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Chapter 5 Input/Output Interfaces
5-26 Compaq Deskpro EN Series of Personal Computers
Desktop and Minitower Form Factors
Third Edition – September 1998
5.5.5 PARALLEL INTERFACE CONNECTOR
Figure 5-5 and Table 5-14 show the connector and pinout of the parallel interface connector.
Figure 5–5.
Parallel Interface Connector (Female DB-25 as viewed from rear of chassis)
Table 5–14. DB-25 Parallel Connector Pinout
Table 5-14.
DB-25 Parallel Connector Pinout
Pin Signal Description Pin Signal Description
1 STB- Strobe 14 LF- Line Feed
2 D0 Data 0 15 ERR- Error
3 D1 Data 1 16 INIT- Initialize Paper
4 D2 Data 2 17 SLCTIN- Select In
5 D3 Data 3 18 GND Ground
6 D4 Data 4 19 GND Ground
7 D5 Data 5 20 GND Ground
8 D6 Data 6 21 GND Ground
9 D7 Data 7 22 GND Ground
10 ACK- Acknowledge 23 GND Ground
11 BSY Busy 24 GND Ground
12 PE Paper End 25 GND Ground
13 SLCT Select -- -- --