A CT scanner reveals surprises inside the 386 processor's ceramic package

·Ken Shirriff··

Intel released the 386 processor in 1985, the first 32-bit chip in the x86 line. This chip was packaged in a ceramic square with 132 gold-plated pins protruding from the underside, fitting into a socket on the motherboard. While this package may seem boring, a lot more is going on inside it than you might expect. Lumafield performed a 3-D CT scan of the chip for me, revealing six layers of complex wiring hidden inside the ceramic package. Moreover, the chip has nearly invisible metal wires conne...

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