Link speeds showing wrong, terminal command needed...

Hi, I have what is either a bug in 10.4.10 on my Mac Pro, or something else wrong.
In the Network Utility, my Ethernet (en0 and en1) both show incorrectly as 10Mb links.
They should be, and are, 1Gb.
Plugging my MBP into the ports shows this as true, as does my Fluke meter.
So...is there a way to show this info in the terminal to see if it's a GUI mistake or other issue?
I don't know if that's the only way - or even a good way to test, so if anyone has better ideas, I'm all ears.
I'm concerned as I just had a new logic board installed, and don't know if it's faulty.
Scott

We are experiencing the same issue on every Mac Pro that we have and they are all running 10.4.10. (We just received 25 for campus and more are on the way). It happens booted to a netboot image as well as a production OS.
To answer your question, you can open terminal and type:
ifconfig en0 | grep media
or en1 if you are using the seond nic card. Next to media you will probably see autoselect (10baseT/UTP).
you can change the link speed from here that will work as long as the machine isn't restarted by typing:
sudo ifconfig en0 media 1000BaseT
to force the speed to gigabit or you can change it in System Preferences.
Obviously annoying and can be a time waster, especially if you are dropping an 8 GB image on a machine and it should take 15 minutes and it takes over 2 hours! Hope we get an answer soon.

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