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When we trim a Wii motherboard for a portable or miniature build, we trim off the stock power regulator circuits and replace them with our own. Most builds replace these power rails with something like the 4Layer Technologies RVL-PMS or CrazyGadget’s PSU-Plus. Almost all regulator circuits used...

This is a really cool finding. It still sounds we'll save some power consumption by undervolting both 1V and 1V15 seperately BUT it does mean we have the option of simplifying builds. On non-portable builds, we can drop a regulator completely!

I recently watched a video of a reballing approach using solder paste. In this approach, instead of reballing the chip, they reball the board itself. I feel like this approach might make it easier to keep things flat and level. Maybe helpful here?

That looks fantastic, I think this should work great

It’s finally here! Amazing work on this dude. I particularly love the diagram style, and touches like the step by step via soldering photos. 2024 is the year of linux on the desktop the Wii U portable!

LET THE UNDERVOLTING COMMENCE

Oshpark flexes are thicc but I think will work great on this board

Dreamvengers assemble

Wundervolt (/vʊndɐvo:lt/) While waiting for my Short Stack boards to arrive, I’ve been working on the idea of building a teeny tiny power supply board with software programmable voltage rails to allow for software Wii undervolting. Thus wundervolt (pronounced /vʊndɐvo:lt/) was born. Before...

Here’s the video I saw, but there are a couple of videos on the topic from ATS. “in reality when you epoxy a heatpipe into an assembly, the bond line is so thin, it really doesn’t make too much of a temperature difference even compared to solder” I love your project, have been following it...

This is really cool!! One of the major heatpipe manufacturers (ATS) has a series of videos on YouTube and I recall one of them saying that thermal epoxy is pretty comparable to solder for one offs/prototypes. Could help avoid any of the reactivity issues in future. How is the thermal...

A dense package arrived from my secret santa yesterday. I cracked it open to find a nice note from the venerable @cheese himself! In case you missed the meme, someone is selling 1,000 wii nunchucks on ebay for $2.5k, but I think that's outside secret santa budget. First up in the package...

Project Short Stack For the past 2 years I’ve been dreaming of building a “not so portable” with a stacked PCB design. Stacking a custom peripherals/power pcb, Wii motherboard, and heatplate reminded me of a stack of pancakes, hence “project short stack”. Requirements I wanted to have the...

This is disgusting. I love it.

For future travelers, I think I found the original U9/U10 IC - the Ablic S-80129CNMC-JKO. The JKO matches the part markings on the U9/U10, the pinout matches, and the timings and voltage thresholds line up with what we expect (2.9V, ~200ms). This is an obsolete part, but hopefully it helps...

I threw together a little case for a power supply for bench testing Wii trims, which combines a USB-C breakout with a RVL-PSU to provide 1V, 1.15V, 1.8V, 3.3V, and 5V power. A couple of people on Discord said they were interested in building something similar, so I figured I would share. The...

Well that would certainly explain it, I hadn't relocated the MX on my build! Thanks Wesk. Do you happen to know if any of the Hiidra/RVLoader MX patches help?