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Dell :: D620 + 4gb Of Ram = BIOS Says That Only 3gb Is Usable

Quick question here - just installed 2x2gb and BIOS happily tells me that "Due to the amount of memory being assigned for system use, memory available is less than memory installed".

Which works out to Task Manager reporting only 3.3GB (Vista 64).

From what i remember, it means that d620's BIOS can't map devices above 4gb? I tried to find this option in the BIOS but couldn't. Maybe i missed something? I'm kinda disappointed since d620 is supposed to be more or less serious laptop.

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