a general idea of how boards are graded. Any boards that you're still not sure on, just post in the forum. But I'm not an expert so if you want an in depth explanation, Lostinlodos would be the one to give it.

Below are some examples of High Grade Telecom.

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