PS CS2 can use 3GB of memory in Windows under certain circumstances. http://www.adobe.com/support/techdocs/320005.html
Shel "You meet the nicest people with a Pentax" > [Original Message] > From: David Mann > Well it was only an idea :) My thought was directed more at the fact > that PS can only ever use a couple of Gb of memory (2Gb on Windows > and 3Gb on Mac, I think).