144 lines
3.3 KiB
Groff
144 lines
3.3 KiB
Groff
.\"
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.\" Copyright (c) 2004 Tom Rhodes
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 4, 2004
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.Dt SNC 4 i386
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.Os
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.Sh NAME
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.Nm snc
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.Nd National Semiconductor DP8393X SONIC Ethernet adapter driver
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.Sh SYNOPSIS
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.Cd device isa
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.Cd device snc
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the
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.Tn National
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.Tn Semiconductor
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.Tn SONIC
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Ethernet adapters.
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.Sh HARDWARE
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The
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.Nm
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driver supports the following cards:
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.Pp
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.Bl -bullet -compact
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.It
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National Semiconductor DP83934AVQB
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.It
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NEC PC-9801-83
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.It
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NEC PC-9801-84
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.It
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NEC PC-9801-103
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.It
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NEC PC-9801-104
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.It
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NEC PC-9801N-15
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.It
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NEC PC-9801N-25
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.It
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NEC PC-9801N-J02 PCMCIA
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.It
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NEC PC-9801N-J02R PCMCIA
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.El
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.Pp
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The
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.Nm
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driver also includes support for the
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.Tn National
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.Tn Semiconductor
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.Tn NS46C46
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as
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64 * 16 bits Microwave Serial
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.Tn EEPROM .
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.Sh IMPLEMENTATION NOTES
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Accessing
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.Tn SONIC
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card data structures and registers as 32 bit values
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makes code endianess independent.
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The
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.Tn SONIC
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is however always in big-endian mode so it is necessary to
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ensure that data structures shared
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between the
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.Tn CPU
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and the
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.Tn SONIC
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card are always in big-endian order.
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The
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.Nm
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driver supports the
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.Tn PC-98
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C-Bus,
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and
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.Tn PnP
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buses.
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Support is also provided for the legacy C-Bus.
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.Sh DIAGNOSTICS
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The following driver specific error messages
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may be reported:
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.Bl -diag
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.It "snc%d: snc_nec16_register_irq: unsupported irq (%d)"
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The card returned an
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.Tn IRQ
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which is not supported by the driver.
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.It "snc%d: invalid packet length %d bytes"
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An attempt to transfer a data packet failed due to an
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invalid packet length.
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.El
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.Sh SEE ALSO
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.Xr card 4 ,
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.Xr netintro 4 ,
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.Xr bus_alloc_resource_any 9
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.Sh HISTORY
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The
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.Nm
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driver was ported from
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.Nx
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by
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.An -nosplit
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.An Motomichi Matsuzaki Aq mzaki@e-mail.ne.jp
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and
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.An Hiroshi Yamashita Aq bluemoon@msj.biglobe.ne.jp .
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It first appeared in
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.Fx 4.2 .
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This manual page first appeared in
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.Fx 5.3 .
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.Sh AUTHORS
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This manual page was written by
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.An Tom Rhodes Aq trhodes@FreeBSD.org .
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.Sh BUGS
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Currently the
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.Nm
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driver only works on the
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.Tn PC-98
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architecture.
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It should probably work on the i386 architecture
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as well.
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