Dell External OEMR R320 Owner's Manual page 18

Item Indicator, Button, or
Connector
4 Serial connector
5 PCIe expansion card slot 2
6 Video connector
7 Ethernet connectors (2)
8 USB connectors (2)
9 System identification
connector
10 System identification button
11 Power supply (PSU1)
12 Power supply (PSU2)
18
Icon Description
Allows you to connect a serial device to the system.
Allows you to connect a full-height PCI Express expansion
card.
Allows you to connect a VGA display to the system.
Two integrated 10/100/1000 Mbps NIC connector.
Allows you to connect USB devices to the system. The
ports are USB 2.0-compliant.
Connects the optional system status indicator assembly
through the optional cable management arm.
The identification buttons on the front and back panels
can be used to locate a particular system within a rack.
Hot-swappable
hard-drive
systems
Cabled hard-drive
systems
Press to toggle the system ID on and off.
If the system stops responding during POST, press and
hold the system ID button for more than five seconds to
enter BIOS progress mode.
To reset iDRAC (if not disabled in F2 iDRAC setup) press
and hold the button for more than 15 seconds.
350 W and 550 W
NOTE: For non-redundant power supply units, there is
only one power supply socket.
When one of these buttons is
pressed, the LCD panel on the
front and the system status
indicator on the back flashes
until one of the buttons is
pressed again.
When one of these buttons is
pressed, the system status
indicator on the back flashes
until one of the buttons is
pressed again.