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Technical Reference Guide

5.5.5 PARALLEL INTERFACE CONNECTOR

Figure 5-5 and Table 5-15 show the connector and pinout of the parallel interface connector. Note

that some signals are redefined depending on the port’s operational mode.

Figure 5-5. Parallel Interface Connector (Female DB-25 as viewed from rear of chassis)

Table 5-15. DB-25 Parallel Connector Pinout

Table 5-15.

DB-25 Parallel Connector Pinout

Signal

Function Pin Signal Function

1 STB- Strobe / Write [1] 14 LF- Line Feed [2]

2 D0 Data 0 15 ERR- Error [3]

3 D1 Data 1 16 INIT- Initialize Paper [4]

4 D2 Data 2 17 SLCTIN- Select In / Address. Strobe [1]

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 / Interrupt [1] 23 GND Ground

11 BSY Busy / Wait [1] 24 GND Ground

12 PE Paper End / User defined [1] 25 GND Ground

13 SLCT Select / User defined [1] -- -- --

NOTES:

[1] Standard and ECP mode function / EPP mode function

[2] EPP mode function: Data Strobe

ECP modes: Auto Feed or Host Acknowledge

[3] EPP mode: user defined

ECP modes:Fault or Peripheral Req.

[4] EPP mode: Reset

ECP modes: Initialize or Reverse Req.

hp compaq d330 and d530 Series of Personal Computers

Featuring the Intel Pentium 4 Processor

First Edition – June 2003

5-17

HP Compaq d330 DT User Manual

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