Connector Pin Assignments - Compaq Presario 1625 Maintenance And Service Manual

Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface
Removal & Replacement Procedures

Connector Pin Assignments

This section provides connector pin assignment tables for Compaq Presario
1600 Series Portable Computers and the Compaq Port Replicator for selected
models. For more information on connectors, refer to
connectors located on the computer and
on the port replicator.
The signals in all tables of this appendix are considered active high
NOTE:
unless otherwise indicated by an asterisk (*).
Parallel Connector
Serial Connector
Keyboard/Mouse
External VGA Monitor
Phone Line to Wall Jack
Port Replicator
Pin
1
2
3
4
5
6
7
8
9
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Pin Signal
1 N.C.
2 N.C.
3 Kb Clk 1
4 Joystick Data A 24
5 Kb Data 1
6 Joystick Data B 26
7 Kb Clk 2
8 Joystick Data C 28
9 Kb Data 2
10 Joystick Data D 30
11 Lp Select In
12 Lp Paper End
13 Lp Initialize
14 Lp Busy
15 Lp Error
16 Lp Ack
17 Lp Auto Feed
18 Lp Strobe
19 DDC2BC
20 DDC2BD
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Parallel Connector
Signal
Strobe*
Data Bit 0
Data Bit 1
Data Bit 2
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
Data Bit 7
Connector
Connector
External VGA Monitor
Connector
Phone Line to Wall Jack
Connector
Pin
21 Printer Data 0
22 Printer Data 1
23 Printer Data 2
Printer Data 3
25 Printer Data 4
Printer Data 5
27 Printer Data 6
Printer Data 7
29 Reserved
Reserved
31 Reserved
32 Reserved
33 Adapter In
34 Adapter In
35 Adapter In
36 Adapter In
37 Adapter In
38 Adapter In
39 N.C.
40 N.C.
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Specifications | Connector Pin Assignments
Port Replicator
Pin
10
11
12
13
14
15
16
17
18-25
* = Active low
Serial Connector
Pin
1
2
3
4
5
6
7
8
9
Keyboard/Mouse
Pin
1
2
3
4
5
6
Pin
1 Red Analog
2 Green Analog
3 Blue Analog
4 Not connected
5 Ground
6 Ground Analog
7 Ground Analog
8 Ground Analog
9 Not connected
10 Ground
11 Monitor Detect
12 DDC2B Data
13 Horizontal Sync
14 Vertical Sync
15 DDC2B Clock
Pin
1
2
3
4
5
6
Port Replicator
Signal Pin
41 N.C.
42 N.C.
43 Switch A
44 Switch B
45 Switch C
46 Switch D
47 N.C.
48 MIDI In
49 MIDI Out
50 +5V
51 +5V
52 N.C.
53 N.C.
54 N.C.
55 N.C.
56 Dock ID -
57 RXD
58 Lp Select
59 RI
60 DTR
| Illustrated Parts Catalog
Rear Connectors
for connectors located
Signal
Acknowledge*
Busy
Paper Out
Select
Auto Linefeed*
Error*
Initialize Printer*
Select In*
Signal Ground
Signal
Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Ready to Send
Clear to Send
Ring Indicator
Signal
Data
Not defined
Ground
+5 VDC
Clock
Not defined
Signal
Signal
Unused
Unused
Tip
Ring
Unused
Unused
Signal Pin
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
| Battery Pack
for
Signal
CTS
DCD
DSR
TXD
RTS
N.C.
Detect
N.C.
V. Sync
Ground
H. Sync
Ground
Blue
Ground
Green
Ground
Red
Ground
N.C.
N.C.