Overview Dated 1992y works perfectly! Several mods I change PSU from standard 42V to non original new one modern 220V. Video cable also altered to use SCART connector on monitor side. (Information about this is FAQ below) Links UKNC programms archive Archive Another FAQ Electronic mc0511 Another one FDC controller Photo
Overview I was order Macintosh LC. It was sold as worked computer, but based on photo I was see some capacitors was leaked. I hope it doesn’t affect and plan to repair it after, but … computer doesn’t work when I plug power and turn it on. No worries, I say, lets clean motherboard and recap it. Oh life is bad game, plans and reality sometimes completely different. After cleaning motherboard I found some legs on EGRET and 8L08A dc-dc convertor for PDS bus was absent due to capacitors acid....
Overview Hand-made new born fdc/hdc controller. Support floppy, hard drive and cf-card. I order clean pcb and solder myself. Now its work perfectly with original uknc computer from 1992. BOM file can be find here Firmware for re3 and rf2. To flash rom to rf5 or analogs just append binary twice cp rom-rf2.bin rom-rf2.bin rom-rf5.bin Photos Soldering process captured.
Overview Video multiplexer for old ZX80. Commercial product, without schemas and BOM. Assembled with silk screen nominals. Fully soldered now. Photo TBA