4 fdd port connector (cn5), 5 parallel port connector (cn6) – Toshiba 386SX User Manual
Page 24
AR-B1375/AR-B1376 User s Guide
3-6
3.2.4 FDD Port Connector (CN5)
The AR-B1375 and AR-B1376 provide a 34-pin header type connector for supporting up to two floppy disk drives.
1
2
Figure 3-9 CN5: FDD Port Connector
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
Table 3-1 FDD Pin Assignment
3.2.5 Parallel Port Connector (CN6)
To use the parallel port, an adapter cable has connected to the CN6 (26-pin header type) connector. This adapter
cable is mounted on a bracket and is included in your AR-B1375 or AR-B1376 package. The connector for the
parallel port is a 25 pin D-type female connector.
1
2
1
14
13
25
DB-25
D-Type Connector
Parallel Port Connector
Figure 3-10 CN6: Parallel Port Connector
CN6
DB-25 Signal CN6
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 Connect
Table 3-1 Parallel Port Pin Assignment