|WinXP does not natively support SATA hard drives. I suspect that is what you have. Why did you replace the drive anyway?|
You need to either supply the SATA drivers when prompted using the floppy drive or slipstream the SATA drivers into your Winxp files and burn a new WinXP CD.
Nliteos can perform the slipstreaming for you. The drivers come from the hardware manufacturers site. In your case, Toshiba. Get Nliteos at the link below.