.\" $NetBSD: eh.4,v 1.2 2000/12/20 23:11:26 bjh21 Exp $
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.\" Copyright (c) 2000 Ben Harris
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.Dd December 20, 2000
.Os
.Dt EH 4 arm26
.Sh NAME
.Nm eh
.Nd i-cubed EtherLan 100/200/500-series (EtherH) Ethernet driver
.Sh SYNOPSIS
.Cd eh* at podulebus0 slot ?
.Sh DESCRIPTION
The
.Nm
driver provides access to a 10 Mb/s Ethernet network through an
i-cubed EtherLan 100-series, 200-series or 500-series expansion card.
It also supprts the Acorn-badged variants of the same cards, with part
numbers
.Tn AEH75 ,
.Tn AEH77
and
.Tn AEH79 .
.Pp
Media selection on cards supporting multiple media can be accomplished
either using
.Xr ifconfig 8
or using links on the card.  The links override the software and make the
card behave as if only one medium is available.  The media available are:
.Bl -tag -width 10baseFL
.It auto
Automatically select 10baseT or 10base2.  10baseT will be used if a link
beat appears to be present on that interface.  Otherwise, 10base2 will be used.
.It 10baseT
10baseT, 10Mb/s over unshielded twisted pair, RJ45 connector.
.It 10base2
10base2, 10Mb/s over coaxial cable, BNC connector, also called Thinnet.
.El
.Sh SEE ALSO
.Xr ifmedia 4 ,
.Xr ne 4 ,
.Xr netintro 4 ,
.Xr podulebus 4 ,
.Xr ifconfig 8
.Sh BUGS
EtherLan 500-series support is untested.
.Pp
The 10baseFL port on the EtherLan 513 will probably be identified as 10base2.
.Pp
The driver can't detect the type of MAU plugged into an EtherLan 200-series
card.