Three original DEC / Digital Equipment M8235 USC Micro Sequencer Control modules, most likely from a VAX-11/780-class system. These boards are part of the KA780 CPU assembly, responsible for managing microinstruction sequencing and control flow within the processor. Marked M8235; sold as-is, untested, ideal for VAX restoration, repair, or collector display.

Each large 12"x16" circuit board exemplifies Digital Equipment Corporation’s precision engineering during the VAX era. Beyond their historical and technical value, they also make stunning industrial décor or art pieces, featuring intricate 1970s-era circuitry and distinctive DEC design. Boards will be securely shipped to ensure safe delivery.