View allAll Photos Tagged retrocomputing
The Nixdorf 820 family had a unique core memory, which acted as ROM and was quite simple to produce. The picture shows a device for threading those memorys. Only the lit green cores needs to get wired. The system was controlled by a punch tape. There is only a German entry in Wikipedia to the system: de.wikipedia.org/wiki/Nixdorf_System_820
16bit personal computer, based on a K1810WM86 CPU, which was the Russian clone of an Intel 8086: de.wikipedia.org/wiki/A_7100 (German only).
Reading a collection of ROMs for the 6800 based Altair 8800 computer with my PROMdate tool. trmm.net/PROMdate
My home made Covox Speech Thing Digital-to-Analog LPT (parallel port) stereo sound card. Fairly easy to build. The sound is not perfect but it plays stereo, 44kHz!
My home made Covox Speech Thing Digital-to-Analog LPT (parallel port) stereo sound card. Fairly easy to build. The sound is not perfect but it plays stereo, 44kHz!