XP, Vista and Win 7 all have the USB drivers built into Windows. Your board may not have USB 2.0 hardware, then you will need an add in 2.0 card. If you cannot boot from USB, then it's possible the board doesn't have that option in BIOS. Every board is different.
1)GA990XA-UD3, Phenom II 970 ,8Gb DDR3 1866, EVGA GTX560Ti,500Gb SATA II , LG DVD, Win 7 Ultimate 64bit
2)AX78, Phenom 9600, 9800GTX, XP Pro SP3