📄 45-simm30.htm
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<title>Simm 30pin memory</title>
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<p align="center"><font size="5" color="#0000FF"><strong><u>SIMM 30线内存条</u></strong></font></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"> SIMM 是 Single Inline Memory Module (单列直插)
的缩写，最高容量为 4MBx9，在无校验内存条中，QP 和 DP
引脚是空的，外观为：</font></p>
<p><img src="conn_simm30m.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/conn_simm30m.gif" alt="30 PIN SIMM" WIDTH="345" HEIGHT="95"></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> </p>
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<th bgcolor="#0000FF"><font color="#FFFF00">Pin</font></th>
<th bgcolor="#0000FF"><font color="#FFFF00">Name</font></th>
<th bgcolor="#0000FF"><font color="#FFFF00">Description</font></th>
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<td bgcolor="#C8C8FF"><font color="#0000FF">1</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">VCC</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">+5 VDC</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">2</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">/CAS</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Column Address Strobe</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">3</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">DQ0</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data 0</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">4</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A0</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 0</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">5</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A1</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 1</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">6</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">DQ1</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data 1</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">7</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A2</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 2</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">8</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A3</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 3</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">9</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">10</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">DQ2</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data 2</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">11</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A4</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 4</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">12</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A5</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 5</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">13</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">DQ3</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data 3</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">14</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A6</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 6</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">15</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A7</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 7</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">16</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">DQ4</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data 4</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">17</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A8</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 8</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">18</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A9</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 9</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">19</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A10</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 10</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">20</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">DQ5</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data 5</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">21</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">/WE</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Write Enable</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">22</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">23</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">DQ6</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data 6</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">24</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">A11</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Address 11</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">25</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">DQ7</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data 7</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">26</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">QP</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data Parity Out</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">27</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">/RAS</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Row Address Strobe</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">28</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">/CASP</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Something Parity ????</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">29</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">DP</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">Data Parity In</font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">30</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">VCC</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">+5 VDC</font></td>
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