SBC 6502
6502
6809
Z80
Other
After the huge success of the Junior Computer, Elektuur continued to publish about build-yourself computers.
Based on the Elektuur eurocard format and bus, many cpu cards (6502, Z80, 6809, 65816) and peripheral cards such as videodisplay, RAM, clock were developed
Publication iss made in the magazine and in the 5 part Elektuur Computing specials. On the left you see the front of the first Special Computer issue.
The first Computing special described a 6502 based computer called the Octopus 65. The CPU card was new, the other cards were recycled from previously magazine articles. The Octopus was developed for the Ohio Scientific OS65D operating system, as already published for the Junior.
Many members of The KIM Gebruikers Club in those days were using Junior and this new Octopus machine got ofcourse their attention. As a reaction on the primitive software such as OS65D a new operating system was developed by club members: DOS65. The boot monitor was developed by Havisoft (Adri Hankel and Erwin Visschedijk), the operating system by Ad Brouwer. Documentation is written by Erwin Visschedijk, Nico de Vries en Wim Schimmel. A new floppy controller based on the wellknown and flexible WD1793 FDC was designed and distributed with a new boot EPROM and an updated character ROM for the video display. The operating system came with editors, assembler, C and Pascal compilers etc. The DOS65 system has been an international success, active members were found all over Europe.
The machine I have is from such an active member: Andrew Gregory from the UK. He donated me his much expanded DOS65 machine with for example a PS/2 keyboard and a RAMdisk.
Here some pictures, though much more has to be photographed, scanned and documented! There is much to tell and document on this excellent system!
If you have any information on Elektuur computers please help me!
