Elite Cow

I will go ahead and add optifine and change my allotted RAM. Here is a screen shot of the process. I find it weird that it is lagging but not even using half of the CPU? Also, this is a laptop. Brand new server nothing built. The computer runs fantastic on a normal minecraft server loaded with things. I think it is the Tekkit client. Java 7: Only 40% and still lag? I think the ram got reset to 1GB so that's the reasoning for the low CPU usage. It still lagged but I am trying optifine now.

Now I am using a pack, can I just add optifine to the server and everyone will benefit or do I need to make my own pack and add optifine?

Ok so I installed a new tekkit server today using the "Server Owners" tekkit pack download on the site. I am using the same mod pack as a friend but when I go to my server it says its on 1.5.1.. what determines the version? Tekkit.jar, Minecraft.jar, or modpack.jar? What files do I need to update??

That explains why its working for you...

Could you post a pic of your specs?

Could you post a screen shot of your specs?

Ok firstly here are my specs. Minecraft runs perfect on my computer but once I am on Tekkit it is slow and laggy. I have changed the max ram isolated to 3.89 and it is still doing this? Is this a WIN8 issue or am I doing something wrong?