[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /3GB /noexecute=optin /fastdetect
EDIT: if your system does not like the 3G switch, you may experience boot failure. Do a full system backup first (such as Ghost) if you do not know how to recover from a non-booting computer, or make sure you read and understand this.
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /3GB /noexecute=optin /fastdetect
EDIT: if your system does not like the 3G switch, you may experience boot failure. Do a full system backup first (such as Ghost) if you do not know how to recover from a non-booting computer, or make sure you read and understand this.