Mullard 48k Core Store Plane Unit

AMPEX and CTS Fabri-Tek 64k Core Store Plane Units

Plessey Core Store Plane Unit

Philips Core Store Plane Unit

IBM Core Store Plane Unit  c1965

This is one section of a Core Store Plane Unit from an IBM System 360 Model 20 machine.

The capacity is 8192 Main + 512 Registers, total of 8704 bits.

There are 4K with 9 planes and 8K with 18 planes assemblies.

The maximum capacity for a system is 32K.

Other Core Store Plane Units