Orthos Testing

[GuitarFreak1857]

ok guys, so far i've got my opty to 2700Mhz at stock volts, 300x9, my ram running at 225Mhz. so when i go to run orthos or prime95 after it runs for 1-3 hours or so it freezes and puts a high pitched sound out of my speakers. what should i do?

~thanks

 

[Pepsiboy700]

Up the voltage.