Subject: Re: SCSI wiring
To: None <tech-kern@NetBSD.org>
From: der Mouse <mouse@Rodents.Montreal.QC.CA>
Date: 08/09/2005 14:22:10
>> I was thinking about connecting two SCSI buses with the data wires
>> switched around, so that one bus's D7 (and therefore ID 7) isn't the
>> same as the other's. [...]
> It would be easier to just reprogram the SCSI controller to use a
> different ID. Most of them support it.
> More importantly, the arbitration isn't going to work right if both
> systems think they're at ID 7 and the other is at ID 6. They will
> both try to use the bus at the same time.
Won't you have the same problems if you teach one of the SCSI chips to
use (say) ID 6? Won't they both think they are "the" host on the bus?
How would these two situations differ that makes one work and the other
Or am I just exposing my ignorance of SCSI? Is there a canonical
reference somewhere I can go read to Learn All About It?
/~\ The ASCII der Mouse
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