benjester October 29, 2007 Share benjester Member October 29, 2007 We all know that Windows XP only supports 3 GB of memory. But, to have Dual Channel support, you must have matching dimms. So, does the computer operate on Dual Channel mode when you put 4 GB (1 GB x 4) even though only 3 GB is recognized by XP? Or, is the other Dimm completely ignored? Thanks! Ben Link to comment Share on other sites More sharing options...
dragonfly October 29, 2007 Share dragonfly Member October 29, 2007 idk, but I'm currently running 4x1gb in it, recognizing 2.75, and runs just fine. Link to comment Share on other sites More sharing options...
VooDooPC October 30, 2007 Share VooDooPC Member October 30, 2007 I'm assuming Vista 32-bit works the same as XP 32-bit, CPU-Z saw my 4 GB of ram as two Dual Channel, even if I did only have 3000 something MBs in 32-bit. Link to comment Share on other sites More sharing options...
Cujo October 30, 2007 Share Cujo Member October 30, 2007 (edited) yes, it will be running dual channel with 4x1gb in 32bit os. dual channel is a motherboard thing where as the ram limit is an os thing. they are unrelated. just make sure you have the mobo bios setting related to ram mapping set correctly. you post screen should only see 3.25 or 2.75 not 4096. Edited October 30, 2007 by Cujo Link to comment Share on other sites More sharing options...
benjester October 30, 2007 Author Share benjester Member October 30, 2007 roger doger! thanks Link to comment Share on other sites More sharing options...
Nick Soapdish November 1, 2007 Share Nick Soapdish Member November 1, 2007 does xp 64bit recognize more than 3gb? Link to comment Share on other sites More sharing options...
Cujo November 1, 2007 Share Cujo Member November 1, 2007 yes Link to comment Share on other sites More sharing options...
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