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gumby2003
PostPosted: Thu Jul 09, 2020 4:36 pm 

Joined: Tue Aug 08, 2017 3:28 pm
Posts: 47
Hi,
I found 15 of these at an IBM Mfg plant scrap auction.
23" x 19" x 1/4" thick
13.14 lbs each
Tested with 10 and 14k acids
Both etched green - 14 really fast - 10 a lot slower
Does BS take these and how are they classed?
Thanks!


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Spence1015
PostPosted: Thu Jul 09, 2020 5:56 pm 

Joined: Fri Dec 20, 2019 3:16 am
Posts: 177
Location: Ohio
I would message Chris directly on these and see what the quote is; kind of out of class item.

They seem like they're blanks or throw aways.

My assumption with just the size of the board and no population , mid grade - *peripheral if there's enough gold pins buts that's discretion
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lostinlodos
PostPosted: Thu Jul 09, 2020 6:07 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 9761
Location: Low DOS
These would be peripheral if pins are intact in the ports. Midgrade if not.
They’re incomplete processor controller boards for minicomputers and/or large servers/cloud servers.
Looks like the PR6 or PR7 architecture main boards.

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gumby2003
PostPosted: Fri Jul 10, 2020 7:38 am 

Joined: Tue Aug 08, 2017 3:28 pm
Posts: 47
Thanks!!
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lostinlodos
PostPosted: Fri Jul 10, 2020 1:51 pm 
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Location: Low DOS
Lol. I see the problem too.
Bottom left side last photo.
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The pad mask for bus ports. Big lines through them.
Oops!

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