inspiron e1505 dual boot WINXP/7, dell specs claims 1.6GHZ while cpu gadgets claim half the speed 800MHZ
checked bios : min 800MHZ max 1600MHZ CPU speed and 800MHZ at the moment and NO WAY to change these settings.
Oh yes bios does not see the battery as well, but that might be the Batt is dead...