Something worth reading (for laughs, if not actual insight) is theDavid Littlewood said:That's great; I wish you could share your secret. I have rarely been
able to get two devices to work on the same chain, whatever combination
of terminators/no terminators, permutations of device numbers etc. I
tried. Life is too short to waste on stuff like that...
SCSI FAQ where FAQ means "facetiously" answered questions:
The relevant part is, under Types of SCSI:
3. Fast and loose SCSI. Often used in PCs. Has a few small variations
from the official SCSI specification but works quite well as long as
you never install new equipment or change the configuration.
Another relevant part, and one reason SCSI has failed:
In practice, SCSI-2 didn't work either. The industry's response to this
was SCSI-3, which introduced thicker, sturdier, stronger, heavier, and
far more expensive cables. [With 68 pins!]