Vintage IBM 74X1156 GRAD COB Board 4341 Mainframe Gold Ceramic Untested
This is all assumed, but believed to be:
- pulled from IBM 4341 era hardware (~1981)
- features gold-capped IBM ceramic chip 74X1156 IBM 34
- we dont have the specific history of this, has come from a deceased estate
sold as-is, untested, for collectors, display, or parts only