D. Lance Robinson wrote:
>
> When mixing narrow and wide devices you must only use the first eight
> scsi ids. If you don't, scsi arbitration will not work correctly. The
> scsi bus uses the data bits to arbitrate for the bus. A narrow device
> does not see the upper eight arbitration bits and can fowl things up.
> Your wide devices can still work in wide mode, but their addresses
> should be set between 0 and 7 where the narrow devices can see them for
> arbitration.
>
Is this true?? I have never heard this mentioned before, I just looked
through my Adaptec 2940UW Manual, in the SCSI ID Numbers section it
says NOTHING like this... This would be a big hole in the SCSI standard
if you can't have more than 7 devices if you use ANY narrow devices. My
current system in which I have had no problems:
IDs
============
0,8 - Wide
1,2,3,4,5 - Narrow
Mark
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