Create a Boot Floppy Disk with a Windows XP-Based Computer
1. Format a floppy disk by using the Windows XP format utility. For example, with the floppy disk in the floppy disk drive, type format a: at a command prompt, and then press ENTER.
2. Copy the Ntldr and the Ntdetect.com files from the I386 folder on the Windows XP Setup CD-ROM, Windows XP Setup floppy disk, or from a computer that is running the same version of Windows XP as the computer that you want to access with the boot floppy.
3. Create a Boot.ini file (or copy one from a computer that is running Windows XP), and then modify it to match the computer that you are trying to access. The following example works for a single-partition IDE drive with Windows XP installed in the \Windows folder, but the exact value in the [operating systems] section depends on the configuration of the Windows XP computer that you are trying to access:
If your computer boots from a SCSI hard drive, you may need to replace the multi(0) entry with scsi(0). If you are using scsi(x) in the Boot.ini file, copy the correct device driver for the SCSI controller in use on the computer to the root of the Setup disk, and then rename it Ntbootdd.sys. Change the disk(0) number to represent the SCSI-ID of the hard drive you want to boot to. If you are using multi(x) in the Boot.ini file, you do not need to do this.
4. Start your computer by using the floppy disk, and then log on to Windows XP.