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Power Mac G5 :: 400 & 800 Firewire Ports Are Not Working?


3 times in the last week, my 400 & 800 firewire ports are not working. I am using a firewire hub with several external drives. I unplug everything, reboot and then they work. anyone know what is going on?

Information:
Power Mac G5
Mac OS X (10.4.2)


View 2 Replies (Posted: Dec 2, 2007)

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Here are some details about my G5:

Hardware Overview:

Machine Name:Power Mac G5
Machine Model:PowerMac7,3
CPU Type:PowerPC G5 (3.0)
Number Of CPUs:2
CPU Speed:2.3 GHz
L2 Cache (per CPU):512 KB
Memory:2 GB
Bus Speed:1.15 GHz
Boot ROM Version:5.2.4f1
Serial Number:XXXXXXXXXXXX

FireWire Bus:

Maximum Speed:Up to 800 Mb/sec

I have two FireWire 400 ports that aren't working. I normally use the FireWire 800 port, which works fine.

I've tried:


Resetting the NVRAM
Resetting the PRAM
Resetting the SMU


I haven't been able to run Apple Hardware Test, it is not on my install disc and I must have lost the separate Apple Hardware Test CD... annoying!

1) First Question - Can I do any more to fix the FireWire ports?

I also have a FireWire PCI card, which looks like this [URL]tem=N82E16815150103 though I can't be for certain that is that one (PCI card purchased by my business partner 4 years ago and was originally in a PC). It's got 3-ports (2x 800 and 1x 400).

2) Second Question - am I ok to install this FireWire PCI card into the G5?

(how do I identify for sure what make of PCI card it is?)

If so, which slot and how should I go about doing it?



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