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-<table class="head">
- <tr>
- <td class="head-ltitle">DPT(4)</td>
- <td class="head-vol">Device Drivers Manual</td>
- <td class="head-rtitle">DPT(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">dpt</code> &#x2014; <span class="Nd">DPT EATA
- SCSI adapter 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">dpt* at isa? port ? irq ? dma ?</code>
- <br/>
- <code class="Cd">dpt* at eisa? slot ?</code>
- <br/>
- <code class="Cd">dpt* at pci? dev ? function ?</code>
- <br/>
- <code class="Cd">scsibus* at dpt?</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">dpt</code> driver provides support for third
- and fourth generation DPT SCSI controllers. All communication with the
- controllers is conducted via the EATA (Enhanced AT Bus Attachment)
- protocol.</p>
-<p class="Pp">DPT adapters examine and interpret all SCSI commands received
- before passing them to any underlying physical device(s). In this way,
- caching, RAID and other transformations are achieved while remaining
- transparent to the host operating system.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1>
-<p class="Pp">The <code class="Nm">dpt</code> driver provides support for the
- adapters listed below. Later models are supported by the
- <code class="Nm">iop</code> driver.</p>
-<p class="Pp"></p>
-<div class="Bd-indent">
-<dl class="Bl-tag Bl-compact">
- <dt>DPT SmartCache III</dt>
- <dd style="width: auto;">&#x00A0;</dd>
- <dt>DPT SmartCache IV</dt>
- <dd style="width: auto;">&#x00A0;</dd>
- <dt>DPT SmartRAID III</dt>
- <dd style="width: auto;">&#x00A0;</dd>
- <dt>DPT SmartRAID IV</dt>
- <dd style="width: auto;">&#x00A0;</dd>
-</dl>
-</div>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1>
-<dl class="Bl-tag Bl-compact">
- <dt><span class="Pa">/dev/dpt</span><var class="Ar">u</var></dt>
- <dd>control device for unit <var class="Ar">u</var></dd>
-</dl>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="DIAGNOSTICS"><a class="permalink" href="#DIAGNOSTICS">DIAGNOSTICS</a></h1>
-<p class="Pp">None of these messages should be encountered under normal
- circumstances. It should be noted that the list below is not complete.</p>
-<dl class="Bl-tag">
- <dt>dpt%d: readcfg failed - see dpt(4)</dt>
- <dd>The EATA configuration data did not appear upon request. This may be
- caused by older firmware. Generally the solution is to power-cycle the
- affected machine.</dd>
- <dt>dpt%d: spurious intr</dt>
- <dd>A spurious interrupt was received from the HBA.</dd>
- <dt>dpt%d: bogus status (returned CCB id NNNN)</dt>
- <dd>A corrupt or incomplete status packet was received from the HBA.</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">cd(4)</a>, <a class="Xr">ch(4)</a>,
- <a class="Xr">dpti(4)</a>, <a class="Xr">intro(4)</a>,
- <a class="Xr">iop(4)</a>, <a class="Xr">scsi(4)</a>,
- <a class="Xr">sd(4)</a>, <a class="Xr">st(4)</a></p>
-<p class="Pp">The <span class="Pa">sysutils/dptutil</span> package.</p>
-<p class="Pp">CAM committee standard CAM/89-004 - the EATA (Enhanced AT Bus
- Attachment) protocol.</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">dpt</code> driver first appeared in
- <span class="Ux">NetBSD 1.4.2</span>.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1>
-<p class="Pp">EATA adapters other than listed may function correctly with the
- <code class="Nm">dpt</code> driver, however a definitive list is not
- available.</p>
-<p class="Pp">Older boards that do not support scatter-gather I/O or DMA are not
- supported.</p>
-<p class="Pp">ECC formatted disk and arrays (i.e. with a sector size of 528
- bytes) do not work correctly with the PM2041 and certain firmware revisions
- of the PM3334.</p>
-</section>
-</div>
-<table class="foot">
- <tr>
- <td class="foot-date">December 7, 2002</td>
- <td class="foot-os">NetBSD 10.1</td>
- </tr>
-</table>