Connector - Amiga External Diskdrive23 PIN D-SUB FEMALE at the Amiga. | (at the Amiga) |
| Pin | Name | Direction | Description |
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| 1 | /RDY | --- | Disk Ready | | 2 | /DKRD | Input | Disk Read Data | | 3 | GND | --- | Ground | | 4 | GND | --- | Ground | | 5 | GND | --- | Ground | | 6 | GND | --- | Ground | | 7 | GND | --- | Ground | | 8 | /MTRXD | open collecotr | Disk Motor Control | | 9 | /SEL2 | open collecotr | Select Drive 2 | | 10 | /DRES | open collecotr | Disk Reset | | 11 | /CHNG | --- | Disk Removed From Drive-Latched Low | | 12 | +5V | Output | +5 Volts DC (250 mA max) | | 13 | /SIDE | Output | Select Disk Side (0=Upper, 1=Lower) | | 14 | /WPRO | --- | Disk is Write Protected | | 15 | /TKO | --- | Drive Head position over Track 0 | | 16 | /DKWE | open collecotr | Disk Write Enable | | 17 | /DKWD | open collecotr | Disk Write Data | | 18 | /STEP | open collecotr | Step the Head-Pulse, First low, then high | | 19 | DIR | open collecotr | Select Head Direction (0=Inner, 1=Outer) | | 20 | /SEL3 | open collecotr | Select Drive 3 | | 21 | /SEL1 | open collecotr | Select Drive 1 | | 22 | /INDEX | open collecotr | Disk Index Pulse | | 23 | +12V | Output | +12 Volts DC (160 mA max, 540 mA surge |
Note: Direction is Computer relative Diskdrive.
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