Onboard LAN Question for ASUS Sabertooth 990fx R1.0

dlefik2014

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Mar 9, 2015
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Hi everybody. New here to thee site and got a question about the onboard LAN for my motherboard. The motherboard is the Saberooth 990fx. It's not the R2.0 version if that helps any. I originally bought the board in 2012. I backtrackeed on my newegg order history and found the link to the board if anyone could look at the specs.

http://www.newegg.com/Product/Product.aspx?Item=N82E16813131736

Now, according to the specifications, it says the onboard lan is Realtek 8111E with max lan speeds of 10/100/1000 mbps. For some reason though, HWinfo is reporting my max LAN link speed for this board being only 100mbps which is confusing me.

Here's the hwinfo shot for the motherboard.

hwinfo_mobo_1.jpg


and then the shot for the onboard lan.

hwinfo_lan_1.jpg


I'm just really confused why I'm not able to get 1000 mbps speeds on my LAN connection with this NIC even though the boards description is saying 10/100/1000. Running hwinfo on my other LAN computers shows the max link speed being 1000 mbps.

If it helps any, this is a relatively fresh OS install running windows 7 professional 64 bit. I also went in and manually set the Speed & Duplex setting to 1.0 Gbps Full Duplex in the advanced properties for the NIC and made no difference.

So, was this an error on ASUS's part in labeling the onboard lan 10/100/1000 or could this just be a fault of the motherboard itself? I know it seems kind of weird to ask this 3 years afterr buying the board but it's only something I've just recently paid attention to since I've gotten myself a gigabit router and trying to get faster connections between my home PCs. If you need any other info, please ask. I just tried to give what I thought was relevant to the question.
 

dlefik2014

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Mar 9, 2015
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Actually I seem to have solved the problem and the solution was kind of weird. All I did was unplugged the cable going from the PC and plugged it into a different port on the gigabit router. Sure enough, the lan light on the motherboard went from orange to green, hwinfo shows max speed of 1.0 gbps. Did a 6gb file transfer from my PC to another one and speeds went from the ~12MB/s I was getting before to ~125MB/s. Works for me. :)