opscode/basebox — comment on commit 75efc038d6ed91546f2e77170d347449852666ab
File:  line 0
By dysinger:

I changed it to 512 on my project across the board. It's just an install-time setting (you can boot a machine with 256mb of memory still if you want - like you said it's a runtime config). Also I never run any VMs with less than 512 anyway if I'm going to do any real work with it.