ET-3400 Heathkit Microcomputer Trainer - Part 1 скачать в хорошем качестве

ET-3400 Heathkit Microcomputer Trainer - Part 1

In this video we take a look at my ET-3400 imported from the US. We explore some history and background to the machine through various catalogues and we look at its conversion from 110v to 240v and initial power up and test. Mentioned sites and links: The covers of the manuals and background http://www.vintage-computer.com/machi... The box design is in earlier catalogues as a breadboard... https://worldradiohistory.com/Archive... Amazingly on page 7 the Logix kits are in the 1976 Heathkit as NEW... http://heathkitcatalogs.com/index.php... Page 46 breadboard and Page 95 the education kits appear Dave Dunfield has the manuals and a simulator... http://dunfield.classiccmp.org/heath/... Manual and ETA3400 also available from https://www.vintage-radio.info/heathkit/ Heathkit Manual, Microprocessor Trainer Model ET-3400, 1977, 595-2021-06 (05 is shown in photo above) Heathkit Manual, Microprocessor Trainer Model ET-3400A, 1981, 595-2610-10 Bob Furtaw designed the course that was used http://www.decodesystems.com/heathkit... Note date of original as 1976 is repeated I have the ET-3400 with a 6800 and the expanded 512 bytes with using 4 2114x4 chips. later models did have other CPU variants: ET-3400A 6808 1981 512 bytes 2 chips ET-3400A 6802 1987 512 bytes 2 chips Mine from the Chip dates ins likely 78/79 http://heathkitcatalogs.com/index.php... Fall78 - individual pages (Page 88/89 for ET) http://joe.classiccmp.org/hk/heathkit... Why does the Winter catalog say it is new? Yet Fall just list it??? You can download a British 1978 version from: http://www.f6hoy.com/wp-content/uploa... Of course a fellow Welshman has one... with the manuals and training course. http://searle.wales/ The full set with box etc. (and component draw) https://www.worthpoint.com/worthopedi... Memory ETA-3400 front and back http://www.andys-arcade.net/personal/... http://vintagecomputer.net/heathkit/E... A modern memory addon: https://www.smbaker.com/designing-a-m... A picture of the 6809 upgrade board https://www.worthpoint.com/worthopedi... Cloning it https://www.smbaker.com/cloning-the-e... Not easy to do on 3400 due to clock chip inside... plus fake 6809P with built in clock gen.