SGI Indigo, WTB Power supply? Burning smell?

Okay, after a ton of rounding up the parts I finally have the keyboard, keyboard cable, mouse, Indigo and 13W3 to VGA cable to try to bring my Indigo back up. I put my baby on the desk, cable it all up... and burning smell when I start it up. So far I can't find anything on the PCBs that looks burned. Everything smells somewhere between old and burned, so that isn't much help. But here is where it gets crazier. I originally had a R3000 Indigo, with Entry graphics as I recall. Or maybe it had some 3d ass, but it was still 8bit color depth. At some point in the NASA Auctions I had come across another Indigo that worked, and it had a R4K cpu board. And then I had a card that went into one of the desksides that had a Elan set that got you Elan on a deskside (I think.) I left one of the Indigos outside with a bunch of computers for craigslisters to come curbcycle, but a homeless guy stole it all took all the metal and left behind all the smashed up plastic parts (yay.) I couldn't remember what was in the Indigo I left outside. After sniffing the PCBs for a minute or so like bomb dog looking for a burned resistor or cap.... I got to thinking that the PCBs are bigger than I remembered. Better than I remembered. I google the part numbers, and low and behold it's a R4K CPU card and a Elan graphics set. Good for performance, but it's not 100% my first SGI. But still. BUTTTTTTTT.... there is a different power supply for R4K machines, that is different from R3K machines. I'm pretty sure the machine I have is my old trusty Eggbert, and it has a R3K PSU. So now I need to find (this should be easy?) a R4K power supply for an Indigo. I don't even know if the boards will work, green LED came on for a bit then went orange. There was frame buffer output. There was no startup sound that I knew and loved. The 9430810 is the R3000 power supply, the 9430812 is the R4000/R4400 PSU. Any leads? -- Ethan O'Toole