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What are the grades of these boards? The two small ones are DLP chips.

Thank you.

First set all peripheral

Followed by a gold pin connector

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I was wondering why the board with the SHARP chip on it doesn't get higher than peripheral. I would think that it might get low telco.

It’s close. But I’m not an employee so I always error down. Peripheral is the class I would personally put it in.
Boards are physically looked at when they come in so if it deserves an upgrade it will get it. But it’s always better m, from my standpoint here, four you to upgraded over downgraded.

Here it’s the quality of the ICs and board vs overall board weight. There’s a lot of plastic packages which means smaller thinner connecting wires and bonding. Lower end silver solder balls. Etc.

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OK. Thanks for letting me know.