Need processor chip

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Sorry for the cross posting with the BUM group but I need wide exposure for
this problem.

We recently brought a JEOL GSX-270 to field with the help of Ben Hamilton
of Magnet Resonance Services Inc.. While we have been able to obtain a
proton water signal it appears that our SCON shim control module is dead.
Our electronics people here have been able to track the problem down to a
microprocessor in the SCON shim control module. We have tried to obtain
this processor but it appears to have been discontinued and not available
from regular sources.

I am not sure of the manufacture of the chip. The only ID on the processor
is a F with a bar above and below it.
The chip is #MB8870N
This is a 40 pin microprocessor

If anyone knows a source for old tech stuff or has an old JEOL GSX-270 SCON
shim control module around or just the chip from another source lets make a
deal.

Thanks in advance and see you at the ENC,

Chuck

Charles L. Anderson, Ph.D.
Manager NMR Facilities
Department of Chemistry
University of Houston
Houston, TX 77204-5641
Office: (713)-743-2728
Fax: (713)-743-2709
Web: http://nmr-central.chem.uh.edu/

"Anything one man can imagine
 others can make true"
                Jules Verne

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