For those of us with XP, and the boot,ini switch to enable use of 3 GB of RAM, but we have 2 X 2 GB (4 BG) installed. Is there some way of puttling the 4th GB to sue in a RAM-drive or some other use outside of the OS that might speed up stuff?Thanks, Bruce.

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Just to keep things straight... The /3GB switch is not there to enable the use of 3GB of RAM... it is there to increase thevirtual address space for the application.This has been discussed many times in the past, but seems to persist as some sort of urban myth :(Windows 32 bit will quite happily use your 4 GB of physical RAM, some of it to map your video adapter and other I/O,and some of it for the OS and applications that you run.See here for details:http://msdn.microsoft.com/en-us/library/aa...28VS.85%29.aspx

Just to keep things straight... The /3GB switch is not there to enable the use of 3GB of RAM... it is there to increase thevirtual address space for the application.This has been discussed many times in the past, but seems to persist as some sort of urban myth :(Windows 32 bit will quite happily use your 4 GB of physical RAM, some of it to map your video adapter and other I/O,and some of it for the OS and applications that you run.See here for details:http://msdn.microsoft.com/en-us/library/aa...28VS.85%29.aspx

Thanks Bert.