schematic for a multi-chip module II, aka schematic for a multi-chip module II
A printout of a schematic detailing how to hand-build a complex multi-chip processor module for use in compatible computer systems.
It tells you how to make a multi-chip module II with the following components:
Making this would take expertise in craft and expertise in hack.
In the upper right corner is a note: 'First discovered by Dr. Nous.'
It weighs almost nothing. It is a schematics for a multi-chip module I. You think it might fetch about $2 on the market.