&nbsp;writeAll(java.nio.ByteBuffer&nbsp;dst)
                                throws java.io.IOException</pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
</dl>
</li>
</ul>
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<h4>preparePutData</h4>
<pre>protected&nbsp;java.nio.ByteBuffer&nbsp;preparePutData(int&nbsp;nChans,
                                             int&nbsp;nSamples,
                 