Dell PowerEdge 1750 - Manual (Page 8)

The PS/2-compatible keyboard and mouse cables attach to 6-pin, miniature DIN connectors. Figure B -4 illustrates the pin numbers for these connectors and
Table B -3 defines the pin assignments for these connectors.
Figure B-4. PS/2-Compatible Keyboard and Mouse Connector Pin Numbers
Table B-3. Keyboard and Mouse Connector
Pin Assignments
Video Connector
You can attach a VGA-compatible monitor to the system's integrated video controller using a 15-pin high-density D-subminiature connector. Figure B -5
illustrates the pin numbers for the video connector and Table B -4 defines the pin assignments for the connector.
Figure B-5. Video Connector Pin Numbers
Table B-4. Video Connector Pin Assignments
USB Connector
The system's USB connector supports USB-compliant peripherals such as keyboards, mice, and printers and may also support USB-compliant devices such as
diskette drives and CD drives. Figure B -6 illustrates the pin numbers for the USB connector and Table B -5 defines the pin assignments for the connector.
Pin Signal I/O Definition
1 KBDATA or MSDATA I/O Keyboard data or mouse data
2 NC N/A No connection
3 GND N/A Signal ground
4 FVcc N/A Fused supply voltage
5 KBCLK or MSCLK I/O Keyboard clock or mouse clock
6 NC N/A No connection
Shell N/A N/A Chassis ground
NOTE: Installing a video card automatically disables the system's integrated video controller.
Pin Signal I/O Definition
1 RED O Red video
2 GREEN O Green video
3 BLUE O Blue video
4 NC N/A No connection
5–8, 10 GND N/A Signal ground
9 VCC N/A Vcc
11 NC N/A No connection
12 DDC data out O Monitor detect data
13 HSYNC O Horizontal synchronization
14 VSYNC O Vertical synchronization
15 DDC clock out O Monitor detect clock