If you installed Winows NT on a large HD, and the WinNT partition starts above 4GB, you may receive:

Boot record signature AA55 not found (25EB found) Windows NT could not
start because of a computer disk hardware configuration problem. Could
not read from the selected boot disk. Check boot path and disk hardware.
Please check the Windows NT documentation about hardware disk
configuration and your hardware reference manuals for additional
Use another operating system (or an alternate boot) to edit c:\boot.ini and change the multi() syntax to the scsi() to defeat the miscalculation error in the multi() code.