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Authored by: greed on Friday, June 08 2012 @ 03:30 PM EDT |
Hmmm, I question your recollection. In particular, SCSI does not use the term
"bus master". A SCSI device that can place a command on the bus is
called an "initiator".
I have never seen a version of SCSI that doesn't allow multiple initiators. As
long as each initiator has a different SCSI address, slow/narrow parallel SCSI
supported it just fine.
What I have seen is, a lot of truly awful SCSI cards that have driver software
that assumes there is only one initiator; that do not allow you to change the
SCSI address of the initiator; that play fast and loose with the electrical
requirements of the SCSI bus (25-pin D-shell connector especially); and so on.
I've even used, on PCs, "SCSI" disks that only worked with the same
brand of controller--60MB 5.25" half-height Seagates spring to mind
immediately.
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