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88 Provit 5000 User’s Manual
Controllers • System Unit with Socket 7 (ZIF)
7.8 Parallel Interface LPT1
The parallel interface LPT1 is a 25 pin DSUB socket. It supports EPP and ECP operating modes
(Plug & Play compatible) as well as the standard SPP mode.
To change these settings, see the "BIOS settings" section in Chapter 6 "Software".
Note: Provit IPC parallel interfaces are equipped with a protective circuit in order to conform with
requirements for operating in industrial environments. This can possibly lead to limitations in
regard to the maximum transfer rate.
Parallel Interface LPT1
Pin Assignment Pin Assignment
25 pin DSUB socket
1 Data Strobe 14 Autofeed
2 Data 0 15 Error
3 Data 1 16 Printer Init
4 Data 2 17 Printer Select Input
5 Data 3 18 GND
6 Data 4 19 GND
7 Data 5 20 GND
8 Data 6 21 GND
9 Data 7 22 GND
10 Acknowledge 23 GND
11 Busy 24 GND
12 Paper End 25 GND
13 Printer Select Status
Table 52: Pin assignments LPT1
Default Settings LPT1
Interrupt 7
I/O Address 378h - 37Fh
Table 53: Standard settings for LPT1