Thirty Six core planes were stacked one above the otherand connected such that the 128 "X" and 128 "Y" wires
threaded every plane.
It was called a "BOM" (Basic Operational Memory unit).
| Mus.Cat. NEWUC:2003.10 | Mnfctr: IBM | Date: 3.12.1968 | Form. No: Z22-6608-2 | Pages: 69 |
| Comp: Manual | Height: 279 mm | Width: 216 mm | Thickness: 10 mm | Weight: 796 g |
Thirty Six core planes were stacked one above the other
and connected such that the 128 "X" and 128 "Y" wires
threaded every plane.
It was called a "BOM" (Basic Operational Memory unit).