dell latitude c840 User Manual

RJ-11/RJ-45 Module: Dell Latitude C840 Service Manual
1vertical slot
2 modem cable
When replacing the system board, ensure that the network cable is safely\
 above the 
board and out of the way.
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Pin Assignments for I/O Connectors: Dell Latitude C840 Service Manual
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Pin Assignments for I/O Connectors 
Dell™ Latitude™ C840 Service Manual
USB Connector 
 
Pin Signal
1 VCC
2 -Data
3 +Data
4 Ground
Serial Connector 
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Pin Assignments for I/O Connectors: Dell Latitude C840 Service Manual
 
Pin Signal PinSignal
1 DCD 6DSR
2 RXDA 7RTS
3 TXDA 8CTS
4 DTR 9RI
5 GND   
Parallel Connector 
 
Pin Signal PinSignal
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Pin Assignments for I/O Connectors: Dell Latitude C840 Service Manual
1STRB# 11BUSY
2 PD0 12PE
3 PD1 13SLCT
4 PD2 14AFDF#
5 PD3 15ERROR#
6 PD4 16INIT#
7 PD5F 17SLCT_IN
8 PD6F 18-23GND
9 PD7F 24DFDD/LPT#
10 ACK# 25GND
Video Connector 
 
Pin Signal PinSignal
1 RED 9CRT_VCC
2 GREEN 10GND
3 BLUE 11MSEN#
4 NC 12DAT_DDC2
5 GND 13HSYNC
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Pin Assignments for I/O Connectors: Dell Latitude C840 Service Manual
6GND 14VSYNC
7 GND 15CLK_DDC2
8 GND   
PS/2 Connector 
 
Pin Signal
1 DAT_KBD
2 DAT_SM1
3 GND
4 PS2VCC
5 CLK_KBD
6 CLK_SM1
S-Video TV-Out Connector 
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Pin Assignments for I/O Connectors: Dell Latitude C840 Service Manual
 
S-Video
Pin Signal
1 GND
2 GND
3 DLUMA-L
4 DCRMA-L
Composite Video
Pin Signal
5 SPDIF
6 DCMPS-L
7 SPGND
Docking Connector 
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Pin Assignments for I/O Connectors: Dell Latitude C840 Service Manual
 
Pin Signal PinSignal
1 STRB#/5V 101VGA_GRN
2 PD0 102GND
3 PD1 103VGA_RED
4 PD2 104GND
5 PD3 105VGA_BLU
6 PD4 106DOCK_SD/MODE
7 PD5 107D_IRTX
8 PD6 108D_IRRX
9 PD7 109GND
10 GND 110SPIRQB#
11 DOCK_SPKR 111SPIRQC#
12 DOCK_MIC 112DAT_DDC2
13 DOCK_LINE 113CLK_DDC2
14 DOCK_CDROM 114SPAR
15 GND 115SPME#
16 M_SEN# 116GND
17 POWER_SW# 117SSERR#
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Pin Assignments for I/O Connectors: Dell Latitude C840 Service Manual
18QPCIEN# 118SPERR#
19 S1.6M_EN# 119SLOCK#
20 DFDD/LPT# 120SSTOP#
21 GND 121GND
22 NC 122SDEVSEL#
23 NC 123STRDY#
24 D_ATCTLED 124SIRDY#
25 D_PWRLED 125SFRAME#
26 DOCK_PWR_SRC 126SCLKRUN#
27 DOCK_PWR_SRC 127GND
28 DOCK_PWR_SRC 128SGNTA#
29 GND 129SREQA#
30 +5VDOCK 130SGNT0#
31 +5VDOCK 131SREQ0#
32 +5VDOCK 132SPCIRST#
33 +5VDOCK 133SH1SEL#
34 +5VDOCK 134GND
35 GND 135SWRPRT#
36 DOCK_PWR_SRC 136SDSKCHG#/DRQ
37 DOCK_PWR_SRC 137SDIR#
38...

Pin Assignments for I/O Connectors: Dell Latitude C840 Service Manual
45DOCK_+DC_IN 145SRDATA#
46 DOCK_+DC_IN 146SINDEX#
47 DOCK_+DC_IN 147GND
48 DOCK_+DC_IN 148NC
49 GND 149+5VALW
50 LOW_PWR 150NC
51 HSYNC 151GND
52 VSYNC 152CLK_SPCI
53 GND 153GND
54 DOCKED 154SAD0
55 USB_VD1+ 155SAD1
56 USB_VD1- 156SAD2
57 GND 157SAD3
58 USB_VD2+ 158SAD4
59 USB_VD2- 159SAD5
60 DOCKOCI# 160SAD6
61 RUN_ON# 161GND
62 GND 162SAD7
63 NC 163SAD8
64 DOCK_SCLK 164SC/BE0#
65 DOCK_LRCK 165SAD9
66 DOCK_MCLK 166SAD10
67 GND...

Pin Assignments for I/O Connectors: Dell Latitude C840 Service Manual
72GND 172SAD15
73 INIT# 173SAD16
74 SLCT_IN# 174SC/BE1#
75 BUSY 175CD/BE2#
76 PE 176GND
77 SLCT 177SAD17
78 GND 178SAD18
79 DAT_SMB 179SAD19
80 DCLK_SMB 180SAD20
81 SMB_INIT# 181SAD21
82 GND 182GND
83 DAT_DOCKSM1 183SAD22
84 CLK_DOCKSM1 184SAD23
85 DAT_DOCKKBD 185SAD24
86 CLK_DOCKKBD 186SC/BE3#
87 GND 187SAD25
88 RI0 188GND
89 CTS0 189SAD26
90 RTS0 190SAD27
91 DSR0 191SAD28
92 GND 192SAD29
93 DTR0 193SAD30
94 TXD0# 194SAD31
95 RXD0#...