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@@ -315,6 +315,15 @@ This machine is deprecated because we have enough AST2500 based OpenPOWER
machines. It can be easily replaced by the ``witherspoon-bmc`` or the
``romulus-bmc`` machines.
+PPC 405 ``taihu`` machine (since 7.0)
+'''''''''''''''''''''''''''''''''''''
+
+The PPC 405 CPU is a system-on-a-chip, so all 405 machines are very similar,
+except for some external periphery. However, the periphery of the ``taihu``
+machine is hardly emulated at all (e.g. neither the LCD nor the USB part had
+been implemented), so there is not much value added by this board. Use the
+``ref405ep`` machine instead.
+
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