One more thing. The old ps is most likely a 20pin unit. Your board is a 24pin power connector.
Look at it this way. You spent quite a bit of money for your parts. Trying to use an adapter and an underpowered power supply is just asking for problems.
Look at it this way. You spent quite a bit of money for your parts. Trying to use an adapter and an underpowered power supply is just asking for problems.