Tech Notes: Sony MPF920-E 1.44-MB Diskette Drive
Tech Notes: Sony MPF920-E 1.44-MB Diskette Drive
Mounting | Interface Connector Pinouts
The drive may be mounted vertically or
horizontally on any axis.
| Pin |
Signal |
Pin |
Signal |
| 1 |
Not connected |
2 |
Not connected (mode select
for 3 mode models) |
| 3 |
Key |
4 |
Not connected |
| 5 |
Ground |
6 |
Not connected |
| 7 |
Ground |
8 |
INDEX |
| 9 |
Ground |
10 |
DRIVE SELECT
0 |
| 11 |
Ground |
12 |
DRIVE SELECT
1 |
| 13 |
Ground |
14 |
Not connected |
| 15 |
Ground |
16 |
MOTOR ON |
| 17 |
Ground |
18 |
DIRECTION |
| 19 |
Ground |
20 |
STEP |
| 21 |
Ground |
22 |
WRITE DATA |
| 23 |
Ground |
24 |
WRITE GATE |
| 25 |
Ground |
26 |
TRACK 00 |
| 27 |
Ground |
28 |
WRITE PROTECT |
| 29 |
Ground |
30 |
READ DATA |
| 31 |
Ground |
32 |
HEAD 1 SELECT |
| 33 |
Ground |
34 |
DISK CHANGE |
| 