What is the basic diferences between SCSI-1, SCSI-2 and SCSI-3? How can
i identify a HD and an interface with this specification, if it isn't in
the manual? Are they compatibles? Can i use a SCSI-3 HD on a SCSI-1
interface, or a SCSI-1 HD on a SCSI-3 interface? I have a DEC2000 AXP
server with on-board SCSI adaptor on my network and i want to put a new
HD but i can't identify the interface specification.

TIA
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Ubiratan C. Peleteiro
Laboratsrio de Computagco Grafica
Centro de Artes - UFES
Av. Fernando Ferrari S/N
Campus de Goiabiras - Vitsria - ES
Tel.: 335-2562
FAX:  335-2567
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Visite:
        http://www.ufes.br
        http://www.car.ufes.br