I have a ThinkCentre A51 8131-1NU that came with 1.5 gigs of RAM. I just replaced it with 4 Gigs of RAM (4x1 gig sticks). however the BIOS only recognizes 3 gigs of RAM. I have installed the 64 bit version of windows 2003 and it too also reports only 3 gigs of RAM. How can i get the BIOS and OS to recognize the entire 4 gigs?
Here is the specs for the ram i installed:
Manufacturer: Kingston Technology Company Packaged