"CharlesBlackstone" <charlesblackstone1@hotmail.com> wrote in message
news:1167467586.667378.116470@48g2000cwx.googlegro ups.com...
> Hi, I want to give my friend's son a gig of ram I took out of my Dell
> Lattitude D800 laptop, for his Dell Inspiron 8600. He currently only
> has half a gig. His machine takes newer PC2700 ram whereas mine is
> PC2100 ram. How much will PC2100 ram slow his machine?
>
> Thanks much...
>

The boost he will get from having 1.5gb of RAM will more than compensate the
small drop in RAM speed. Use CPU-Z to check the RAM timings of all 3 sticks
and make sure the bios settings are set appropiately.