New Test Rig

From now on all of the power used to host this site is supplied by the sun. This is down to a combination solar panel / battery system installed by UPS Solar which seems to be performing well at the moment, certainly better than the info I gleaned from several websites as to how much…

The Retro Chip Tester (RCT) was developed to test „old“ memory chips from the 1970s and 1980s, which are often no longer recognized by today’s programming devices. The RCT is able to identify defective memory cells very reliably. It can save the contents of ROMs, PROMs and EPROMs to a memory card. If the memory…

Since Windows 10 becomes an unsupported OS next year, I re-enabled secure boot on Windows 10 (via the BIOS settings for my motherboard) so that Windows Update would let me perform the update to windows 11. Once that had all completed, I disabled it again and my machine now boots into Windows 11 and still…

I was looking for some information on arcade monitors, specifically listings of capacitors needed for Capacitor Kits, and everything I found seemed to be in the way-back archive rather than on current sites. So duly reformatted the information that I found, started adding links to manuals and schematics, where I have them, and of course…

I fondly remember playing games like Confidential Mission on my Dreamcast in the games room, displayed on a 26″ Hantarex screen that came out of a video conference room. However, with the switch of TVs and monitors to LCD / OLED etc, these old guns no longer work. After doing some browsing across several web…

One of the users discovered a minor problem with the Fluke pod converter PCB which causes problems mainly when used on Zaccaria pinball PCBs. It seems I missed one of the tracks off from the original article that connects the INTACK signal to GND. This has been fixed on the latest PCBs, but if you…