On Tue, Jul 08, 2014 at 06:35:30AM +0000, Emmanuel Dreyfus wrote: > ixg0: PCI Express Bus: Speed 2.5Gb/s Width x8 > > Is it 2.5 Gb/s maximum (in which case I hit that limit), or 2.5x8 = 20 Gb/s > in which case I still have room for improvment.
That printout is confusing and does not match any PCIe variant I know of. I can only guess that it means 2.5G transfers per second (not bit), which then would mean a ~2Gbit/s bandwidth times x8 so 2GB per direction overall (PCIe 1.0). Martin
