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# Pin Assignments for I/O Connectors

Dell™ Latitude™ X200 Service Manual

Pin Assignments for the Computer

Pin Assignments for the Media Base

## Pin Assignments for the Computer

### USB Connector

Pin | Signal
--- | ---
1 | VCC
2 | -Data
3 | +Data
4 | Ground

### Video Connector

Pin | Signal | Pin | Signal
--- | --- | --- | ---
1 | RED | 9 | CRT_VCC
2 | GREEN | 10 | GND
3 | BLUE | 11 | NC
4 | NC | 12 | DAT_DDC2
5 | GND | 13 | HSYNC
6 | GND | 14 | VSYNC
7 | GND | 15 | CLK_DDC2
8 | GND |  |

### IEEE 1394 Connector

1 | TPA-
2 | TPB-
3 | P12V
4 | GND
5 | TPB+
6 | TPA+

## Pin Assignments for the Media Base

### Docking Connector

Pin | Signal | Pin | Signal
--- | --- | --- | ---
1 | DCK3_DOCK_IN2 | 51 | P3.3V_LAN
2 | KBC3_DCKRST | 52 | FDD3_STEP
3 | ADID | 53 | PS25_KCLK
4 | DCK_DCIN | 54 | FDD3_WGATE
5 | PIO3_STROBE | 55 | PS25_KDATA
6 | VGA3_RED | 56 | FDD3_WP
7 | PIO3_ACK | 57 | PS25_MCLK
8 | VGA3_GREEN | 58 | FDD3_HDSEL
9 | PIO3_BUSY | 59 | PS25_MDATA
10 | VGA3_BLUE | 60 | NC
11 | PIO3_PE | 61 | SIO3_DTR1
12 | VGA5_DDCD | 62 | 1394_TPB-
13 | NC | 63 | SIO3_TXD1
14 | VGA5_DDCC | 64 | 1394_TPB+
15 | PIO3_SLCT | 65 | SIO3_RTS1
16 | VGA5_HSYNC | 66 | NC
17 | PIO3_AUTOFD | 67 | NC
18 | VGA5_VSYNC | 68 | 1394_TPA-
19 | PIO3_ERROR | 69 | SIO3_CTS1
20 | NC | 70 | 1394_TPA+
21 | PIO3_INIT | 71 | SIO3_RI1
22 | KBC3_EJECT | 72 | NC
23 | PIO3_SLCTIN | 73 | SIO3_RXD1
24 | CHP3_DCKSTS | 74 | DCK5_SPKR_MUTE
25 | NC | 75 | SIO3_DSR1
26 | USB3_P2+ | 76 | CD5_L
27 | PIO3_PD(0) | 77 | SIO3_DCD1
28 | USB3_P2- | 78 | CD5_R
29 | PIO3_PD(1) | 79 | NC
30 | NC | 80 | CD5_COM
31 | PIO3_PD(2) | 81 | KBC3_DCKDCEN
32 | FDD3_INDEX | 82 | DCK5_LINE_OUT_L
33 | PIO3_PD(3) | 83 | AUD3_SPDIF
34 | FDD3_DSKCHG | 84 | DCK5_LINE_OUT_R
35 | PIO3_PD(4) | 85 | NC
36 | FDD3_DIR | 86 | NC
37 | PIO3_PD(5) | 87 | USB3_P5+
38 | FDD3_WDATA | 88 | LAN3_RX+
39 | PIO3_PD(6) | 89 | USB3_P5-
40 | FDD3_TRK0 | 90 | LAN3_RX-
41 | PIO3_PD(7) | 91 | NC
42 | FDD3_RDATA | 92 | NC
43 | NC | 93 | USB3_P4+
44 | NC | 94 | LAN3_TX+
45 | LAN3_EECLK | 95 | USB3_P4-
46 | FDD3_J3MODE | 96 | LAN3_TX-
47 | LAN3_DTOEE | 97 | NC
48 | FDD3_DS0 | 98 | NC
49 | LAN3_DFRMEE | 99 | KBC3_DCKPWRON
50 | FDD3_MTR0 | 100 | DCK3_DOCK_IN1

### PS/2 Connector

Pin | Signal
--- | ---
1 | DAT_KBD
2 | DAT_SM1
3 | GND
4 | PS2VCC
5 | CLK_KBD
6 | CLK_SM1

### USB Connector

Pin | Signal
--- | ---
1 | VCC
2 | -Data
3 | +Data
4 | Ground

### IEEE 1394 Connector

1 | TPB-
2 | TPB+
3 | TPA-
4 | TPA-

### Serial Connector

Pin | Signal | Pin | Signal
--- | --- | --- | ---
1 | DCD | 6 | DSR
2 | RXDA | 7 | RTS
3 | TXDA | 8 | CTS
4 | DTR | 9 | RI
5 | GND |  |

### Parallel Connector

Pin | Signal | Pin | Signal
--- | --- | --- | ---
1 | STRB#/5V | 10 | ACK#/DRV#
2 | PD0/INDEX# | 11 | BUSY/MTR#
3 | PD1/TRK0# | 12 | PE/WDATA#
4 | PD2/WP# | 13 | SLCT/WGATE#
5 | PD3/RDATA# | 14 | AUTOFD#
6 | PD4/DSKCHG# | 15 | ERROR#/HDSEL#
7 | PD5F | 16 | INIT#/DIR#
8 | PD6F | 17 | SLCT_IN/#STEP#
9 | PD7F | 18-25 | GND

### Video Connector

Pin | Signal | Pin | Signal
--- | --- | --- | ---
1 | RED | 9 | CRT_VCC
2 | GREEN | 10 | GND
3 | BLUE | 11 | NC
4 | NC | 12 | DAT_DDC2
5 | GND | 13 | HSYNC
6 | GND | 14 | VSYNC
7 | GND | 15 | CLK_DDC2
8 | GND |  |

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