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Diskette Drive Connector
The external diskette drive is connected through the diskette drive connector, located on the left side of the computer. Figure
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| 26 | 2 |
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Pin | Signal | Type |
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1 | GND | Ground |
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2 | DRATE1 | Data |
| Rate | Select | 1 | |
3 | VCC5B | +5V | dc |
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4 | – | Reserved |
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5 | GND | Ground |
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6 | – | Reserved |
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7 | GND | Ground |
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8 | −INDEX | Index |
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9 | – | Reserved |
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10 | – | Reserved |
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11 | −DRVSEL0 | Drive | Select | 0 |
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12 | DRATE0 | Data |
| Rate | Select | 0 | |
13 | −MOTEN0 | Motor |
| Enable | 0 |
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14 | – | Reserved |
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15 | −FDIR | Direction | In |
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16 | −FSTEP | Step |
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17 | WRDATA | Write | Data |
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18 | −FWREN | Write | Enable |
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19 | GND | Ground |
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20 | −TRAK0 | Track |
| 0 |
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21 | – | Reserved |
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22 | −FWPROTECT | Write | Protect |
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23 | RDDATA | Read | Data |
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24 | −FSIDE1SEL | Side |
| 1 | Select |
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25 | – | Reserved |
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26 | −DISKCHG | Disk | Change |
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