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?"