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!
Part 4, Overclocking: https://youtu.be/ScpSBcMMuX4?si=soxnKCsfMPjxYT5b
Part 5, 4x mode! https://youtu.be/9A1d03Y24Ys?si=bdBwm1o2By_Q8UW-
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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Music by Karl Casey @ White Bat Audio