[G4] Dead FW ports

Mon Jul 14 21:34:43 PDT 2003

Did the controller show up? or just not the devices you plugged into it? 
IE when you are in the Apple System Profiler does it say:
FireWire Information -> Device not found 

Or does it say 
FireWire Information -> FireWire (built-in) 

and just not list any devices. 

I guess it really makes me wonder since I assume you are using the same 
devices, and are reporting two dead machines with bad FW ports if there 
really isn't something else going on. Like a bad cable, crosstalk, a 
device is drawing too much power, flaky chipset, corrosion, etc. etc. 

I know I have a really early ADS Pyro case that won't work with the G4 
although it works fine with the 8500 and the firewire card. I was 
supposed to send that in on a recall but forgot to do it. It was actually 
really flaky for a long time with detection before I got it working. 

I am NOT saying you are wrong. I just think it is odd. And if the ports 
are in fact dead I would seriously be leary that something that is shared 
between the machines is actually causing maybe a power surge or whatever. 

Sean 

On Mon, 14 Jul 2003, Diannah Morgan wrote:

> I did check system profiler....is said,
> firewire device not found on the dead machines
> 
> <-----Original Message-----
> <From: Power Macintosh G4 List [mailto:G4 at lists.themacintoshguy.com]On
> <Behalf Of Sean
> <Sent: Monday, July 14, 2003 5:48 PM
> <To: Power Macintosh G4 List
> <Subject: Re: [G4] Dead FW ports
> <
> <
> <2x check for firmware upgrades that particular set of machines
> <did have
> <them and I think there was one that did in fact affect FW.
> <
> <I would also 2x apple system profiler to see if they show up there. If
> <they do it might be a conflicting driver issue or something similar.
> <
> <(i didnt read the whole message, but those are the first
> <things I would
> <check.)
> <
> <
> <
> <On Mon, 14 Jul 2003, Diannah Morgan wrote:
> <
> <> Hmmmm. interesting point.
> <> I never thought that using the same card might cause a problem.
> <> I do all that from the same port on my dual gig, through a
> <powered hub.
> <> Camera, deck and drives.
> <>
> <> <-----Original Message-----
> <> <From: Power Macintosh G4 List
> <[mailto:G4 at lists.themacintoshguy.com]On
> <> <Behalf Of Brian Conner
> <> <Sent: Monday, July 14, 2003 8:52 AM
> <> <To: Power Macintosh G4 List
> <> <Subject: Re: [G4] Dead FW ports
> <> <
> <> <
> <> <AFAIK, the FW bus is integrated on the logic board. Two ports,
> <> <one bus. If
> <> <it's blown, I think the only option is a new logic board.
> <> <
> <> <Someone suggested a PCI FW card. Should work fine, as long as
> <> <you're not
> <> <capturing to or from a FW drive on the same card as your deck.
> <> <Even then,
> <> <most of the time, it will handle the bandwidth, depending on
> <> <your G4. You
> <> <probably have a second drive for media files in those G4s, right?
> <> <
> <> <YMMV.
> <> <
> <> <
> <> <Brian Conner
> <> <
> <> <
> <> <-----Original Message-----
> <> <From: Power Macintosh G4 List
> <[mailto:G4 at lists.themacintoshguy.com] On
> <> <Behalf Of Diannah Morgan
> <> <Sent: Monday, July 14, 2003 10:26 AM
> <> <To: Power Macintosh G4 List
> <> <Subject: [G4] Dead FW ports
> <> <
> <> <
> <> <Hi,
> <> <
> <> <I've got some old G4-400's in a classroom and I believe I have
> <> <dead FW ports
> <> <in some of the machines.  Apple profiler can't find the
> <> <devices.(Usually it
> <> <says
> <> <"built-in")
> <> <
> <> <I'm pretty handy inside a machine.  Is there a website that explains
> <> <swapping them out for new components?  And where's a good
> <place to get
> <> <newones? (is it as simple as swapping out a modem for a
> <stealth serial
> <> <port?)
> <> <
> <> <Or am I stuck getting new mother boards.
> <> <
> <> <
> <> <----------
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