On Jan 19, 2006, at 5:02 AM, Bruce Ryan wrote:
If you've read it
• Gbookers: what can I do to get at least one of the external
drives, when in the new firewire case, mounting on the Pismo?
ROFL "It's a computer, you're swearing at it; perfectly normal
behavior" I think I just found another .sig for the collection :->
Well, at this point you can tell that everything works, just not all
together.
Start random neuron firing:
Try resetting the PRAM on the Pismo. Since it's FWTDM capable, some
FW settings must be stored in the pram. It can't be the OS, since you
ruled that out.
Is this a bus-powered FW case? Is there an auxiliary power supply for
it?
My suspicion is that the FW ports are functional as data ports, but
something's causing them to not supply sufficient power to the case;
everything that *works* on the Pismo is self-powered: your friends
iBook, the iPod.
Not knowing how the FW cases are constructed, it may be that the
designers cheaped out, even if they have a power supply, perhaps the
FW interface itself is bus-powered, and the drive from the PS in the
case, if there is one (that way they can use the same circuit for
both bus-powered and self-powered devices.)
A powered FW hub would also sort this out if that's the issue.
Specs exist for the voltage/current that's supposed to be supplied b
the FW bus, a little time with a VOM should tell you what the Pismo's
ports are supplying.
And as a final note...my little bus-powered 2.5" FW case will behave
just like that when it's cold, such as when I've just come in from
riding to work in the morning: green light on, but no drive mounted.
Once it warms up it works just fine, and I HAVE had more issues
connecting it to my Pismo than my desktop systems, come to think of it.
--
Bruce Johnson
"No matter where you go, there you are", B. Banzai
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