RAM health

[tech_lover]

Even though i have 512MB RAM (2 * 256), on system information the available memory shows as 220MB only..is this normal or one of the modules has conked off? is there any tool available to address this?

[wizrulz]

Try using only one module one time and start ur pc and check if it works.....and u will teh answer...btw do u haev any onboard graphics card on ur PC???