Interface Signals And Input Power - Siemens Microfloppy FDD100-5 Operating And Maintenance Manual

INTERFACE SIGNALS
J1
2
SPARE
OPTIONAL {
4
RESERVED·
6
DRIVE SELECT
fI
INDEX/SECTOR
8
DRIVE SELECT 1
10
12
DRIVE SELECT 2
14
DRIVE SELECT 3
16
MOTOR ON
MODEL
DIRECTION SELECT CONTROLLER
FDD100-5
18
20
STEP
22
COMPOSITE WRITE DATA
--
24
WRITE GATE
26
TRACK 00
28
WRITE PROTECT
30
COMPOSITE READ DATA
32
RESERVED·
34
SPARE
ODD PINS RETURN (DC GROUND)
INPUT POWER
J2
+12V
1
MODEL
2
12V RETURI\J
CONTROLLER
FDD100-5
ZERO V (5V RETURN)
POWER SUPPLY
3
4
+5V
*THESE PINS HAVE BEEN RESERVED FOR USE BY THE MODEL FDD200-5 DISK DRIVE.
Figure 2-7. Interface Signals and Input Power
2-8