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I recently bought a "working" stock v1.0 with a duke controller off Ebay, but turns out the seller's head is empty because they shipped it with zero padding and it now FRAGs, awesome. The thing is, it came with an HD AV pack which looks like it goes for a good bit more than what I paid. So, is this a win/resell or what? Not sure the console is too good for parts.
So i tried to upgrade my 1.1 xbox to 128mb. I installed the first chip successfully and xblastOS flashed to TSOP said "Success". Then i attempted to install second chip on bottom side, but xbox started fragging. I fixed up some shorts i found, but it still fragged. Then i measured according to datasheet, that power to RAM is shorted to ground. The shorted pins most likely were: 66 and 65. However it's possible, that i used the chip pinout wrongly and i measured short between VDD and VDDQ, which should be fine. Even after fixing the shorts, it still fragged. After (destructively, but fortunately without ripping any trace) removing the both installed chips, it still does very weird frag. Basically the LED lights up only for short while and then turns off. Xbox's fan runs for a while and then it reboots. This gets repeated indefinitely, but rarely you get normal FRAG and xbox stays on. I measured 2.65V going to the VDDQ pin and the RAM power rail or any of the main power rails are NOT shorted now. ANyone knows if i can fix it? All my other xboxes are either fragging (i have 1.0 i got fragging, but it might be TSOP issue as there are no signs of tracerot, no leaking caps and apparently TSOP might naturally degrade now, so i ordered modchip and will try to install it) or they are 1.6, which suck IMAGES: https://imgur.com/a/z74Mzxe Here is reference image how i installed one of the chips, that worked well (the first one). I guess it was pretty good: https://imgur.com/a/6DlSKuY. The residue is either flux or denaturated ethanol i used to clean it up. VIDEO:
Board Life Status
Board startup date: April 23, 2017 12:45:48