Rudolf; the Tandberg Data TDV-2114 computer

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• published: 02 Dec 2010
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This is Rudolf, the TDV-2114 computer of Bergen cathedral school. The TDV-2114 was an intelligent-terminal (read: Microcomputer which could emulate a terminal) made by Tandberg Data in the late 70's. This unit is from somewhere between 1977 and 1979, and it's the first computer the school bought. It was mainly used by the science teachers and students, and remained in use until the late 80's. After that, it was placed in one of the attics, and generally forgotten about. After I found it some weeks ago, I mannaged to get permission to fix it, and the general idea now is to somehow get it on display somewhere. Fixing the machine wasn't hard at all. There were a wire which needed resoldering, and the CPU needed reseating. Both the disk drives works, even though the internal drive's drive-belt is quite noisy. As I got it to work, I decided to make a real demonstration of it. As I stated in the description of the previous video, it uses an Intel 8080 CPU with 64KB of RAM. As you can see, it has two 8" floppy disk drives (one internal, one external), which takes Single-Sided Single-Density soft-sectored disks. Operating Systems included are BASIC, CP/M (several variations), and TOS (Tandberg OS). Of software, there is Wordstar for CP/M and a TOS disk full of simple games.