During the text setup phase of Windows NT installation, the Windows NT Setup program installs drivers for the following components: keyboard, mouse, video, SCSI, disk, CD-ROM, machine/HAL. If text setup cannot find a driver for any of these components, it prompts the user to insert a disk containing the driver. The user can also select Other from a list of drivers for a component, and this causes Setup to prompt the user for a disk.
If you are distributing a driver for one of these hardware components, and intend to enable the user to install it during text setup, your distribution disk must include a file named txtsetup.oem. Note that for your distribution disk to be used during the text setup phase, the disk must use the FAT file system. A txtsetup.oem file is a text file containing the following information: