Fine - I think I fixed it for the P5WDG2-WS PRO.

Flashed this BIOS here:

http://edu.tchsien.com/CBB/coolaler/...S-PRO-0004.rar

In the MEM menu (chipset) is a new appearance, You can change the read delay now.

Set it to 7 - no COLDBOOT anymore after leaving BIOS.