The Chicago Classic Computing Wiki

AT&T/Teletype DMD/Blit/5620 Terminal

DMD Mouse pinout

1: +5V
2: vertical
3: vertical
4: horiz
5: horiz
6: gnd
7: middle button
8: right button
9: left button

A smallymouse can be connected directly (no inverters needed) and the DMD's 5V pin will power the smallymouse just fine.

PC6300 is the same!

Apollo is the same

12/23/22

Apollo to Amiga Mouse converter

DB9M to DB9M

Apollo Keyboard			Amiga Mouse	

Pin	Signal 		Color	Pin	Signal
1	+5		BRN	7	+5
2	YB		RED	1	V
3	YA		ORN	3	VQ
4	XB		YEL	4	HQ
5	XA		GRN	2	H 
6	GND		BLU	8	GND
7	SWM (Button 2)	WHT	5	(M)
8	SWR (Button 3)	BLK	9	(R)
9	SWL (Button 1)	BRN	6	(L)
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