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Once again, I'm new to the forum and looking for help with these boards. I'm pretty sure the 4 on the right would be Lo periph. But I'm not sure if the one on the right would be Hi/Lo Telecom or maybe High Periph? The board on the left is out of an audio DSP.

First of all i not an expert by any means but i think the large board would make low tell.
The small boards are too hard to see even when expanded.
1 and 2 mid-grade
3 high peripheral
the last one needs a better pic.
Once i got the hang of editing pics things got way better for the smart guys to help me.

Here are better pics of the last board and the larger board.

Can't see the small boards well. Based on the logo I expect that the connectors are gold. If so and there are even a chip or two or a few MLCCs then low peripheral. Looks like the more oval board and the arrowhead looking boards may clear this hurdle. Can't tell on the other.
The largest board is most likely high telco, I normally would want to see several good chips, but the board is covered tantalums/MLCCs and a several decent chips with no heavy junk.
Based on the low telco info video by Chris and some posts that he has chimed in on, I only put low telco on boards that would otherwise be high telco, but have a junk problem. Sometimes they can be cleaned, sometimes not.