KT3 Ultra2 won't POST D-Bracket RRGG

Greetings.
I have read many similar posts but nothing I have done works so far. I have a new KT3 Ultra 2 that I have never been able to get to boot. The D-Bracket ~always~ shows Red Red Green Green, regardless of what is in the board: nothing, just RAM, just CPU, Ram+CPU, Ram+CPU+Video. I have tried swapping out processors, ram, video.
Background - I had an Asus A7M-266D dual MP 1600 machine that just gave out last week. I was in the middle of using it and it shutdown After switching some dip switches on the board to force a 133mhz bus I was able to get back up and into the BIOS. It died a couple minutes later and I was never abe to revive it. I figured it was the motherboard, as I have heard about troubles with them, so I ordered the KT3 Ultra 2.
When I got the mobo it wouldn't POST. I went and got new RAM and a new CPU (after the new RAM didn't help.) I have essentially replaced my entire computer and I haven't gotten the new config to boot. I would love to hear any suggestions you might have.
Here are the detailed specs:
Mobo: KT3 Ultra2 (6380E) - w/audio, no LAN or RAID
CPU: Either one of 2 MP1600+ (dual machine) or a brand new XP2000+
Heatsink: one of 2 Thermalright AX-7 w/Vantec Stealth 80mm fans
RAM: 256mb K-Byte PC2100 (new) or 512mb Kingston PC2100 (from dual machine)
Video: Either AGP ATI Radeon 64mb DDR VIVO (7200) or PCI Matrox MY220 (and others tried)
Power Supply: SkyHawk SH-400A8H 400W +5DC 40A 3.3VDC 28A no combined wattage but calculated ~195W combined from the ((5x40A+3.3x28A)/3)x2 formula listed in one of the threads.
I have switched out parts and reseated everything multiple times. The D-bracket always shows R R G G as soon as the power comes on. I have tried clearing the CMOS but it doesn't seem to help.
I know that other people had similar problems and solved them by replacing parts - but I have pretty much replaced everything at this point (with the exception of the power supply.)
Any ideas?
Thanks for any help.
hippo

And the power supply folks win again. I didn't have another power supply rated for this machine - only some old 200 and 235 W power supplies that rate 10-14A on 3.3 and 20 A on +5. But when I tried to use it I at least got different results - I powered up until I hit R G G G (Boot Attempt) when I got some BIOS beeps (not sure which ones right now - but most likely related to having way too little power).
Sorry I didn't try that earlier before posting - I figured the PS was very unlikely to have gone bad in such a short period (new with case in May).
After I get a properly rated PS I'll post again (hopefully with all problems solved).
Thanks
hippo

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Quote
Originally posted by maesus
You have to clear the CMOS, and 100% make sure it's really cleared. ie, removing battery, discharge all capacitors on the board (with power off and power cord attached for 5 minutes), unplug power cord, set the CMOS jumper to reset for couple of minutes... etc
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Quote
Originally posted by wonkanoby
get a descent psu with 180 or better still over 200 watts 3.3 and 5v combined ,read sticky ,but it not likley to boot with that psu at all
cooler clip and step face psu?
thats BS
sorry but i have the same problem as this guy
on a cold boot i get the beeps and i gotta turn off the PSU from the back and turn it back on to get it too boot
i upgraded to enermax 350W PS, and it still does this
kt3ultra 2
duron 1200
radeon 1 ddr 32 meg
samsung 256 meg 2100
enermax 350W

KT3 Ultra2 won't POST D-Bracket RRGG

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