The ASRock 939Dual-SATA2 is a great value oriented board with native support for both AGP and PCI-Express. Unfortunately ASRock has put very limited voltage selections in the BIOS. This voltmod article describes how to raise the CPU voltage and gives three different methods for a mod which increases the voltage to the memory.
FULL STORY @ TECHPOWERUP (http://www.techpowerup.com/articles/overclocking/voltmods/130)
