The CD is set to boot and install the Microsoft Windows OS if the BIOS returns some special code put there by Gateway or Compaq or whoever.
I have a Windows 2000 OEM CD here at work that will only boot on the Compaq Deskpro EP. Back in 1996 when I bought a PC for home, the OEM CD would only boot in a Sony PC.
The CD is set to boot and install the Microsoft Windows OS if the BIOS returns some special code put there by Gateway or Compaq or whoever.
I have a Windows 2000 OEM CD here at work that will only boot on the Compaq Deskpro EP. Back in 1996 when I bought a PC for home, the OEM CD would only boot in a Sony PC.
OEM's do this all the time.