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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<html>
<head>
<title>HwB: IDE Internal Connector (Offline)</title>
<meta name="Description" content="Pinout and description for the IDE Internal connector.">
<meta name="Keywords" content="HwB, pinout, hardware, connector, ide, internal, harddrive">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="Author" content="Hardware Book team">
</head>
<body background="../../images/bgr_grey.jpg" bgcolor="#C0C0C0" text="#000000" link="#0000EE" vlink="#551A8B" alink="#FF0000">
<p align="center"><a href="../index.html"><img src="../../images/mini_Back.gif" alt="GoTo Connector" border="0" width="64" height="48"></a><img src="../images/menu.gif" alt="CONNECTOR" width="400" height="48"><a href="../../index.html"><img src="../../images/mini_HwB.gif" alt="GoTo Main" border="0" width="64" height="48"></a></p>
<h1>IDE Internal</h1>
<p>IDE=Integrated Drive Electronics.<br>
Developed by Compaq and Western Digital.<br>
Newer version of IDE goes under the name ATA=AT bus Attachment.</p>
<p><img src="../../images/conn/idc40m.gif" alt="40 PIN IDC MALE" width="271" height="61"> (at the controller & peripherals)<br>
<img src="../../images/conn/idc40f.gif" alt="40 PIN IDC FEMALE" width="271" height="61"> (at the cable)</p>
<p>40 PIN IDC MALE at the controller & peripherals.<br>
40 PIN IDC FEMALE at the cable.</p>
<table border="1">
<tr>
<th>Pin</th>
<th>Name</th>
<th>Dir</th>
<th>Description</th>
</tr>
<tr>
<td>1</td>
<td>/RESET</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>Reset</td>
</tr>
<tr>
<td>2</td>
<td>GND</td>
<td><img src="../../images/arrow.gif" alt="---" width="32" height="9"></td>
<td>Ground</td>
</tr>
<tr>
<td>3</td>
<td>DD7</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 7</td>
</tr>
<tr>
<td>4</td>
<td>DD8</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 8</td>
</tr>
<tr>
<td>5</td>
<td>DD6</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 6</td>
</tr>
<tr>
<td>6</td>
<td>DD9</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 9</td>
</tr>
<tr>
<td>7</td>
<td>DD5</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 5</td>
</tr>
<tr>
<td>8</td>
<td>DD10</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 10</td>
</tr>
<tr>
<td>9</td>
<td>DD4</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 4</td>
</tr>
<tr>
<td>10</td>
<td>DD11</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 11</td>
</tr>
<tr>
<td>11</td>
<td>DD3</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 3</td>
</tr>
<tr>
<td>12</td>
<td>DD12</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 12</td>
</tr>
<tr>
<td>13</td>
<td>DD2</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 2</td>
</tr>
<tr>
<td>14</td>
<td>DD13</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 13</td>
</tr>
<tr>
<td>15</td>
<td>DD1</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 1</td>
</tr>
<tr>
<td>16</td>
<td>DD14</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 14</td>
</tr>
<tr>
<td>17</td>
<td>DD0</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 0</td>
</tr>
<tr>
<td>18</td>
<td>DD15</td>
<td><img src="../../images/arrowlr.gif" alt="<->" width="32" height="9"></td>
<td>Data 15</td>
</tr>
<tr>
<td>19</td>
<td>GND</td>
<td><img src="../../images/arrow.gif" alt="---" width="32" height="9"></td>
<td>Ground</td>
</tr>
<tr>
<td>20</td>
<td>KEY</td>
<td>-</td>
<td>Key</td>
</tr>
<tr>
<td>21</td>
<td>n/c</td>
<td>-</td>
<td>Not connected</td>
</tr>
<tr>
<td>22</td>
<td>GND</td>
<td><img src="../../images/arrow.gif" alt="---" width="32" height="9"></td>
<td>Ground</td>
</tr>
<tr>
<td>23</td>
<td>/IOW</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>Write Strobe</td>
</tr>
<tr>
<td>24</td>
<td>GND</td>
<td><img src="../../images/arrow.gif" alt="---" width="32" height="9"></td>
<td>Ground</td>
</tr>
<tr>
<td>25</td>
<td>/IOR</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>Read Strobe</td>
</tr>
<tr>
<td>26</td>
<td>GND</td>
<td><img src="../../images/arrow.gif" alt="---" width="32" height="9"></td>
<td>Ground</td>
</tr>
<tr>
<td>27</td>
<td>IO_CH_RDY</td>
<td><img src="../../images/arrowl.gif" alt="<--" width="32" height="9"></td>
<td> </td>
</tr>
<tr>
<td>28</td>
<td>ALE</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>Address Latch Enable</td>
</tr>
<tr>
<td>29</td>
<td>n/c</td>
<td>-</td>
<td>Not connected</td>
</tr>
<tr>
<td>30</td>
<td>GND</td>
<td><img src="../../images/arrow.gif" alt="---" width="32" height="9"></td>
<td>Ground</td>
</tr>
<tr>
<td>31</td>
<td>IRQR</td>
<td><img src="../../images/arrowl.gif" alt="<--" width="32" height="9"></td>
<td>Interrupt Request</td>
</tr>
<tr>
<td>32</td>
<td>/IOCS16</td>
<td>?</td>
<td>IO ChipSelect 16</td>
</tr>
<tr>
<td>33</td>
<td>DA1</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>Address 1</td>
</tr>
<tr>
<td>34</td>
<td>n/c</td>
<td>-</td>
<td>Not connected</td>
</tr>
<tr>
<td>35</td>
<td>DA0</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>Address 0</td>
</tr>
<tr>
<td>36</td>
<td>DA2</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>Address 2</td>
</tr>
<tr>
<td>37</td>
<td>/IDE_CS0</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>(1F0-1F7)</td>
</tr>
<tr>
<td>38</td>
<td>/IDE_CS1</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>(3F6-3F7)</td>
</tr>
<tr>
<td>39</td>
<td>/ACTIVE</td>
<td><img src="../../images/arrowr.gif" alt="-->" width="32" height="9"></td>
<td>Led driver</td>
</tr>
<tr>
<td>40</td>
<td>GND</td>
<td><img src="../../images/arrow.gif" alt="---" width="32" height="9"></td>
<td>Ground</td>
</tr>
</table>
<p><i>
Note: Direction is Controller relative Devices (Harddisks).
</i></p>
<table border="0">
<tr>
<td><i><font size="2">Contributor:</font></i></td>
<td><i><font size="2">
<a href="../../comment/index.html">Joakim gren</a>,
<a href="mailto:dan_williams@sunshine.net">Dan Williams</a>
</font></i></td>
</tr>
</table>
<table border="0">
<tr>
<td><i><font size="2">Source:</font></i></td>
<td><i><font size="2">
?
</font></i></td>
</tr>
</table>
<p><em><font size="2">
Copyright © <a href="../../comment/index.html">The Hardware Book Team</a> 1996-2004.<br>
May be copied and redistributed, partially or in whole, as appropriate.<br>
Document last modified: 2002-01-10
</font></em></p>
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