I can confirm the issue here. Just installed 2.4 on a 1,25 GHz Mac Mini. It's hooked up directly to a Zyxel P2602HW-D1A DSL router. Both PC, Mac and Sam440 get excellent speeds (around 2MB/sec) while I get between 512bytes and 30KB/sec on the Mini.

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Edit: It seems that after a reboot I get sporadically better results. I've seen up to 600K/sec but then all of a sudden it drops the connection completely or just slows down again. Still nowhere near the 2MB/sec, but it does smell a bit of negotiation problems.

[ Edited by Trezzer on 2009/10/29 15:20 ]