In article <i_WUa.16011$T77.1843580@newsfep2-win.server.ntli.net>,
David Pearson wrote:

Your laptop accepts two SODIMMs. In order to add more memory, you'll need
to remove at least one of your existing SODIMMs first. You'll then have
256+512 = 768MB. You'll also need to remove the other 256MB SODIMM when
you want to upgrade to 1GB with another 512MB SODIMM.

- Dan