Dell Inspiron 4150 - Manual (Page 31)

If you reconfigure your hardware, you may need pin number and signal information for the parallel connector.
Docking Connector
Use this connector to attach your computer to the optional docking device.
Pin Signal I/O Definition
1 STB# I/O Strobe
2 D0 I/O Printer data bit 0
3 PD1 I/O Printer data bit 1
4 PD2 I/O Printer data bit 2
5 PD3 I/O Printer data bit 3
6 PD4 I/O Printer data bit 4
7 PD5 I/O Printer data bit 5
8 PD6 I/O Printer data bit 6
9 PD7 I/O Printer data bit 7
10 ACK# I Acknowledge
11 BUSY I Busy
12 P E I Paper end
13 SLCT I Select
14 AFD# O Automatic feed
15 ERR# I Error
16 INIT# O Initialize printer
17 SLIN# O Select in
18-25 N/A N/A Ground signal
Shell N/A N/A Frame ground
Pin Signal Pin Signal Pin Signal Pin Signal
1 STRB#/5V 51 HSYNC 101 VGA_GRN 151 GND
2 PD0 52 VSYNC 102 GND 152 CLK_SPCI
3 PD1 53 GND 103 VGA_RED 153 GND
4 PD2 54 DOCKED 104 GND 154 SAD0
5 PD3 55 USB_VD1+ 105 VGA_BLU 155 SAD1
6 PD4 56 USB_VD1- 106 DOCK_SD/MODE 156 SAD2
7 PD5 57 GND 107 D_IRTX 157 SAD3
8 PD6 58 USB_VD2+ 108 D_IRRX 158 SAD4
9 PD7 59 USB_VD2- 109 GND 159 SAD5
10 GND 60 DOCKOC1# 110 SPIRQB# 160 SAD6
11 DOC_SPKR 61 RUN_ON# 111 SPIRQC# 161 GND
12 DOCK_MIC 62 GND 112 DAT_DDC2 162 SAD7
13 DOCK_LINE 63 NC 113 CLK_DDC2 163 SAD8
14 DOCK_CDROM 64 DOCK_SCLK 114 SPAR 164 SC/BE0#
15 GND 65 DOCK_LRCK 115 SPME# 165 SAD9