Hello Mike

  MGS> A SCSI chain is required to have two, and *exactly*
     > two, terminations. One is built-into the controller,
     > and the other must be supplied at the end of the
     > chain.

I realise that I'm nit-picking here:  you're right of course
that a SCSI chain should be terminated at each end, but the
host adaptor isn't always at the end of the SCSI chain, so
is not always terminated.

- Andy Ball.