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The Wren was one of the last "laptop" CP/M computer. It can be described as a combined personal computer and Teletext terminal. It weights more than 12 Kg !

This Computer was assembled at the Thorn EMI factory in Treorchy South Wales. Only about 1000 were made before Wren went bust and many companys were left holding the parts for the other 9000 units that were part of the first production run.

It was very advanced for its day and the software package was very good quality and comprehensive for that era.

Although the Wren computer was manufactured at Thorn EMI in Feltham, they were a subcontractor to Wren Computers Ltd. Wren was a joint venture company between Transam Microsystems ( and Prism (who distributed computers for Sinclair). Transam have recently been aquired by Eurodata Systems.

The Wren was sold with several good softs : Perfect Calc, Perfect Writer, Perfect Filer, Executive Desktop (agenda, phone directory, note-pad, etc.), the popular BBC Basic (the same as the Acorn BBC or the Electron) and a communication application. Indeed the Wren has a built-in modem and is Prestel (english videotex) compatible. But it can also be used to automaticaly dial phone numbers stored in a directory.

The whole system looks quite strong and robust. When transported, the whole monitor and drive assembly slides over the keyboard. The 7" built-in screen is monochrome but it is also possible to connect the WREN to an external RGB monitor. The two disk-drives (40 tracks) can stored 190k each. Weird fact : the drives LEDs light up when one of the floppies is selected but don't light off when this drive stop to work...

Quality control was a major issue which certainly delayed production and caused a few financial problems for Wren. It might just have been too far advanced a concept for the time....

TYPE  Transportable
ORIGIN  United Kingdom
YEAR  1984
KEYBOARD  Full-stroke keyboard with 5 function keys and arrow keys, 67 keys
CPU  Zilog Z80 A
RAM  64 kb (up to 256 kb)
VRAM  32 kb
ROM  8 kb
TEXT MODES  80 x 25 / 40 x 25
GRAPHIC MODES  512 x 256
COLORS  monochrome built-in display
SIZE / WEIGHT  235 x 420 x 470 mm / 12 kg
I/O PORTS  Centronics, RS232c, Winchester Hard Disk, Paddle (2), Modem socket, RGB video output
BUILT IN MEDIA  Two 5.25'' built-in disk-drives (190k each)
PRICE  £1,000 (UK, april 84)
2881 (France, october 84)

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