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Here comes the real McCoy! Attaching each of the three drives as master to their own IDE channel results in a utilization of the full bandwidth of the 32 Bit PCI bus!
Some users may want to use four drives at only two channels in order to have a larger capacity. Surprisingly, this does not lead to a maximum transfer rate that is higher than 75 MB/s. However, the minumum rate of 72 MB/s is amazing.
Splitting the stripeset to three channels improves performance to almost 100 MB/s and a minimum of 76 MB/s.
This seems to be the best configuration for power users. Still it is not much faster than the configuration with three drives, each with their own channel.