Q-bus I/O project

Paul Koning paulkoning at comcast.net
Sat Oct 10 10:38:45 CDT 2015

> On Oct 9, 2015, at 9:38 PM, John Wilson <wilson at dbit.com> wrote:
> ... it's
> supposed to be a Q-bus bridge that connects over Ethernet), but I wanted to
> still be able to do something fun in the very likely case that the Ethernet
> port doesn't work (no idea if my PCB layout is kosher for something as fast
> as the gigabit PHY's bus) or has uselessly high latency, ...


Did you check the PHY latency for GigE?  I know it's insanely large for 10G-BaseT, but I don't remember if GigE is still reasonable.


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