Giddings & Lewis Circuit Board 503-25209-01 486 8000H

Giddings & Lewis Servo Control 486 8000H circuit board, part number 503-25209-01, serial number E23164, date code 439904. Board designation on silkscreen reads: GIDDINGS & LEWIS SERVO CNTRL 486, REV R5, 10/95. This is a large-format multi-layer PCB designed for use in Giddings & Lewis 8000H CNC control systems, providing servo axis control functions within the 486-based CNC architecture. The board features multiple gold-edge connectors along the left and right edges for backplane or rack integration, and is populated with a dense array of through-hole and surface-mount logic ICs, passive components, crystal oscillators, a heatsink assembly, and socketed memory devices visible on the component side. A large CHMOS processor IC and additional sub-boards are visible, consistent with the multi-axis servo coordination function indicated by the part designation. Item is stored in original OEM anti-static shielding bag with ESD warning label, nested in convoluted foam packaging inside a corrugated shipping box. Manufactured in the United States by Giddings & Lewis, a historically significant US manufacturer of machine tools and CNC control systems. Compatible with G&L NumeriPath 8000H CNC machine tool platforms. Quantity: 1.

Stock # 0226-288