AR-B1552 User
’
s Guide
17
3.2.3 FDD Port Connector
1
2
34
33
Pin Signal Pin
Signal
1-33(odd) GROUND
18
-DIRECTION
2
-REDUCED WRITE CURRENT
20
-STEP OUTPUT PULSE
4 NOT
USED
22
-WRITE
DATA
6
NOT USED
24
-WRITE ENABLE
8 -INDEX
26
-TRACK
0
10
-MOTOR ENABLE A
28
-WRITE PROTECT
12
-DRIVE SELECT B
30
-READ DATA
14
-DRIVE SELECT A
32
-SIDE 1 SELECT
16
-MOTOR ENABLE B
34
DISK CHANGE
3.2.4 Parallel Port Connector (LPT)
1
26 2
25
CN8 DB-25
Signal
CN8 DB-25
Signal
1
1 -Strobe 2
14
-Auto
Form
Feed
3
2 Data
0 4
15 -Error
5
3 Data
1 6
16 -Initialize
7
4 Data
2 8
17
-Printer
Select
In
9 5
Data
3 10 18
Ground
11 6
Data
4
12 19
Ground
13 7
Data
5
14 20
Ground
15 8
Data
6
16 21
Ground
17 9
Data
7
18 22
Ground
19 10 Acknowledge 20 23
Ground
21 11
Busy
22 24
Ground
23
12 Paper 24
25 Ground
25
13
Printer Select
26
--
No Used
