ESDI 20 Pin Cable Pinout

ESDI 20 PIN

PIN	FUNCTION	DESCRIPTION
1	DSEL	Drive Selected
2	SAMK	Sector / Add MK Found
3	SEEK	Seek Complete
4	ADDEN	Address Mark Enable
5	RES	Reserved
6	GND	Ground
7	WCLK+	Write Clock +
8	WCLK-	Write Clock -
9	CART	Cartridge Change
10	RDCLK+	Read Reference Clock +
11	RDCLK-	Read Reference Clock -
12	GND	Ground
13	NRZW+	NRZ Write Data +
14	NRZW-	NRZ Write Data -
15	GND	Ground
16	GND	Ground
17	NRZR+	NRZ Read Data +
18	NRZR-	NRZ Read Data -
19	GND	Ground
20	GND	Ground

NOTE:  A slash "/" before a function denotes Active Low