Connector - MSX External Diskdrive

25 PIN D-SUB FEMALE at the Computer.

(at the Computer)

Pin	Name	Direction	Description
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.

Source: HW-Book 2001-06-08
Last modified: 2007-06-27 14:22:59.0
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