I succeed in installing a SCSI controller (Adaptec AHA 3940 AU) and and SEAGATE DAT device (cf. Adaptec 2906 SCSI windows vista 64 bit driver needed urgent - PlanetAMD64
if your are interested), but I didn't find how to use this device in Windows 7.
Backup and restore application don't recognize this device. The help sais that cartridge DAT cannot be use to make backup
(This is the only use of cartridge DAT ...
Thank you for your answer ... I would like to use my old backups.