On Sun, Feb 10, 2013 at 5:58 PM, Len Ovens <len@xxxxxxxxxxxxx> wrote:
not really. the drivers for RME devices are PCI-species independent. the PCI bus doesn't really exist for them, which is why the same driver can interact with the (old) cardbus version as if it is directly on the bus. drivers see address spaces and registers, not the bus.
RME devices do not load "firmware". What gets loaded is really just some configuration data for the I/O box.
Two linux drivers to consider. The PCIe stuff in the kernel is probably
optimized for throughput to make the best use of Video cards, fast ether
net, etc. Means larger chunks of data for less overhead. Maybe higher
latency too. It shouldn't be as it is faster than PCI which handled things
just fine. The extra throughput should actually help for higher channel
counts. (from reading though some of the docs on netjack)
not really. the drivers for RME devices are PCI-species independent. the PCI bus doesn't really exist for them, which is why the same driver can interact with the (old) cardbus version as if it is directly on the bus. drivers see address spaces and registers, not the bus.
>
> - perhaps newer firmware is needed
Both ends of the PCIe IF have firmware.
RME devices do not load "firmware". What gets loaded is really just some configuration data for the I/O box.
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