(At the Computer)
25 PIN D-SUB FEMALE at the Computer.
Pin |
Name |
Dir |
Description |
1 |
+12V |
 |
+12 VDC |
2 |
+5V |
 |
+5 VDC |
3 |
+5V |
 |
+5 VDC |
4 |
/INDEX |
 |
Sector hole passed sensor. |
5 |
/DSEL1 |
 |
Drive Select 1 |
6 |
DIR |
 |
Direction (0=In, 1=Dir) |
7 |
/STEP |
 |
Moves head 1 step in DIR direction. |
8 |
WRITEDATA |
 |
Write Data |
9 |
/WRITEGATE |
 |
Write Gate |
10 |
/TRACK00 |
 |
Head is over Track 00 (outermost track) |
11 |
/WRITEPROTECT |
 |
Write protected disk (0=Write protected) |
12 |
READDATA |
 |
Data read from diskette. |
13 |
/SIDESELECT |
 |
Side Select (0=Side 1, 1=Side 0) |
14 |
+12V |
 |
+12 VDC |
15 |
+12V |
 |
+12 VDC |
16 |
+5V |
 |
+5 VDC |
17 |
/DSEL1 |
 |
Select Drive 0 |
18 |
/MOTOR |
 |
Motor On |
19 |
READY |
 |
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: [The Hardware Book]
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