Ports 9 and 10 can be easily configured to work in 1G mode, instead of the 10G mode that the board ships with.
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Locate SM1 jumper
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Cut the track between the two pads with a scalpel.
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You can resolder it to re-enable 10G operation.
For port 0, the process is a bit more involved, and is detailed in this forum post.
Once the UbiSwitch management software is released, this will all be possible via software.