Artifact Details


Elektronika 100-25 minicomputer and disk controller

Catalog Number



Physical object


1980 ca.


Electronic Computer and Control Machines Plant (VUM), Kiev

Place Manufactured


Identifying Numbers

Other number 376.92.33 Hand written on label on left front rack - accession number.
Other number CM 1630 Label on unit in left column
Other number K 7067 On units in left and center column


overall: 71 1/4 in x 64 in x 32 3/4 in


Object is a 16 bit minicomputer and disk drives in a triple rack cabinet. Computer in the middle of the right rack is an Elektronika 100-25. There is a disk controller in the left rack and a number of IBM 5440 equivalent cartridge disk drives below. These cartridge disk drives were made by company ISOT in Bulgaria. The CPU is a replica of a Unibus PDP11, made in the USSR. The upper device in the middle rack is a service unit for the disk drives. Below there are two SM5400 disk drives, made by company ISOT in Bulgaria: each contains a removable disk (and optional a hard disk on the same axle), each with 4,5 MByte capacity. The upper device in the right rack is a tape drive SM5300.01, made by company ISOT in Bulgaria. It handles 1/2" magnetic tapes with 800 bpi at 9 tracks, around 11 MByte per tape.

The two lower units (K7076) in the left and middle rack are graphic controllers, made by company Robotron in the GDR.


Digital computer/minicomputer

Collection Title

SAP Collection


SAP Collection, Computer History Museum

Lot Number