Need more memory for CogVM

Hi! :)

I tried "C:\Tools\vivide_dev\Croquet.exe -memory: 2048" but I still get "out of memory" at roughly 512M (vm process working set).

Why? How to chnage?

My environment: Windows 7 Pro (64-bit), CogVM (05.03.2013), Squeak 4.4

Best,
Marcel