Windows .exe FTB Client RAM Question - More than 4G?

[tehaaron]

So I am running FTB fine on my normal desktop computer but today I tried to install it on my laptop for my daughter to play and I am having RAM issues. I know about the JVM Args and made sure to add them to the launcher. The post states having 3G open for FTB. Generalized laptop specs:

Windows 7 64bit
4G RAM
i7 2.2 GHz
Java 7u45

Prior to starting the launcher I made sure that fewer than 1G was in use (I believe around 700M). I was expecting it to launch and be sluggish since it was close to the limit but so far it hasn't even fully launched yet as it freezes due to RAM being full.

So I guess my question is, is it even possible to run FTB without more than 4G of RAM? If so is there a post somewhere about optimizing for it?

Thanks

 

[UniZero]

What pack are you trying to play? How much ram is allocated within the launcher itself?

The majority of the 1.6 packs require at least 2gb of ram to run. The jvm arguments require, as you said, 3gb to work but if the system only has 4gb of ram then you will starve windows of the ram it needs to function.

Yes the packs can run with less than 4gb of ram but will run poorly.