Table 5. Rear view of the system 
Item Ports, panels, or slots Icon Description
12 System identification
button
Press the system ID button:
● To locate a particular system within a rack.
● To turn the system ID on or off.
To reset iDRAC, press and hold the button for more than 16
seconds.
NOTE:
● To reset iDRAC using system ID, ensure that the system ID
button is enabled in the iDRAC setup.
● If the system stops responding during POST, press and hold
the system ID button (for more than 5 seconds) to enter
the BIOS progress mode.
13
OCP NIC port (optional) N/A This port supports OCP 3.0. The NIC ports are integrated on the
OCP card which is connected to the system board.
14 NIC port (1,2) The NIC ports are embedded on the LOM card that is connected to
the system board.
15 Power supply unit (PSU 1) For more information about the PSU configurations, see the
www.dell.com/poweredgemanuals section.
For more information about the ports, see the www.dell.com/poweredgemanuals section.
Figure 10. Rear view of the system with 2 x 2.5-inch rear drive module
Table 6. Rear view of the system with 2 x 2.5-inch rear drive module (continued)
Item Ports, panels, or slots Icon Description
1 PCIe expansion card riser
1 (slot 1 and slot 2)
N/A The expansion card riser enables you to connect PCI Express
expansion cards. For more information on the expansion
cards that are supported on your system, see www.dell.com/
poweredgemanuals section.
2
BOSS S2 card (optional) N/A This slot supports the BOSS S2 module
3
Rear Handle N/A To lift the system.
4
PCIe expansion card riser
2 (slot 3 and slot 6)
N/A The expansion card riser enables you to connect PCI Express
expansion cards. For more information on the expansion
cards that are supported on your system, see www.dell.com/
poweredgemanuals section.
5
Rear drive module N/A Enables you to install drives that are supported on your system. For
more information about drives, see the Drives section.
6
USB 2.0 port (1) This port is USB 2.0-compliant.
7 PCIe expansion card riser
4 (slot 7 and slot 8)
N/A The expansion card riser enables you to connect PCI Express
expansion cards. For more information on the expansion
14 System overview