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