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Finding a CPU Design Bug in the Xbox 360 (2018)
11–20 of 55 posts
Re: Finding a CPU Design Bug in the Xbox 360 (2018)
#12Earlier quoted context omitted.
And there was the same problem with early PS3s, on Nvidia's GPU package...it was a fairly widespread problem at the time.
And Apple iBook G3s too. There's a whole thing with owners reflowing the GPU: https://www.instructables.com/Fixing-the-infamous-iBook-scre...
Re: Finding a CPU Design Bug in the Xbox 360 (2018)
#13Re: Finding a CPU Design Bug in the Xbox 360 (2018)
#14Earlier quoted context omitted.
Sounds like the 2012(?) Macbook Pro after the switch to leadless solder (?). I had to cook my motherboard 3 times in the oven to revive it.
Funny! I've heard that flash memory can also be revived with heat, either long duration or high intensity. https://www.extremetech.com/science/142096-self-healing-self...
Re: Finding a CPU Design Bug in the Xbox 360 (2018)
#15Earlier quoted context omitted.
And there was the same problem with early PS3s, on Nvidia's GPU package...it was a fairly widespread problem at the time.
I don't have any solid numbers on me, but I believe early 360s failing wasn't just widespread; it was straight up most of them dying within the first couple years. It's honestly insane they more or less got away with that. And I guess also speaks to how much Microsoft was killing it in that era that people were willing to go through multiple console RMAs (which I heard was a terrible, slow, and unreliable process) to…
Re: Finding a CPU Design Bug in the Xbox 360 (2018)
#16It is interesting that IBM dominated this generation of consoles, and was vanquished in the next. The high failure rates of the Xbox 360 did not help. https://en.wikipedia.org/wiki/Xbox_360_technical_problems
IBM's Power was the only logical option at the time.
These consoles were being designed around 2000. Intel and AMD weren't partnering on bespoke CPUs at that time. I don't even think AMD would have been considered a viable partner. Neither had viable 64 bit options and part of console marketing at the time was the ever increasing bit depths.
Prior console generations had use MIPS which wasn't keeping up with ever increasing performance expectations and players like Toshiba and Sony were looking for a higher performance CPU architecture. IBM's Power architecture was really the only option. Sony, Toshiba, and IBM partnered to develop their a new 64 bit microarchitecture called Cell.
Microsoft's first console was basically a PC and that's how everyone saw it. The 360 was an opportunity for Microsoft to show that it could compete with the big boys. It was also an opportunity to keep a toe dipped in RISC, because it had dropped support for RISC CPUs with Windows 2000.
Re: Finding a CPU Design Bug in the Xbox 360 (2018)
#17unrelated, but recently XBox One was hacked for the first time https://www.youtube.com/watch?v=FTFn4UZsA5U
Re: Finding a CPU Design Bug in the Xbox 360 (2018)
#18Earlier quoted context omitted.
And there was the same problem with early PS3s, on Nvidia's GPU package...it was a fairly widespread problem at the time.
I don't have any solid numbers on me, but I believe early 360s failing wasn't just widespread; it was straight up most of them dying within the first couple years. It's honestly insane they more or less got away with that. And I guess also speaks to how much Microsoft was killing it in that era that people were willing to go through multiple console RMAs (which I heard was a terrible, slow, and unreliable process) to…
Re: Finding a CPU Design Bug in the Xbox 360 (2018)
#19Re: Finding a CPU Design Bug in the Xbox 360 (2018)
#20It is interesting that IBM dominated this generation of consoles, and was vanquished in the next. The high failure rates of the Xbox 360 did not help. https://en.wikipedia.org/wiki/Xbox_360_technical_problems
> It is interesting that IBM dominated this generation of consoles, and was vanquished in the next. IBM's Power was the only logical option at the time. These consoles were being designed around 2000. Intel and AMD weren't partnering on bespoke CPUs at that time. I don't even think AMD would have been considered a viable partner. Neither had viable 64 bit options and part of console marketing at the time was the ever…
What wasn't viable?