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This is something I came up with to make reballing the interposers a little easier. Should fit most top sections of these reball jigs, might need slight massaging with a vile and/or sandpaper. this is for 1.6mm thickness pcbs, you could also fit pcbs in there that already have passives soldered onto them. incase you have to try and salvage a failed attempt at the mod. Xbox cpu interposer jig v5.stl

I'm planning to order some boards from Lukas and performing this mod on my main box and a couple other ones, but I have some questions that I need answers to and I don't want to annoy him with this stuff. If you guys would be willing to offer some advice, I would really, really appreciate it. -What is the best way to "ball" the underside of the interposer? Do I just have to organize the solder balls by hand, without a stencil or anything? That will be tedious as fuck. -When preparing to solder the CPU to the interposer, Lukas' github instructions say to "flux" every pad individually, but I think he means "tin" them? Otherwise the CPU pins will have nothing to bond to! Can anybody clarify this? Also, (and I wasn't able to find anything helpful with a google search about this) am I going to have a problem soldering the CPU to the interposer without ruining the bond I've established between the interposer and the board? Or the components (caps, etc.,) I've soldered to the interposer? I don't want to reheat everything I've already soldered if I can avoid it... -What is the best way to align the interposer to the board? Do I have to just eyeball it and see that the interposer balls are lining up with the pads on the mobo? If so, then god DAMN.... -How do I hook up a #STPCLK switch to the VCC/GND leads? -Lukas has already recommended a good rework station that I will pick up in 3-4 weeks or so, but does anybody have recommendations for a soldering iron/station? Maybe some sort of kit that comes with everything I will need for this project? In fact, what WILL I need for this project? I only have a few tools in mind that I'm sure of so far. I have basic soldering skills. Modchip installs are cake. But this is a huge step up from soldering a friggin' pin header and some random wires. -Could I theoretically use XBoverclock to push this CPU even higher? Maybe to 1.6Ghz? I am seriously overwhelmed here. I will have no problem being able to do this once I know where to start and gain some momentum. I learn things pretty fast and am pretty coordinated. I thought about maybe starting on some RROD 360s or something and then moving on to this after that. Once I set my mind to something, I do it, whether I succeed or fail. So I will not be swayed by anybody saying, "Dude, I think you probably shouldn't bother. You're in over your head." Yes, I'm afraid of fucking up, but I know for a fact that I want to do this. It will give me immense satisfaction knowing I was able to pull this off. I need help though! Once I get 3 done, I will order more interposers and start upgrading boxes regularly, along with extra ram and the MakeMHZ Xbox HDMI. Hopefully I can start selling them to people for a non-rip-off price, because I know people want this done and it would make me really happy to be able to make it a reality for people without them having to spend 1,500 bucks on ebay. I love the OG Xbox and I want to be a useful contributor to the scene! Can you guys please give me some advice? I suppose this is a step in the right direction? http://www.easybga.com/en/supply-bga-reballing-kit_l101_p9.html

As i won't build further boards i decided to sell the Adapter boards to people who want to do the install themselves. Well it's not the easiest of an install but if you want to try hit me up! A BOM that are needed and install details are found on my github: https://github.com/N64-Freak/Xbox-CPU-interposer Price for one interposer Board: 20€ If you want to buy multiple we can work out a deal. I do ship from germany but do have some stock in the US for faster shipping.