• Home
• Connectors
• 8 bit
• ST(FM/E)/ MEGA ST/ MEGA STE/ TT030/ Falcon030
• Portfolio
• Game Consoles
• Others
• Cables & adapters
• Power supply units

Atari ST family connectors pinouts

• ST power supply
• ST floppy drive 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
• ST Floppy internal
• ST floppy drive IN and OUT
• ST/TT DMA ACSI port
• TT SCSI port


• ROM port


• Falcon DSP port

3.5" ST floppy internal

IDC 34 Male at floppy drive side

1	GND		2	/REDWC	Density Select (MEGA STE/TT030/Falcon030)
3	GND		4	not connected
5	GND		6	not connected	Density Select 2 (Falcon030)
7	GND		8	/INDEX	Index
9	GND		10	/D0SEL	Drive Select 0
11	GND		12	/D1SEL	Drive Select 1 (STE/MEGA STE)
13	GND		14	not connected
15	GND		16	/MTRON	Motor On
17	GND		18	/DIR	Direction
19	GND		20	/STEP	Step
21	GND		22	/WDATA	Write Data
23	GND		24	/WGATE	Floppy Write Enable
25	GND		26	/TRK00	Track 0
27	GND		28	/WPT	Write Protect
29	GND		30	/RDATA	Read Data
31	GND		32	/SIDE1	Head Select
33	GND		34	DCH	Disk Change (TT030/Falcon030)