How To Identify a PCI Boot Controller

This article was previously published under Q130923

When you install Windows NT on a computer that has more than one PCI adapter, you need to determine which adapter will be the boot host adapter. The boot host adapter must be the lowest PCI device number. The PCI device number is determined by the physical slot number that the device is placed in. For example, a adapter placed in slot one would have a lower PCI device number than an adapter placed in slot two.