I know in 1.2, there were some issues… are they resolved in 2.0???
Here are the commits and bug fixes: http://redmine.pfsense.org/projects/pfsense/roadmap
This should help you find what you are looking for.
SuperMicro 1U 2X Intel pro/1000 Dual Core Intel 2.2 Ghz - 2 Gig RAM
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