Guess what I think I fixed...
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The GeForce 4 Ti 4600! F*** yeah! My overkill DX8 card. Oh, the Ti 4800 SE seems to work too. Now I can build that Athlon box to replace my old, beaten and dysfunctional Athlon box... Oh... Hang on... No, it keeps overheating and that heatsink is the biggest one I have. I cannot find one anywhere either, so I am stuck, my only option is to drop to the 1500+ as I cannot cool this 2600+ with any heatsink I own. The only comparable heatsink is on another 2600+ but they are two very different models of CPU and I tried it before, it is a much smaller heatsink and cannot dissipate the heat at all.
I also cannot afford to damage the CPU as this version is very hard to find; http://www.cpu-world.com/CPUs/K7/AMD-Athlon%2 … A2600DKV3C.html I do not think I will be so lucky as to find one at the glorious price of 1.99 again. Only thing I can think of is to get a fan adapter, but it would not fit in the case. Perhaps I can find a server-grade 60mm fan instead as noise is not a problem, I could even build a temp control circuit (existing fan actually has one) if it were a problem.
Have not tested GPU in Direct3D yet, but before the inductor was broken off it worked fine, without the inductor it caused a reboot as soon as the system displayed graphics for a few seconds. It no longer does this so I assume it will work, I can't see anything else just randomly dying because an obscure component went open circuit - it is not outside the realms of possibility I guess, but it seems unlikely. Thank you, dead XGL card... I hate butchering things like that, but it really was dead, very dead, the GPU was actually melted when I got it and of course it did not work... Has sat in the drawer since, though it donated its heatsink to something around a year ago.
I sure hope this thing works. I think I can get away with running it for now as it idles at 55°C and will go up to around 70° when loaded hard... Apparently they take 85° but I DO NOT like to run the machine above 60° EVER. In fact, I try to keep machines below 45°C at all times, am I fighting a losing battle here though? I mean, this CPU clearly runs much hotter than the 200MHz versions (This is a 133MHz chip), perhaps it always will? I still will try to improve cooling ASAP though and I will still set the fail-safe, I know it is responsive on this board and just cuts power unceremoniously, which is good.
EDIT: Oh, I also wanted to add. Something funny happens when you plug a U5S-Super33 into a Micronics M4Pi (A very finicky motherboard) - it detects a "486SX Operating at 100MHz" according to the POST screen. Obviously it is not, but I found it funny. Intel should have made a 486SX4 because that board reports this for other CPUs such as the 486DX4 (All makes) and the Cx5x86. It will not POST with an Am5x86 and is the only board I know of to have this problem, especially with it running the Cyrix. Very strange board and I may not own it much longer, so it is good to learn a bit more about its quirks. It actually isn't a bad board paired with a 486DX2 and an S3 video card.