Tekst źródłowy strony Gniazdo Cartridge (ST)

<h2 align="center"><font color="#0000FF">Plug-in cartridge port</font></h2>

<p>This port provides a plug-in cartridge facility that does not
sense in hardware the presence of a cartridge. The cartridge ROM
occupies addresses in the range: $FA0000 (16384000 ) to $FBFFFF
(16515071) &#150; maximum 128 Kbytes</p>

<p align="center"><font color="#0000FF"><strong>40 way 40S socket</strong></font></p>
<div align="center"><center>

<table border="1" cellpadding="5" cellspacing="0">
<tr>
<td align="right"><font color="#0000FF"><strong>function</strong></font></td>
<td align="center" colspan="3"><font color="#0000FF"><strong>pin</strong></font></td>
<td><font color="#0000FF"><strong>function</strong></font></td>
</tr>
<tr>
<td align="right">power + 5 VDC </td>
<td>2</td>
<td rowspan="20"><img src="images/b/b0/Edge_conn_40_way_vertical.png"
width="133" height="451"></td>
<td>1</td>
<td>power + 5 VDC </td>
</tr>
<tr>
<td align="right">data 15</td>
<td>4</td>
<td>3</td>
<td>data 14</td>
</tr>
<tr>
<td align="right">data 13</td>
<td>6</td>
<td>5</td>
<td>data 12</td>
</tr>
<tr>
<td align="right">data 11</td>
<td>8</td>
<td>7</td>
<td>data 10</td>
</tr>
<tr>
<td align="right">data 9</td>
<td>10</td>
<td>9</td>
<td>data 8</td>
</tr>
<tr>
<td align="right">data 7</td>
<td>12</td>
<td>11</td>
<td>data 6</td>
</tr>
<tr>
<td align="right">data 5</td>
<td>14</td>
<td>13</td>
<td>data 4</td>
</tr>
<tr>
<td align="right">data 3</td>
<td>16</td>
<td>15</td>
<td>data 2</td>
</tr>
<tr>
<td align="right">data 1</td>
<td>18</td>
<td>17</td>
<td>data 0</td>
</tr>
<tr>
<td align="right">address 15</td>
<td>20</td>
<td>19</td>
<td>address 13</td>
</tr>
<tr>
<td align="right">address 14</td>
<td>22</td>
<td>21</td>
<td>address 8</td>
</tr>
<tr>
<td align="right">address 9</td>
<td>24</td>
<td>23</td>
<td>address 7</td>
</tr>
<tr>
<td align="right">address 10</td>
<td>26</td>
<td>25</td>
<td>address 6</td>
</tr>
<tr>
<td align="right">address 12</td>
<td>28</td>
<td>27</td>
<td>address 5</td>
</tr>
<tr>
<td align="right">address 4</td>
<td>30</td>
<td>29</td>
<td>address 11</td>
</tr>
<tr>
<td align="right">address 3</td>
<td>32</td>
<td>31</td>
<td>ROM3 select</td>
</tr>
<tr>
<td align="right">address 2</td>
<td>34</td>
<td>33</td>
<td>ROM4 select</td>
</tr>
<tr>
<td align="right">address 1</td>
<td>36</td>
<td>35</td>
<td>upper data strobe</td>
</tr>
<tr>
<td align="right">ground</td>
<td>38</td>
<td>37</td>
<td>lower data strobe</td>
</tr>
<tr>
<td align="right">ground</td>
<td>40</td>
<td>39</td>
<td>ground</td>
</tr>
</table>
</center></div>

<p>Only the lower 15 address lines are available to the ROM
cartridge which does not provide a &#145;write&#146; line.</p>


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{{Kategoria: Atari ST]]