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The stock heatsink for the Celeron 1.7G with some strategically placed dust.

microprocessore al microscopio biologico

Back side, labeling

 

Full description and reverse-engineering analysis here: www.eevblog.com/forum/projects/avionics-teardown-looking-...

CPU and oscillator

 

Full description and reverse-engineering analysis here: www.eevblog.com/forum/projects/avionics-teardown-looking-...

The unit contains 2 PCBs. This one contains the microprocessor (an 80C49, the internal ROM is not used), EPROM (32K) RAM (8K), a CCITT 300 baud modem and a DAC used to send a digitised speech message

CPU water cooler mount rusted

Discontinued. a.k.a. Family Thrift Center CPU. Pennington County. Photo by E Kalish, Oct. 2012.

Part of the Post Mark Collectors Club (PMCC) collection.

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