Another random? Some of the people posting do not have UEFI. Actually most of them have legacy and some complaining on the net have weird server boards not designed for graphics. They could try to slow down the cards BIOS to see if the... well I already explained. The cpu caches from mapped main memory, kernel panic, lol. Easier to swap the excessively large PSU's, ahaha, seriously they have a hard time in standby or even running at 100W which is what they need to do. To use your card as an example it will only need 200w+100w+a bit extra, so a 400w PSU would be fine. Ignore the candy, FSP is a good brand if you need a new one. I did start building and programming computers in 1981, but I have rambled enough.