<<Help! somebody droped off this three and a half inch SCSI drive and I cant id it. I deal with wide SCSI all the time, so this 80 pin connector makes me frumple.. I have to know what this is! Model # HP/quantum D-3583 80 pin SCSI. It has a 80 pin high density connector and no std. power in as well as no-jumpers. What is this thing?>> The HP D3583[A or B] is a 4.2GB Fast Single-ended SCSI hot-swap drive for the NetServer line (and maybe other uses also). The "A" part number is the old "beige-grey" color of the NetServer LS/LH/LC models; the "B" part is the new "pink-grey" color that matches the current LH, LX, and PX servers. The actual drive mechanisms supplied under this part number may be Quantum or IBM (or probably others; we have 5 of them; 3 are Quantums, 2 are IBM; I'd expect that there are also Seagates out there, and maybe Maxtor and Micropolis). From what I remember from the installation, the actual Quantum mechanism is an SCA version of the XP34300; don't know about the IBM. I'm fairly sure that these drives are 8-bit SCSI; the connector supports Wide SCSI, but there's no indication that HP used 16-bit drives. The 80-position connector is what is called "Single Connector Attachment", a.k.a. "SCA". The SCA spec defines the combined signal+power+SCSI ID interface typically used for hot-swap drives like these. Termination and SCSI ID selection are actually handled on the enclosure that contains the SCA drives. Steve Dirickson WestWin Consulting (360) 598-6111 [log in to unmask]