diff --git a/share/man/man4/le.4 b/share/man/man4/le.4 index 829b80510a3b..ad4e4194dda8 100644 --- a/share/man/man4/le.4 +++ b/share/man/man4/le.4 @@ -79,17 +79,24 @@ driver also supports PCnet adapters based on the .Tn AMD 79C9xx family of chips, which are single-chip implementations of a .Tn LANCE -chip and +chip and a DMA engine. +This includes a superset of the .Tn PCI -bus interface. -This includes most of the adapters which are also supported by the +bus Ethernet chip sets supported by the .Xr pcn 4 driver. The .Nm -driver does not support all features of these adapters however, thus the +driver treats all of these +.Tn PCI +bus Ethernet chip sets as an +.Tn AMD Am79C970 PCnet-PCI +and does not support the additional features like the MII bus and burst mode of +.Tn AMD Am79C971 PCnet-FAST +and greater chip sets. +Thus the .Xr pcn 4 -driver should be preferred. +driver should be preferred for the latter. .Pp The .Nm