Asus P4PE + 2.4 = too hot.

[foreversong]

HI, there.
i have a probelm with my Asus P4PE MOBO + 2400. P4 cpu the C1 version.
i had install it few weeks ago, the system seem fine, but the tempture is around 50 to 54 random change. my bio setting are : 18x 140xfsb 11.31v , core0 & 1- 1.52v @ 2520mhz. i use the Antec Powersupply Ture-power 430watt and the case(skyhawk) make the power supply up-side-down. when i install the cpu i did all those antec silver thermalpast very light amount. is there anyway i could lower the temp.
thank you for reading it

 

[foreversong]

oppis. i forget to say, i'm using the OEM cpu fan.
thanx,,,

 

[Krk3561]

Originally posted by: foreversong
oppis. i forget to say, i'm using the OEM cpu fan.
thanx,,,

You mean the retail HSF? If you used that, did you make sure to take off the black thermal pad before using the thermal paste? Where are getting the tempurature readings from?