Amstrad CPC6128 Diskdrive 2

(At the computer)

34 PIN MALE EDGE at the computer.

Pin	Name
1	READY
2	GND
3	SIDE 1 SELECT
4	GND
5	READ DATA
6	GND
7	WRITE PROTECT
8	GND
9	TRACK 0
10	GND
11	WRITE GATE
12	GND
13	WRITE DATA
14	GND
15	STEP
16	GND
17	DIRECTION SELECT
18	GND
19	MOTOR ON
20	GND
21	n/c
22	GND
23	DRIVE SELECT 1
24	GND
25	n/c
26	GND
27	INDEX
28	GND
29	n/c
30	GND
31	n/c
32	GND
33	n/c
34	GND

Source: [The Hardware Book]