Parallel Interface Connector; Figure 5-5. Parallel Interface; Table 5-12. Parallel Interface; Table 5-14. Db-25 Parallelc - Compaq EN Series Technical Reference Manual

Chapter 5 Input/Output Interfaces
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
Pin Signal
1 STB-
2 D0
3 D1
4 D2
5 D3
6 D4
7 D5
8 D6
9 D7
10 ACK-
11 BSY
12 PE
13 SLCT
5-26 Compaq Deskpro EN Series of Personal Computers
Net PC and Small Form Factor Models
Table 5-14.
DB-25 Parallel Connector Pinout
Description Pin
Strobe 14
Data 0 15
Data 1 16
Data 2 17
Data 3 18
Data 4 19
Data 5 20
Data 6 21
Data 7 22
Acknowledge 23
Busy 24
Paper End 25
Select --
First Edition – June 1998
Signal Description
LF- Line Feed
ERR- Error
INIT- Initialize Paper
SLCTIN- Select In
GND Ground
GND Ground
GND Ground
GND Ground
GND Ground
GND Ground
GND Ground
GND Ground
-- --