486 Socket Blaster, Adding 3.45v support to the supposedly unupgradable IBM PS/1

Part 1: Repair of PSU and CPU. here: https://youtu.be/49ZOxgc2pXI Part 2: Hacking the MOBO: here: https://youtu.be/kxbkkpe6wfM Part 3, This video! PCB Prototype the Easy Way. Full feature custom PCB prototype service. https://www.pcbway.com/ GitHub project page: https://github.com/scrapcomputing/486SocketBlaster Vogons post here: https://www.vogons.org/viewtopic.php?f=25&t=76256&p=1162786#p1162786

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Tools I regularly use DeoxIT D5 Contact Cleaner Hanstar 861DW Rework Station Pro'sKit SS-331 Desoldering Station UNI-T UT61E Auto Ranging Multimeter UNI-T UT890D Manual Ranging Multimeter MESR-100 mk2 ESR meeter PINECIL Soldering Iron PinePowerPSU TS-100 Soldering Iron AMTECH NC-559-ASM Flux MaAnt Grinding Pen Multicore 60/40. 0.38mm and 0.5mm solder TL866 II Plus Programmer Tektronix 2246A 100 MHz four-channel analog scope PCBs from PCBWay.com :)

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