chmod-uk Posted December 15, 2012 Share Posted December 15, 2012 Hi, my motherboard is an Asus p5q with the built in Atheros lan chipset l1e. I'm running Snow leopard with the Attansicl1e kext. If i use my 100mbps switch the lan speeds are fast as they should be, around 10 to 12 megabytes a second transfers, but when i use my gigabit switch it really struggles to achieve anything near half of that. The switch light for my lan port is green ( gigabit enabled ) so it auto negotiated fine but the speeds are really sluggish, i would say something like 2 to 5 megabytes a sec. This is the thing though, when i boot into windows, the card runs great at gigabit full speed ( 40 to 60 megabytes a sec ). All tests are done with a large iso file from my linux server over samba. I've ordered a realtek 8169 based card to try instead of this onboard Atheros so i'll give that a go, but i would like to get the onboard working at full gigabit speeds if possible. Link to comment Share on other sites More sharing options...
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