Artifact Details

Title

ES Computer (Ryad) logic module

Catalog Number

X1084.91

Type

Physical object

Description

Discrete transistors with bundled-wire and surface-solder connections.

The ES series of computers (aka Ryad) was a series of IBM 360/370 clones designed and manufactured in Minsk, USSR, between 1971-1983.

Object is a circuit board with white plastic cover over component side protecting discrete components.
This part is from a HDD controller, US5568.

Date

1973

Manufacturer

Minsk

Place Manufactured

Union of Soviet Socialist Republics

Identifying Numbers

Model number	Minsk	Not visible on object 11/29/07
Other number	E C 5568 E 003	Outside of metal handle
Other number	WR7102947	Corner of back side
Serial number	N205 1X .83	Lower corner of back side

Dimensions

overall: .5 x 12.25 x 6.25

Credit

Gift of State Academy of Finance

Lot Number