> Can anyone point to where this stuff is documented? I think the CHRP docs should document this... 3f8, 2f8 are just the legacy x86 i/o addresses for the first and second serial ports; I assume 898, 890 are the CHRP standardized addresses for the third and fourth? Segher ** Sent via the linuxppc64-dev mail list. See http://lists.linuxppc.org/