Q: I use 3.2G/3.4GHz CPU on P4i65GV / P4i48 / 775i65GV. But CPU speed shows 2.8G? How do I fix it?(9/14/2004) A: Because you use the new CPU and it is necessary to update the microcode for CPU support. Please update to the latest BIOS.
https://www.asrock.com/mb/download.asp?Model=P4i65GV#bios
https://www.asrock.com/mb/download.asp?Model=P4i48#bios
https://www.asrock.com/mb/download.asp?Model=775i65GV#bios