Asus P9D-X User Guide - Page 45

2.8 Connectors 2.8.1 Rear panel connectors 1. PS/2 keyboard/mouse port (purple/green). This port is for a PS/2 keyboard or mouse. 2. USB 3.0 ports 1 and 2. These two 4-pin USB ports are available for connecting USB 3.0 devices. 3. Serial port (COM1). This 9-pin communication port is for pointing devices. It is also used for serial interface for data transfer. 4. Video Graphics Adapter port. This port is for a VGA monitor or other VGA-compatible devices. 5. RJ-45 ports for LAN. These ports allows Gigabit connection to a Local Area Network (LAN) through a network hub. Refer to the table below for the LAN port LED indications. 6. Power-on Button. Press this button to turn on the system. 7. Location LED. The Location LED is an onboard LED that ligths up when the Location Button on the front panel is pressed. This LED helps you visually locate the server among other servers especially when you are located at the back of the server rack. 8. Power LED. This LED lights up when the Power-on button is pressed and the system is on. 9. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. LAN port LED indications Activity/Link LED Speed LED Status Description Status Description OFF No link OFF 10 Mbps connection GREEN Linked ORANGE 100 Mbps connection BLINKING Data activity GREEN 1 Gbps connection ACT/LINK SPEED LED LED LAN port ASUS P9D-X 2-25