UDMA

<h2 id="see-also">See also</h2>
<ul><li><a href="/facts/Programmed_input%2foutput/oKGcQrkI">PIO</a>—The first interface type used between devices (mainly hard disks) and the computer.</li>
<li><a href="/facts/Parallel_ATA/QPchqXH8">Parallel ATA</a></li>
<li><a href="/facts/Serial_ATA/dW8yAMm8">Serial ATA</a></li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1"><p>AT Attachment with Packet Interface - 7 Volume 2 - Parallel Transport Protocols and Physical Interconnect (ATA/ATAPI-7 V2) E.2.1.1 Cabling p172 <a href="https://archive.org/stream/SCSISpecificationDocumentsATAATAPI/ATA_ATAPI/AT%20Attachment%20with%20Packet%20Interface%20-%207%20Volume%202%20-%20Parallel%20Transport%20Protocols%20and%20Physical%20Interconnect%20%28ATA_ATAPI-7%20V2%29%20Revision%204b#page/n189/mode/2up" target="_blank">https://archive.org/stream/SCSISpecificationDocumentsATAATAPI/ATA_ATAPI/AT%20Attachment%20with%20Packet%20Interface%20-%207%20Volume%202%20-%20Parallel%20Transport%20Protocols%20and%20Physical%20Interconnect%20%28ATA_ATAPI-7%20V2%29%20Revision%204b#page/n189/mode/2up</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li>
<li id="fn:2"><p>80-conductor cable required <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li>
<li id="fn:3"><p>80-conductor cable required <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li>
<li id="fn:4"><p>80-conductor cable required <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li>
<li id="fn:5"><p>80-conductor cable required <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li>
<li id="fn:6"><p>CompactFlash 6.0 Introduction Archived 2010-11-21 at the Wayback Machine <a href="http://compactflash.org/2010/cf-6-0-introduces-industry-leading-performance-and-feature-enhancements/" target="_blank">http://compactflash.org/2010/cf-6-0-introduces-industry-leading-performance-and-feature-enhancements/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li>
</ol>

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UDMA