BN624A724G52 MC121A Control Board w/Motorola MC68881RC12A
For sale is a BN624A724G52 MC121A Control Board w/ Motorola MC68881RC12A.
Industrial control CPU/logic board.
Model/Part: MC121A (silk), BN624A724G52. Made in Japan.
Notable features: populated with a ceramic Motorola MC68881RC12A math
coprocessor; two D?sub style front connectors labeled CN521 and CN522;
two large backplane board-to-board connectors on the top edge; gray
rack front panel; various socketed ICs and jumpers; small status LEDs
near the front.
Visible condition: used with cosmetic wear on the front panel and
edges. Back side shows a few blue wire jumpers/mods. No broken
connectors observed.
Included: board only, exactly as shown. No cables, manuals, or other
accessories.
Testing: power-on/functional testing not performed (assumption:
suitable for parts or repair).
Typical use: replacement module for legacy/industrial equipment or for
parts harvesting.