1 HP Vectra 500 Series

System Overview

Rear Panel Connectors

The external connectors on the rear panel of the computer are used to connect the mouse, keyboard and display. The 25-pin parallel port can be used for connecting a parallel printer, while the two 9-pin buffered serial ports are for serial printers. The following diagram shows the rear panel connectors for the minitower and desktop computers.

Display Connector

6 - Ground

Red - 1 11 - Not Used

7 - Ground

Green - 2 12 - Data from display (DDC1)

8

- Ground

Blue - 3

13 - H-Sync

9

- Not Used

Not Used - 4 14 - V-Sync

10 - Ground

Ground - 5 15 - Not Used

Power Key - 6

5

- Clock

+5V dc - 4

3

- Ground

Not Used - 2

1

- Data

Keyboard Socket (upper)

Mouse Socket (lower)

Serial Device Connectors

1-

CF (DCD)

 

 

 

 

 

(DSR) CC - 6

2-

BB (RD)

 

(RTS) CA - 7

3-

BA (TD)

 

 

 

4-

CD (DTR)

 

(CTS) CB - 8

 

 

5-

AB (GND)

 

(RI) CE - 9

 

 

Strobe - 1

14

- AUTO FD

DO - 2

15

- ERROR

D1 - 3

16

- INIT

D2 - 4

17

- SLIN

D3 - 5

18

- Ground

D4 - 6

19

- Ground

D5 - 7

20

- Ground

D6 - 8

21

- Ground

D7 - 9

22

- Ground

ACK -10

23

- Ground

BUSY -11

24

- Ground

PE -12

25

- Ground

SLCT -13

Parallel Device Connector

24