Dell PowerEdge R930 Owner's Manual page 14

Item Indicator, Button, or Connector Icon
7 USB port (2)
8 Serial port
9 System identification port
10 System identification button
14 About the PowerEdge R930
Description
Four integrated 10/100/1000 Mbps NIC connectors
or
Four integrated connectors that include:
• Two 10/100/1000 Mbps NIC connectors
• Two 100 Mbps/1 Gbps/10 Gbps and two SFP+/10 GbE T
connectors
• Four SFP+/10 GbE T connectors
Use the USB 2.0 port to connect USB devices to the system. This
port is 4-pin, USB 2.0 compliant.
Use the serial port to connect a serial device to the system. For
more information about the supported serial port, see the Technical
specifications section.
Use the system identification port to connect the system status
indicator assembly through the optional cable management arm.
Press the system ID button:
• To locate a particular system within a rack.
• To turn the system ID on or off.
NOTE: To reset the iDRAC (if not disabled in System
Setup), press and hold the button for more than 15
seconds.
NOTE: If the system stops responding during POST, press
and hold the system ID button (for more than five
seconds) to enter the BIOS progress mode.