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Compatibility of SCSI-2 and SCSI -3

I have HP surestore RAID with SCSI-2, I have to interface with SCSI - differential. I want to know whethre this is possible.
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nateshav
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nateshav
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sorgieCommented:
I believe you will find that it will work but it will operate at the slow rate
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philiph_elvisCommented:
Regular SCSI (be it SCSI-2 or 3) is incompatible with differential scsi at the electrical signaling level.  You can damage differential devices if you connect them to single-ended (non-differential) controllers.

There is no way to connect your RAID device to your differential SCSI controller.  You must install a non-differential SCSI-2 controller.
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nateshavAuthor Commented:
HP surestore RAID device requires scsi-2  wide differential controller. My question is will it accept SCSI -3 differential controller?

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philiph_elvisCommented:
Maybe you should modify your question?  I'm confused as to exactly what you are asking.

Going by your last comment, the answer is no.  SCSI-3 differential (Low Voltage Differential) is different than SCSI-2 differential.  You can't mix and match them.

So you still need to use the correct SCSI-2 differential controller (and they are very expensive).
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sorgieCommented:
As long as the device is not an HVD(high voltage differential) you should be ok.
SE, LVD and SE/LVD devices will work with that controller.

Unless your equip is old devices in the modern PC environment are no HVD
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