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<title>Dimm SDram 168pin memory</title>
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<p align="center"><strong><font size="5" color="#0000FF"><u>DIMM SDRAM 168线内存条</u></font></strong></p>

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    <td width="100%" align="center" height="26" bgcolor="#FFC8AA"><font color="#000080">[ <a target="_self" href="hardware.htm" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware.htm">返回目录</a> ]</font></td>
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<p><font color="#008080">&nbsp;&nbsp;&nbsp; DIMM 是 Dual Inline Memory Module (双列直插)的缩写</font></p>

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    <td width="100%" align="center" height="24" bgcolor="#C8C8FF"><font color="#000080">引脚定义</font></td>
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<p><font color="#008080">正面，左方：</font></p>

<table border="1" cellspacing="1">
  <tr>
    <th bgcolor="#0000FF"><font color="#FFFF00">Pin</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">Non-Parity</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">72 ECC?</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">80 ECC?</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">Description</font></th>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VSS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VSS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VSS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">2</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 0</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">3</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 1</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">4</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ2</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ2</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ2</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 2</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">5</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ3</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ3</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ3</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 3</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">6</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VDD</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VDD</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VDD</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+5 VDC or +3.3 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">7</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ4</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ4</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ4</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 4</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">8</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ5</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ5</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ5</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 5</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">9</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ6</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ6</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ6</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 6</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">10</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ7</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ7</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ7</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 7</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">11</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ8</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ8</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ8</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 8</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">12</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VSS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VSS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VSS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">13</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ9</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ9</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ9</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 9</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">14</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ10</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ10</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ10</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 10</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">15</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ11</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ11</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ11</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 11</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">16</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ12</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ12</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ12</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 12</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">17</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ13</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ13</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ13</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 13</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">18</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VDD</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VDD</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VDD</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+5 VDC or +3.3 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">19</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ14</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ14</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ14</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 14</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">20</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ15</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ15</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQ15</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 15</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">21</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">n/c</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">CB0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">CB0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Parity/Check Bit Input/Output 0</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">22</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">n/c</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">CB1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">CB1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Parity/Check Bit Input/Output 01</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">23</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VSS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VSS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VSS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">24</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">n/c</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">n/c</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">CB8</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Parity/Check Bit Input/Output 8</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">25</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">n/c</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">n/c</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">CB9</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Parity/Check Bit Input/Output 9</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">26</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VDD</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VDD</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">VDD</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+5 VDC or +3.3 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">27</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/WE</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/WE</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/WE</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Read/Write</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">28</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQMB0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQMB0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQMB0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Byte Mask signal 0</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">29</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQMB1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQMB1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DQMB1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Byte Mask signal 1</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">30</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/S0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/S0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/S0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Chip Select 0</font></td>
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