P5K3 Deluxe The following table shows the supported CPUs for this motherboard

CPU Since PCB Since BIOS Note
P4-3.73 GHz Extreme Ed. (1066 FSB, HT, revN0, LGA775) ALL 0301

If your motherboard BIOS version number is greater than the BIOS version listed above, then you will not need to flash your BIOS. However, if your BIOS version is smaller than the version listed above, then you will need to select and download the latest BIOS to update your system. We kindly remind you that there is a certain risk level involved in BIOS flashing, please refer to "BIOS Flashing Method ". If you still have doubts, we will strongly advise you to consult with a PC Professional or your PC dealer for further assistance.

How to Check Your BIOS

Download Latest BIOS

Beta Version  1206
Description P5K3 Deluxe BIOS 1206
1. Support new CPUs. Please refer to our website at: http://support.asus.com/cpusupport/cpusupport.aspx
File Size
1.03 (MBytes) 2009/05/12  update
Download from
Global (DLM) Global