"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -
1
2
3
4
+5V
Data -
Data +
Ground
Modem
Connector
Pin Signal
1
2
3
4
5
6
Unused
Unused
Tip
Ring
Unused
Unused
Port Replicator
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
N.C.
21
Printer Data 0
41
N.C.
61
CTS
2
N.C.
22
Printer Data 1
42
N.C.
62
DCD
3
Kb Clk 1
23
Printer Data 2
43
Switch A
63
DSR
4
Joystick Data A
24
Printer Data 3
44
Switch B
64
TXD
5
Kb Data 1
25
Printer Data 4
45
Switch C
65
RTS
6
Joystick Data B
26
Printer Data 5
46
Switch D
66
N.C.
7
Kb Clk 2
27
Printer Data 6
47
N.C.
67
Detect
8
Joystick Data C
28
Printer Data 7
48
MIDI In
68
N.C.
9
Kb Data 2
29
USB 0 -
49
MIDI Out
69
V. Sync
10
Joystick Data D
30
USB 0 +
50
+5V
70
Ground
11
Lp Select In
31
USB 1 -
51
+5V
71
H. Sync
12
Lp Paper End
32
USB 1+
52
N.C.
72
Ground
13
Lp Initialize
33
Adapter In
53
N.C.
73
Blue
14
Lp Busy
34
Adapter In
54
N.C.
74
Ground
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