Table 6. Rear view of the system with 2 x 2.5-inch rear drive module (continued)
Item Ports, panels, or slots Icon Description
11 iDRAC dedicated port Enables you to remotely access iDRAC. For more information, see the
iDRAC User's Guide at www.dell.com/poweredgemanuals.
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 s.
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 s) 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
Dell EMC PowerEdge R750 Technical Specifications on product
documentation page.
NOTE: For more information, see the Dell EMC PowerEdge R750 Technical Specifications on the product documentation
page.
Figure 10. Rear view of the system with 4 x 2.5-inch rear drive module
Table 7. Rear view of the system with 4 x 2.5-inch rear drive module
Item Ports, panels, or slots Icon Description
1 Rear drive module N/A Enables you to install drives supported on your system. For more
information about drives, see the Dell EMC PowerEdge R750
Technical Specifications on product documentation page.
2 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 about the expansion cards
supported on your system, see the expansion card guidelines section.
3 Rear handle N/A To lift the system.
4 BOSS S2 module
(optional)
N/A This slot supports the BOSS S2 module.
5 USB 2.0 port (1) This port is USB 2.0-compliant.
6 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 about the expansion cards
supported on your system, see the expansion card guidelines section.
System overview 15