Recent content by Razor83

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    Wii-U NAND-AID - eMMC Recovery and Replacement Interposer Public Test

    After reading SDIO's feedback about the installation difficulties his colleague had, it got me wondering if there might perhaps be another way of making the PCB still fit in the tight space constraints whilst also easing installation, and I came up with some suggestions which might help...
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    Wii-U NAND-AID - eMMC Recovery and Replacement Interposer Public Test

    Looks great, thanks for working on this Voultar :) Just a suggestion, but perhaps you could add a large 1.5mm castellated via at the top right edge of the board to solder to the other half of C655, to act as a large anchor point for mechanical strength? It should be much easier to solder to a...
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    Hardware How I fixed 160-0103 system memory error

    Well thats good to know, certainly opens up more options. Yeah I agree, it would probably be better and more convenient to keep it on the topside. If I recall correctly though I dont think you actually have to remove the heatsink to take off the bottom RF shield? The heatsink has to be...
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    Hardware How I fixed 160-0103 system memory error

    @SDIO Do you know if there is any app on the Wii U which can report the eMMC chips hardware and firmware revisions? I recently saw that nyx on the Switch can show these details, and thought it would be nice if we could get a clearer picture of exactly which Wii U eMMC chip hardware/firmware...
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    Hardware How I fixed 160-0103 system memory error

    Yes I had wondered about potentially soldering to the via's too. However i'm not sure if the Wii U has tented vias? In which case people would have to scrape away the solder mask, which might be beyond some peoples skill/comfort level. Also looking at the back of the Wii U motherboard there is...
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    Hardware How I fixed 160-0103 system memory error

    I think simply flipping the micro SD slot would work perfectly, it should even allow the dampening resistors to fit and require even fewer vias, since you can just connect the pin header vias to the resistor vias directly. It would also help reduce the board size enough to avoid U29. Please...
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    Hardware How I fixed 160-0103 system memory error

    Sorry I was only trying to help with suggestions :( Would the currently selected microSD slot give better clearance if it was rotated 180degrees?
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    Hardware How I fixed 160-0103 system memory error

    Would it not be possible to make the PCB a little shorter to clear U29 entirely? For example (And please forgive my terrible photo editing skills) <EDIT> If the issue is clearance for inserting/removing the microSD card, would it fit better if the slot was rotated 180degrees? Something closer...
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    Hardware How I fixed 160-0103 system memory error

    Looks good, but will it clear U29 on the WUP-01 motherboards?
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    Hardware How I fixed 160-0103 system memory error

    Would it be worth considering making it a flex PCB? so that the microSD card slot could sit directly over the original eMMC chip? Or how feasible would it be to solder to the vias on the back of the motherboard, instead of directly to the resistors? (I dont know if they are tented vias?) I...
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    Hardware How I fixed 160-0103 system memory error

    Sorry to be the bearer of bad news, but I believe that capacitor is populated on some early Wii U consoles, although its actual designation is C655 (C617 is the designation for the much smaller capacitor next to it) Checkout this ifixit teardown photo:-...
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    Hardware How I fixed 160-0103 system memory error

    Fair enough, I was just hoping to 'future proof' in case homebrew eventually resolves those issues, but your probably right and its best to just have solder jumpers instead to make sure only users who know what they are doing make the changes.
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    Hardware How I fixed 160-0103 system memory error

    Yeah I see what your saying, but i'm just thinking that one day future homebrew might remove the need for the SLC cache, or at least allow us to reset it, and so having the option to reconnect to the original eMMC could be handy (Who knows, maybe one day somebody will figure out a way to fix...
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    Hardware How I fixed 160-0103 system memory error

    I thought it would probably be best if we leave the resistors in place, and just cut the clock line, and then have a 3 way DIP switch on the board which could allow us to connect the Wii U motherboards clock signal to either the original eMMC, the MicroSD slot, or finally connect just the eMMC's...
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    Hardware How I fixed 160-0103 system memory error

    I agree with this idea - much better to have an interposer over the resistors and just cut the clock trace to disable the original eMMC chip. Otherwise I imagine many inexperienced people might attempt to remove the BGA eMMC chip with a hot air gun and destroy their console in the process.
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