Rainer Duffner wrote: > Except that nowadays, some cheap desktop-motherboards may not know how > to enable booting from such a card. > I seriously doubt a SCSI card with a 50 pin (max 10 or 20MB/sec?) external connector is going to be used as a boot device. more likely, this is for some older tape class device like a DAT. btw, the original poster should know, you can convert wide (68 pin) SCSI to narrow (50 pin) SCSI with a 'half-terminator' cable adapter, such as http://www.ramelectronics.net/computer-parts/scsi/scsi-adapters/hd68/hd68-hd50-scsi-adapter-sm026a/prodSM026A.html (random google hit, I know nothing of this vendor)... this terminates the top half of the scsi BUS and passes the low half through. All SCSI controllers support narrow devices by design.