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From: Dale Rahn (drahndalerahn.com)
Date: Tue Sep 14 2010 - 13:54:16 CDT
On Tue, Sep 14, 2010 at 01:45:23PM -0400, Kurt Mosiejczuk wrote:
> Miod Vallat wrote:
> >> G4 powermac (dmesg below) which has 4.7 (although it looks like the
> >> drivers in this case haven't changed).
> > gem(4) media support is limited by the PHY it is connected to. Your
> > machine has a particular brgphy(4) model which can only do 100Mb/s and
> > 1Gb/s.
> > I have a gem(4) here connected to a bmtphy(4), which can do 10Mb/s and
> > runs fine in that configuration.
> The confusing part is these machines support 10Mbit in OSX. And the
> link light is on when you power on, it's only when OpenBSD boots that it
> goes away. Are there some revisions that do 10Mb/s that are still BCM5400?
Some apple machines have two different phys. Multiple phy support does not exist on OpenBSD
mostly since it has nearly never been seen except for Apple systems.
The second phy is ignored on these systems.
Dale Rahn drahndalerahn.com