[SunRescue] scsi cable order

[steve price]

also, if all three external boxes are true sun boxes,
there is a preferred order on the external chain as to
narrow, wide, fast etc.

--- jeff borisch <jeff at sonicrim.com> wrote:
> Good advice about termination.
> 
> Sometimes it is worth it to check if an external box
> is terminated
> internally with a jumper on the drive's circuit
> board, an internal
> terminator or a termination switch somewhere on the
> case. I've seen that be
> a problem. 
> 
> Put that device at the end obviously, or remove the
> jumper or other source
> of termination and just use an external terminator
> on the plug on the case.
> 
> Also, the magical nature of scsi can make things
> "just not work" as well as
> "just work". The order of cables and devices /can/
> make the difference. Seen
> it myself, mmmmmm. 
> 
> Unfortunately with three external boxes and three
> cables to work with you
> have 36 possible configurations. The good news is
> most of them will probably
> work.
> 
> 
> jcarver wrote:
> 
> > The order of the boxes isn't important. Make sure
> that the
> > address number in the window on the back of the
> external
> > device has not changed, i.e. CD is still @ 6, etc.
> and make sure
> > that the terminator is installed on the last box
> in the chain. I am
> > assuming that these are all Sun boxes that have an
> internal device
> > terminated.
> > 
> 
> I can't remember if the IPX needs the internal drive
> terminated or not. From
> what I understand the ss2's drives are on the bus
> with 'stubs' and don't
> need to be terminated.
> 
> -- 
> 
> 
> _______________________________________________
> Rescue maillist  -  Rescue at sunhelp.org
> http://www.sunhelp.org/mailman/listinfo/rescue


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