Please Help Me Some One. I Had All Configuration Needed to Install Kali Linux but Unable to Do?

All configuration that is needed is available on to my SYSTEM but unable to dual boot it. It's all configuration meets to it's need but, cant boot it properly because of that problem is occurring to my original OS that is Windows XP server pack 3. My configuration is as follow :-

• 512 RAM.
• 180 GB HDD.
• windows xp server pack 3.
• Pentium 4 system with intel processor.

Please help me.