You can't do that manually. Kailangan mo ng WinSetuoFromUSB program that you have to download. Here's the link:
1D96b^S=@GR3.4.'/97+V343Wn?77:)U[:<.:
Key: elab
You need the following:
1. A USB flash disk w/ atleast 1Gb size
2. Windows XP installer on CD.
3. Of course, the program above.
Direction:
1. Extract and install the file you download..

2. Open the applicaton WinSetupFromUSB (follow lang po steps sa image..)
Note: kung sakaling di nyo malocate yung pendrive, you need to format using,
HP format tool...this option is located on same applicaton.

NOW YOU HAVE ALREADY A USB WINDOWS INSTALLER...
Set your BIOS,Boot Sequence as First Boot on USB.
HERE ARE THE PICTURES ON INSTALLATION...JUST FOLLOW:



