unlikely to be power supply related, since its the same one.
Thats a Kernel mode trap, so a badly behaved 'hardware' most likely
you'd need the full trace and the windows debugging tools to determine which one, i fit doest tell you in the blue screen
Try this, but with just the info you posted you want get far, you need the rest of the debug info
http://aumha.org/win5/kbestop.htm