Author: joe.farr@gmail.com

  • Acorn System 1 progress and Dataman programmer

    I’m sort or regretting buying this Dataman programmer. I need to spend a lot more time trying to figure out exactly what’s going on with it, but assuming my unit doesn’t have some weird intermittent fault, then the quality of the software; specifically the USB driver sucks. I’ve tried this programmer now in three different machines;…

  • Dataman EPROM programmer and fake EEPROMS

    One of my ongoing projects is building a replica Acorn System 1 computer and this has required programming EPROMS. Programming EPROMS in itself is fast, but erasing them ready for re-use is time consuming. So for this project I decided to use EEPROMS. Ebay had numerous Chinese sellers listing all types of devices from 2K…

  • My Acorn system 1 lives

    I’ve been working on building a replica of an Acorn System 1 machine for quite some time and it’s basically been working, but had a really annoying niggle that I’ve been struggling to fix. Anyway, yesterday I was browsing an online forum and decided to post details about the problem I was having. Talk about…

  • A quick update

    My day job has been insanely busy the last few weeks, and to be honest the last thing I’ve felt like doing was spending time hunched over a soldering iron or more time behind a computer screen.  I work for the NHS and all this virus business is to say the least depressing, so I…