First let me say I didn't disassemble this stuff so that's partly to blame why I'm unsure what's what. I won a storage auction full of this stuff and I've learned a lot from your website but I'm still unsure where these fall:

1. Gold finger card
2. Low grade
3. Backplane
4. Not sure, my best guess is backplane

Backplane seems like a stretch on 4. Can you take a pic of the other side?

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Here to learn more so I can recycle more
My grades are my own opinion and not an official grade from Boardsort

Sure. Here is a photo of the other side. And about the green board from the first photo, you said we're gold fingers- I asked because it had dbl rows of the gold fingers so I thought those we r e slot processors?

4) Big difference being able to see the populated side! High telco.
See if you can remove the standoff without damaging the board if you have doubts on getting it off, don't, it should be okay to stay.

Question abouts slot processors: they almost always look like the picture in the payout page. Some may have a ceramic chip instead of the fiber. If it doesn't look like the picture it's probably something else.

_________________
Here to learn more so I can recycle more
My grades are my own opinion and not an official grade from Boardsort