eeksdee
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Everything posted by eeksdee
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https://github.com/GXTX/xbox-bmarks CPU is set to loop infinitely loop.xbe
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Nice. Told them you could use the libs with newer VS versions a whileeee ago.
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The multiplier is locked on silicon. Original CPU uses a multi of 5.5.
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Undervolting the GPU/MCPX is fairly difficult. It's set by a single resistor, the problem is both are running off of the same rail so it's difficult to figure out which is the problematic one. Normally it runs at 1.6V, and anything under 1.4V results in a console that can't boot.
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Bought some new power ICs, pretty hard to find, had to use one of those sketchy parts retailers, and it ended up working out. Got 25 @ $0.80/each. So the lowest the core will run, at least without *further* modification, is 1.1V, it's set to 1.05V but is able to draw higher (likely due to the feedback circuit). These are only useful for 1.0/1.1.
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$$$
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You can ignore the numbers. On 1.6 you remove the 2 jumpers on the 2 pads marked in pink.
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You could if you wanted, but I don't really see the point unless you're trying to find the highest OC you can get or something. I really wish someone more knowledgeable would help with the feedback resistor, want to see how low these CPUs can run at stock clocks. https://github.com/GXTX/xbox-bmarks Uses nxdk, didn't really write up how to compile or anything but if you join xbox-dev discord a compile version should be available somewhere in #sw-development
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Development Kit - what to do with it
eeksdee replied to timberland's topic in Rare and Uncommon Xbox Hardware
That's a DVT3, nice. Don't use it for anything. Literally. -
Nice Glad someone else decided to give it a try. I was surprised by how high they had it running, it must've been Intel guidance + worst case scenario.
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Just curious what feature you're wanting them most that isn't already there?
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> would Dustin have a problem then Couldn't image so, if it were actually derivative of Ryzee's work.
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> why wasnt there any infighting back then? Couldn't tell you. Probably has to do with them all being acquainted with each other for year(s), and all 3 having each original designs. But you'd have to ask them. I'm just a nobody who hangs around.
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This has been covered before.... plenty of times.... They were both independently working on a HDMI mod, and at some point they found out the other was working on one -- and shared info... There's no based on, there's no stolen. Hell even DiscoStarslayer was working on one back then. Had literally any of you been active in XboxDev in 2018~19 you'd know all of this. Instead it's been non-stop 'infighting' and same old scene shit.
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Nem, it seems xbox7887 answered your question, will you reply?
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Of course. On both system I've let them run for many hours under 100% CPU load.
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Perhaps this will be better for you, my good friend. https://github.com/GXTX/XboxOverclock/releases/tag/v1.3
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Sounds like your box is broken or something then. I've never heard of anyone complaining about that.
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Just do it in software... https://github.com/GXTX/XboxOverclock
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3 major benefits of undervolting vs. raising the fan speed. Prolonged life of your Xbox Prolonged life of your fan Not having to listen to a noisy fan at higher RPMs Even if you replace with a noctua it's still annoying.
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Been a bit bored as of late and wanted to see how low temps I could get. Microsoft in their infinite wisdom gave the CPU farrrr too much voltage: 1.7V! Nuts! Well the CPU itself runs perfectly fine at 1.3V (lowest the voltage reg will go without messing with the feedback loop). 1.0: Remove the 0ohm resistor on R2E4 1.6: Remove the 2 0ohm resistors on R2E7 & R2E3 The only drawback of doing this, is you'll no longer be able to push the CPU frequency over ~950MHz. The temperature screenshot is from my 1.6, I'm aware that the 1.6 does not have entirely accurate monitoring, but you can see a clear difference. Both were taken at a ~73F ambient with fan running at 20%. Enjoy.
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Agree with the airflow, the only complaint with that, but in return you get permissively licensed files.
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https://www.thingiverse.com/thing:5394953 https://www.thingiverse.com/thing:4461734 I was able to get both of these printed for $20 shipped via an eBay user doing printing services. Biggest issue is you being in AU, nearly half of the price is just shipping. Not much you can do there.
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The $40 shipped for the DVD conversion is already high, can't imagine this will be priced well . 3D printing services doing $20 shipped for the version on thingaverse. Looks cool though.
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Pretty sure you just need to remove the resistor at R2E7 and jump R2E5 to set 1.45V. The VID pins are internally pulled up so leaving them floating is a logic high. Untested.
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Board startup date: April 23, 2017 12:45:48