"Ok got it up and running again. Everything in Windows works fine - but very slow. No idea if I need to optimize the bios somehow." This sounds like a bus/memory configuration problem. Make sure all your RAM is working. You want to make sure you are running the FSB at 400 Mhz and DDR (PC3200) memory at typically 80% of that speed (a 5/4 ratio). There are many configurations that will work, some will be slow and some will fry your mobo, cpu or ram (that mobo has protections, so mostly the mobo will refuse to POST or will tank after a few seconds or minutes).
"It still won't recognize my CD Burner that's on the same IDE cable (slave) as my DVD player (master) -- I'll try swapping a different cable in later to see if its that, but I doubt it." I doubt it is the cable unless you plugged it in wrong. If you have another IDE channel available (or remove the DVD for now) I would try to isolate the CD burner for now and see if you can get it to configure as a master.
"I ran SiSoft's Sandra, and the only yellow warning I got was that my PS is running at 66C -- which it says is too high. What can I do about that?"
Well, first verify with your hand that the PS is *very* hot. 66C is hot enough to cook food and too hot to touch. Software is not very good at measuring heat, so be sure that the report is accurate. PS run hot either because they are drawing more current than they are rated for, or the wall current is "dirty". 420W should be sufficient so... APC has a very nifty low cost personal BackUPS that does a good job filtering the wall power.
" There's a sticker on it that says "supports Pentium 4", but I have an AMD system - is that a problem?" No. It can't tell who's drawing the power.
"It still won't recognize my CD Burner that's on the same IDE cable (slave) as my DVD player (master) -- I'll try swapping a different cable in later to see if its that, but I doubt it." I doubt it is the cable unless you plugged it in wrong. If you have another IDE channel available (or remove the DVD for now) I would try to isolate the CD burner for now and see if you can get it to configure as a master.
"I ran SiSoft's Sandra, and the only yellow warning I got was that my PS is running at 66C -- which it says is too high. What can I do about that?"
Well, first verify with your hand that the PS is *very* hot. 66C is hot enough to cook food and too hot to touch. Software is not very good at measuring heat, so be sure that the report is accurate. PS run hot either because they are drawing more current than they are rated for, or the wall current is "dirty". 420W should be sufficient so... APC has a very nifty low cost personal BackUPS that does a good job filtering the wall power.
" There's a sticker on it that says "supports Pentium 4", but I have an AMD system - is that a problem?" No. It can't tell who's drawing the power.