On 8/13/07, Technophobic_Tom at comcast.net <Technophobic_Tom at comcast.net> wrote: > On 13 Aug 2007 at 09:25:24 -0700 Harry Freeman wrote: > > >On Aug 13, 2007, at 9:20 AM, Technophobic_Tom at comcast.net wrote: > > > >>System Profiler reports PC2600U-30330 but I find very scarce > >>information on that DIMM. If I add a pair of 512 PC2700's, how much > >>will their speed be downgraded by the presences of the PC2600's? > > > >Your platform will only run as fast as your slowest memory modules. > > Yeah...I knew the qualitative answer as implied in the question. > I'm still looking for the **QUANTITATIVE** answer..."HOW much?" Are you sure you don't mean qualitative? Quantitatively speaking, it'll address all the memory at the lowest common denominator: 2.6GB/s instead of 2.667GB/s. Qualitatively, I don't think you'll notice the difference, but my Quicksilver only uses 133MHz SDR memory, anyway. -- Rich