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+<table class="head">
+ <tr>
+ <td class="head-ltitle">SBNI(4)</td>
+ <td class="head-vol">Device Drivers Manual (i386)</td>
+ <td class="head-rtitle">SBNI(4)</td>
+ </tr>
+</table>
+<div class="manual-text">
+<section class="Sh">
+<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
+<p class="Pp"><code class="Nm">sbni</code> &#x2014; <span class="Nd">Granch
+ SBNI12 leased line modem driver</span></p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
+<p class="Pp"><code class="Cd">device sbni</code></p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
+<p class="Pp">The <code class="Nm">sbni</code> driver provides support for
+ leased line modems of following models:</p>
+<p class="Pp"></p>
+<ul class="Bl-bullet Bl-compact">
+ <li>SBNI12-02, SBNI12D-02</li>
+ <li>SBNI12-04, SBNI12D-04</li>
+ <li>SBNI12-05, SBNI12D-05, ISA and PCI</li>
+ <li>SBNI12-10, SBNI12D-10, ISA and PCI</li>
+</ul>
+<p class="Pp">and a kit for data link over a voice band:</p>
+<ul class="Bl-bullet">
+ <li>SBNI12-11, SBNI12D-11, ISA and PCI.</li>
+</ul>
+<p class="Pp">In addition to the standard port and IRQ specifications, the
+ <code class="Nm">sbni</code> driver also supports a number of
+ <var class="Va">flags</var> which can set baud rate, receive level, and low
+ three bytes of Ethernet MAC-address (high three are always
+ <code class="Li">00:ff:01</code>), because Granch modems are presented to
+ the system as Ethernet-like network cards.</p>
+<p class="Pp">The high byte of the <var class="Va">flags</var> is a bit field,
+ it is used to specify SBNI adapter receive level/baud rate:</p>
+<div class="Bd-indent">
+<dl class="Bl-tag">
+ <dt>Bits 0-3:</dt>
+ <dd>receive level (0x00..0x0f)</dd>
+ <dt>Bits 4-5:</dt>
+ <dd>baud rate number:
+ <p class="Pp"></p>
+ <dl class="Bl-inset Bl-compact">
+ <dt>00 -</dt>
+ <dd>0 baud rate (2Mb in fast mode/500kb in slow)</dd>
+ <dt>01 -</dt>
+ <dd>1 baud rate (1Mb/250kb)</dd>
+ <dt>10 -</dt>
+ <dd>2 baud rate (500kb/125kb)</dd>
+ <dt>11 -</dt>
+ <dd>3 baud rate (250kb/62.5kb)</dd>
+ </dl>
+ </dd>
+ <dt>Bit 6:</dt>
+ <dd>use fixed receive level
+ <p class="Pp">if bit 6 is set then receive level will be set according to
+ bits 0-3 value, otherwise receive level will be autodetected</p>
+ </dd>
+ <dt>Bit 7:</dt>
+ <dd>use fixed baud rate
+ <p class="Pp">if bit 7 is set then baud rate will be set according to bits
+ 4-5 value, otherwise baud rate is set to 2Mb</p>
+ </dd>
+</dl>
+</div>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1>
+<p class="Pp">The sources for the driver reside in:</p>
+<p class="Pp"></p>
+<dl class="Bl-tag Bl-compact">
+ <dt><span class="Pa">/sys/dev/sbni/if_sbni.c</span></dt>
+ <dd style="width: auto;">&#x00A0;</dd>
+ <dt><span class="Pa">/sys/dev/sbni/if_sbnireg.h</span></dt>
+ <dd style="width: auto;">&#x00A0;</dd>
+ <dt><span class="Pa">/sys/dev/sbni/if_sbnivar.h</span></dt>
+ <dd style="width: auto;">&#x00A0;</dd>
+</dl>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
+ ALSO</a></h1>
+<p class="Pp"><a class="Xr">arp(4)</a>, <a class="Xr">netintro(4)</a>,
+ <a class="Xr">ifconfig(8)</a></p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
+<p class="Pp">The <code class="Nm">sbni</code> device driver first appeared in
+ <span class="Ux">FreeBSD 4.6</span>.</p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
+<p class="Pp">The <code class="Nm">sbni</code> device driver for
+ <span class="Ux">FreeBSD</span> 4.x was written by <span class="An">Denis I.
+ Timofeev</span>, partially based on <span class="An">David Greenman</span>'s
+ <a class="Xr">ed(4)</a> driver. Earlier versions (available on
+ <span class="Pa">ftp.granch.com</span>) were written by
+ <span class="An">Alexey V. Zverev</span>.</p>
+<p class="Pp">SBNI12 hardware was designed by <span class="An">Alexey V.
+ Chirkov</span>.</p>
+</section>
+</div>
+<table class="foot">
+ <tr>
+ <td class="foot-date">January 8, 2002</td>
+ <td class="foot-os">FreeBSD 15.0</td>
+ </tr>
+</table>