Re: Ram doesn't register full amount??
Only Windows xp pro 64-bit can hold up to 128 GB, any other version are 32-bit and only hold up to 3GB as stated by -invent-, so go to control panel and click on system and check if you are running win xp pro 64-bit or a 32-bit, hope this helps
ASUS crosshair/AMD 64 x2 6400/ XFX Nvidia 8800 GT/
4GB 667 RAM/ Zalman 9700 Fan/320GB HD/600w Thermatake Pure Power Rx/win xp 64bit