To quick boot Windows XP follow these steps,
* Go to 'run' and type Regedit and press enter.
* In the Registery Editor, open the following path HKEY_LOACAL_MECHINE\SYSTEM\CurrentControlSet\Control\ContentIndex
* In that find the key called "Startup Delay".
* Double Click on it and in its base, click Decimal.
* Its default value is 4800000 just change the value to 40000.
* That's it, now close the Editor and Restart Your Computer.
* Go to 'run' and type Regedit and press enter.
* In the Registery Editor, open the following path HKEY_LOACAL_MECHINE\SYSTEM\CurrentControlSet\Control\ContentIndex
* In that find the key called "Startup Delay".
* Double Click on it and in its base, click Decimal.
* Its default value is 4800000 just change the value to 40000.
* That's it, now close the Editor and Restart Your Computer.