George Mogiljansky wrote:
> Hi Bruce, 
> Here's what Pinnacle has to say:
> http://www.pinnaclemicro.com/faq/mac1.htm
> or
> "use SCSI ID #2".

Uhh, I don't know what they were smoking when they wrote that. No two 
SCSI chains I've ever seen were alike...though some scanners are picky, 
want to be either the first or last devices on the chain.


>  But on this drive it says "Internal active terminator
> (short on)" on the back panel; also Test, Parity,
> ID(Binary) - 2, 1, 0: all of these have an engraved
> line leading to a pair of pins that can be jumpered -
> but how? (Previous owner used the device on a Sun
> machine (help!)).

Ahh, light dawns...You need to go to an electronics shop (a real 
one...if you go someplace like Radio Shack you'll get this dazed 'deer 
in the headlights' stare if you actually ask for an electronic compnent 
there anymore) and get some jumpers, teensy little plastic things that 
slip over the pairs of pins (from top to bottom.) Take your drive with 
you to show 'em which ones, there are a couple of different sizes.

ID 2,1,0 are the sets of pins I mentioned in my post. Just hold up the 
drive or the message upside down ;-)

As for Terminator, Test and Parity, leave them all unjumpered. If you 
need to terminate the chain you can put a jumper on the Termination set, 
but I usually use external ones, so I can reassemble/add/delete devices 
without having to disassemble the drives.

It's odd, though, usually external cases have switches set up on the 
back to handle these issues, and a little ribbon cable that connects to 
those pins. I don't have many on *my* stuff but that's because they're 
an awful mishmash of scrounged bits, none of the cases are holding what 
they originally held...

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs



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