Carousel memory

A counterweight sits at the free end of the tape, and facilitates the roll in moving out and down into a mechanism with a read-and-write head.

The average seek time is 2 seconds[3]: 11  and the storage space is 2560 kilobytes.

[1] The magnetic tape is a 5/8-inch (1.6 cm) wide and 0.05 mm thick Mylar 3M Co type 188.

[3]: 11 The storage density is specified to 8 bits/mm,[3]: 4  and the access head is capable of simultaneous read/write operations.

[3]: 3  The power requirement is three-phase 380 volts 50 Hz with 300 W when in standby and 750 W when active.