.\"	$NetBSD: tr.4,v 1.15 2008/04/30 13:10:54 martin Exp $
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Christoph Badura.
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.Dd April 14, 1999
.Dt TR 4
.Os
.Sh NAME
.Nm tr
.Nd TROPIC based shared memory Token-Ring cards device driver
.Sh SYNOPSIS
.Cd "tr0 at isa? port 0xa20 iomem 0xd800 irq ?"
.Cd "tr* at isa? port ? irq ?"
.Cd "tr* at isapnp?"
.Cd "tr* at mca? slot ?"
.Cd "tr* at pcmcia? function ?"
.Sh DESCRIPTION
The
.Nm
device driver supports TROPIC I based shared-memory Token-Ring cards.
.Sh HARDWARE
Supported cards include the following IBM and 3Com models:
.Pp
.Bl -tag -width xxxx -offset indent
.It IBM
Token-Ring Network PC Adapter
.It IBM
Token-Ring Network PC Adapter II
.It IBM
Token-Ring Network Adapter/A
.It IBM
Token-Ring Network 16/4 Adapter
.It IBM
Token-Ring Network 16/4 Adapter/A
.It IBM
Token-Ring 16/4 Credit Card Adapter
.It IBM
Token Ring Auto 16/4 Credit Card Adapter
.It IBM
Turbo 16/4 Token Ring PC Card
.It IBM
16/4 ISA Adapter
.It IBM
Auto 16/4 Token-Ring ISA Adapter
.It IBM
Token Ring 16/4 Credit Card Adapter
.It IBM
Token Ring Auto 16/4 Credit Card Adapter
.It IBM
Turbo 16/4 Token Ring PC Card
.It 3Com
3C619 TokenLink
.It 3Com
3C319 TokenLink Velocity
.It 3Com
3C389 TokenLink Velocity PC Card
.El
.Sh SOURCE ROUTING
Setting IFF_LINK0 enables Token-Ring source routing.  Setting
IFF_LINK1 uses all-routes broadcasts otherwise single-route broadcasts
are used.
.Sh NOTES
The MCA attachment has been only tested on
IBM Token Ring 16/4 Adapter/A so far.
It doesn't support
.Xr ifmedia 4
yet, too.
.\".Sh MEDIA SELECTION
.\".Sh DIAGNOSTICS
.Sh SEE ALSO
.Xr ifmedia 4 ,
.Xr intro 4 ,
.Xr isa 4 ,
.Xr isapnp 4 ,
.Xr mca 4 ,
.Xr pcmcia 4 ,
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
driver
appeared in
.Nx 1.4 .
.Sh BUGS
The PCMCIA attachment does not work with the
.Xr cbb 4
CardBus driver.