On 08/17/2016 01:07 PM, j...@cimmeri.com wrote:

  Hi, folks.

I'm experimenting with various old SCSI tape drives to see which
will work with my PDP-11/34 with an Emulex SCSI card.

  To my surprise, not all SCSI tape drives are created equal.
Right, there was SCSI, SCSI-II and SCSI-III. Also, a lot of drives did not correctly support SOME features that others did. it got VERY messy. Other drives had weird timing restrictions, or certain commands must be given is a specific order, or they caused an error or lack of response.

Jon

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