Connector - MSX External Diskdrive25 PIN D-SUB FEMALE at the Computer. | (at the Computer) |
Pin | Name | Direction | Description |
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1 | +12V | Output | +12 VDC | 2 | +5V | Output | +5 VDC | 3 | +5V | Output | +5 VDC | 4 | /INDEX | Input | Sector hole passed sensor. | 5 | /DSEL1 | Output | Drive Select 1 | 6 | DIR | Output | Direction (0=In, 1=Dir) | 7 | /STEP | Output | Moves head 1 step in DIR direction. | 8 | WRITEDATA | Output | Write Data | 9 | /WRITEGATE | Output | Write Gate | 10 | /TRACK00 | Input | Head is over Track 00 (outermost track) | 11 | /WRITEPROTECT | Input | Write protected disk (0=Write protected) | 12 | READDATA | Input | Data read from diskette. | 13 | /SIDESELECT | Output | Side Select (0=Side 1, 1=Side 0) | 14 | +12V | Output | +12 VDC | 15 | +12V | Output | +12 VDC | 16 | +5V | Output | +5 VDC | 17 | /DSEL1 | Output | Select Drive 0 | 18 | /MOTOR | Output | Motor On | 19 | READY | Input | Ready | 20 | GND | --- | Ground | 21 | GND | --- | Ground | 22 | GND | --- | Ground | 23 | GND | --- | Ground | 24 | GND | --- | Ground | 25 | GND | --- | Ground |
Note: Direction is Computer relative Diskdrive.
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