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Windows 7 64 bit does not recognize 4 Gig of RAM on X60t Tablet

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Started ‎10-31-2010 by
Modified ‎10-31-2010 by


Have 4 Gig installed on my X60t ThinkPad Tablet and it only recognizes 3GB.  Processor is Intel Core 2 L7400.  What is the maximum memory config on this system?  Is the limitation the OS, the CPU or the Chipset?




The X60 Tablet is based on the Intel 945GM chipset.   This chipset supports a maximum of 3GB addressable memory.   You can install 4GB physically but the system can only address 3GB max (even with a 64-bit OS).