Video Connector; Usb Connector - Dell PowerEdge 1750 Installation And Troubleshooting Manual

The PS/2-compatible keyboard and mouse cables attach to 6-pin, miniature DIN connectors.
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
Pin Signal I/O Definition
1 KBDATA or MSDATA I/O
2 NC N/A
3 GND N/A
4 FVcc N/A
5 KBCLK or MSCLK I/O
6 NC N/A
Shell N/A N/A

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.
illustrates the pin numbers for the video connector and
NOTE: Installing a video card automatically disables the system's integrated video controller.
Figure B-5. Video Connector Pin Numbers
Table B-4. Video Connector Pin Assignments
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

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
Keyboard data or mouse data
No connection
Signal ground
Fused supply voltage
Keyboard clock or mouse clock
No connection
Chassis ground
Table B-4 defines the pin assignments for the connector.
illustrates the pin numbers for the USB connector and
Figure B-4 illustrates the pin numbers for these connectors and
Table B-5 defines the pin assignments for the connector.
Figure B-5