23 pin D-SUB FEMALE connector at the Amiga |
|
Pin
|
Name
|
Dir
|
Description |
|
1 |
/RDY
|
|
Disk Ready
|
|
2 |
/DKRD
|
|
Disk Read Data
|
|
3 |
GND
|
|
Ground
|
|
4 |
GND
|
|
Ground
|
|
5 |
GND
|
|
Ground
|
|
6 |
GND
|
|
Ground
|
|
7 |
GND
|
|
Ground
|
|
8 |
/MTRXD
|
OC
|
Disk Motor Control
|
|
9 |
/SEL2
|
OC
|
Select Drive 2 |
|
10
|
/DRES
|
OC
|
Disk Reset
|
|
11
|
/CHNG
|
|
Disk Removed From Drive-Latched Low
|
|
12
|
+5V
|
|
+5 Volts DC (250 mA max)
|
|
13
|
/SIDE
|
|
Select Disk Side (0=Upper, 1=Lower)
|
|
14
|
/WPRO
|
|
Disk is Write Protected
|
|
15
|
/TKO
|
|
Drive Head position over Track 0 |
|
16
|
/DKWE
|
OC
|
Disk Write Enable
|
|
17
|
/DKWD
|
OC
|
Disk Write Data
|
|
18
|
/STEP
|
OC
|
Step the Head-Pulse, First low, then high
|
|
19
|
DIR
|
OC
|
Select Head Direction (0=Inner, 1=Outer)
|
|
20
|
/SEL3
|
OC
|
Select Drive 3 |
|
21
|
/SEL1
|
OC
|
Select Drive 1 |
|
22
|
/INDEX
|
OC
|
Disk Index Pulse
|
|
23
|
+12V
|
|
+12 Volts DC (160 mA max, 540 mA surge
|
| |
