The DPT driver for Windows 3.1x is the SCSI BIOS ROM (SmartROM), which
is installed on all DPT SCSI controllers.

When the SCSI BIOS ROM is enabled it will display a message during POST
similar to the following:

DPT SCSI BIOS ROM vX.XX

Where X.XX is the version of the SCSI BIOS ROM.