Mystery blank 486(?)
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Cpuswe



Joined: 15 Mar 2005
Posts: 2214
Location: Karlskrona, Sweden

PostPosted: Wed May 21, 2014 2:32 am    Post subject: Reply with quote

Tried the lenses i have to my camera, but it was not enough so i bought one of those USB-microscopes to start with.

I can see there is text on the die.

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Cpuswe



Joined: 15 Mar 2005
Posts: 2214
Location: Karlskrona, Sweden

PostPosted: Sat Jun 14, 2014 5:46 pm    Post subject: Reply with quote

Got my toy-usb-microscope. This is the best i can get it.

Anyone in for a guess?

Text reads "4MRC00AB" or "4MRCOOAB"

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aberco



Joined: 05 Sep 2013
Posts: 2655
Location: Paris France

PostPosted: Sat Jun 14, 2014 6:02 pm    Post subject: Reply with quote

I know what it is
A4MRC00
Part of Intel Paragon supercomputer

http://www.computerhistory.org/collections/catalog/102678004

It could be part of the Mesh interconnect

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Cpuswe



Joined: 15 Mar 2005
Posts: 2214
Location: Karlskrona, Sweden

PostPosted: Sun Jun 15, 2014 4:26 am    Post subject: Reply with quote

Mystery solved!!! That explains the pinout also then.

Aberco you are the hero of the day!

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