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Atari ST family connectors pinouts

• ST power supply
• ST floppy power supply


• ST Monitor out
• TT Monitor out
• Falcon Monitor out


• ST joystick / mouse
• STe enhanced joystick
• MEGA ST/TT keyboard


• MIDI In and Out
• ST Modem 1
• Falcon Serial
• LAN


• ST/Falcon parallel


• ST floppy
• Floppy internal
• ST/TT DMA ACSI port
• TT SCSI port


• ROM port


• Falcon DSP port

Atari Falcon DSP port

Canon high density D-sub 26 female at computer side

1	General Purpose 0		10	GND		19	SDMA Record Data
2	General Purpose 2		11	Sync Serial I/F Ctrl 0		20	SDMA Record Clock
3	General Purpose 1		12	Sync Serial I/F Ctrl 1		21	SDMA Record Sync
4	SDMA Play Data		13	Sync Serial I/F Ctrl 2		22	DSP Interrupt
5	SDMA Play Clock		14	GND		23	Sync Serial I/F Data Out
6	SDMA Play Sync		15	Sync Serial Data In		24	Sync Serial I/F Clock
7	Not Connect		16	GND		25	GND
8	GND		17	+12V		26	External Clock Input
9	+12V		18	GND