[Info-vax] Device numbering in a "Pizza Box"

[Christoph Gartmann]

In article <rPOdnS9tCv3icVLUnZ2dnUVZ_jWdnZ2d at giganews.com>, "Richard B. Gilbert" <rgilbert88 at comcast.net> writes:

>The BA353-AA has three small DIP switch packs on the rear next to the 
>SCSI connector.  These DIP switches are used to set the drive ID of the 
>drives in the three drive bays.

Ok, I found these DIP switches behind a bezel. They were barely visible (the
case stands in a rack, surrounded by a lot of other stuff).

>Now the drives themselves can be jumpered if someone is prepared to take 
>the drive out of the caddy, install berg jumpers, and put it back in the 
>caddy.  Doing so is NOT a good idea.

Nevertheless I had to do this. There seems to be no standard or the standard
has changed over time concerning the little plug for the SCSI-IDs and LED.
In addition, the location of the harddive connectors varies a little bit. That
is, you have to tweak or force this translucent cable thing quite heavily
with HGST or Fujitsu drives. Seagate drives fit perfectly. But the SCSI-ID
setting is weird. So I ended up covering the appropriate harddrive connector
with a tape and sat the jumper on the drive itself :-(

Before that I got varying/conflicting results with SCSI-IDs depending on the
manufacturer of the drive (e.g. an ID of 15, always ID 1 regardless of the
slot,...).

Regards,
   Christoph Gartmann

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