ESDI
Enhanced Small Device Interface
Pfostenstecker
A-Kabel B-Kabel
2
4
6
8
10
12
14
16

18
20
22
24
26
28
30
32
34 		A
A
A
E
E
E
A
E

A
E
E
A
A
A
A
A
A 		Head Select 3
Head Select 2
Write Gate
Config Status Data
Transfer ACK
Attention
Head Select 0
Sector/
Address Mark Found
Head Select 1
Index
Ready
Tranfer ACK
Drive Select 1
Drive Select 2
Drive Select 3
Drive Select 4
Direction In 		1
2
3
4
5
7
8
9
10
11
13
14
17
18
20



E

E
A

A
A

E
E
A
A
E
E
E



Drive Selected
NC
Commando Complete
Address Mark Enable
Reserved
+ Write Clock
- Write Clock
Reserved
+ Read/Reference Clock
- Read/Reference Clock
+ NRZ Write Data
- NRZ Write Data
+ NRZ Read Data
- NRZ Read Data
Index



Alle anderen GND.Signalrichtung vom Kontroller betrachtet.
MFM = Modifizierte Frequenz Modulation.
RLL = Run Length Limited. (Erreicht höhere Kapazität)
Quelle: Verschieden