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You are here: MacNN Forums > Enthusiast Zone > Networking > Mid-2007 Mac mini not recognizing Gigabit ethernet

Mid-2007 Mac mini not recognizing Gigabit ethernet
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Mac Elite
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Jan 26, 2013, 12:15 AM
 
I have had this Mac mini running since I bought it in 2007, ethernet humming along perfectly on 100base all that time. It currently runs 10.7.5 Server.

I just upgraded the switch to Gigabit and the Mac mini only neogtiates 100base. If I set it to 1000baseT manually in System Preferences->Network->Ethernet->Advanced->Hardware, it just cycles through Cable unplugged and Cable not connected (orange, red light). When set to automatic, it sets to 100base and performs as expected.

The kicker is that I have a late 2006 Macbook (10.6.8) that, when plugged into the same line, negotiates Gigabit just fine. I was transferring files at 80MB/sec. What can I do in this situation? What is the deal here? I know the NIC should be capable of Gigabit, but it refuses to do so.
( Last edited by abbaZaba; Jan 26, 2013 at 12:31 AM. )
     
Mac Elite
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Jan 27, 2013, 04:08 PM
 
This is disheartening. I am at a loss as to why this Mac mini refuses to do gigabit, but apparently I am not alone in this predicament. Pretty salty.
     
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Jan 27, 2013, 08:43 PM
 
Are you using the same cable for both machines? A damaged cable can reduce speeds.
I have plenty of more important things to do, if only I could bring myself to do them....
     
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Jan 28, 2013, 01:05 AM
 
same cable, same port on the switch. have tried different ports on the switch. have tried different cables. it has to be something with the Mac mini. I have found some threads on Apple Discussion board with issues with Mac mini NIC, but none that exhibit the same symptoms: 100base works perfectly fine, but not gigabit.
     
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Jan 29, 2013, 03:32 AM
 
What switch did you upgrade to?
     
Mac Elite
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Jan 29, 2013, 04:09 PM
 
Trendnet model #TEG-S50G

Remember, the other devices (older and newer) I tried on the same line negotiate Gigabit just fine.
     
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Feb 2, 2013, 06:58 PM
 
I have a 2007 Mini. I'll plug it into something and see what mine does when I get a sec.
I have plenty of more important things to do, if only I could bring myself to do them....
     
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Feb 5, 2013, 02:03 PM
 
Originally Posted by Waragainstsleep View Post
I have a 2007 Mini. I'll plug it into something and see what mine does when I get a sec.
Didja get around to that yet?
     
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Feb 20, 2013, 08:33 PM
 
OK, so I finally got around to it. I had to rebuild the OS since I tried upgrading it to Mountain Lion and it wouldn't boot anymore.

Hooked up to a Draytek Vigor 2850 router the System preferences listed the speed as 1000Base-T.

I transferred a 2.7GB file in about 90 seconds or so. Not blinding but certainly better than 100Mbit.

I was running 10.7.0 I think. Not a clean copy. It was upgraded from 10.7.5 to 10.8 then downgraded again. Hope that helps.
I have plenty of more important things to do, if only I could bring myself to do them....
     
   
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