Parallel Port
24
– Reference
VSBC-8 Reference Manual
Parallel Port
The VSBC-8 includes a standard bi-directional/EPP/ECP compatible LPT port which resides at
the PC standard address of 378h. The port can be enabled/disabled and interrupt assignments can
be made via the CMOS Setup screen. The LPT model is also set via the CMOS setup screen. The
pinout of the DB25 connector applies to use of the VersaLogic transition cable #VL-CBL-2601.
Table 7: LPT1 Parallel Port Pinout
J15
Pin
Centronics
Signal
Signal
Direction
DB25
Pin
1
Strobe
Out
1
2
Auto feed
Out
14
3
Data bit 1
In/Out
2
4
Printer error
In
15
5
Data bit 2
In/Out
3
6
Reset
Out
16
7
Data bit 3
In/Out
4
8
Select input
Out
17
9
Data bit 4
In/Out
5
10
Ground
—
18
11
Data bit 5
In/Out
6
12
Ground
—
19
13
Data bit 6
In/Out
7
14
Ground
—
20
15
Data bit 7
In/Out
8
16
Ground
—
21
17
Data bit 8
In/Out
9
18
Ground
—
22
19
Acknowledge
In
10
20
Ground
—
23
21
Port Busy
In
11
22
Ground
—
24
23
Paper End
In
12
24
Ground
—
25
25
Select
In
13
26
No Connect
—
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