Dell PowerEdge R940 Installation and Service Manual

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Back view of the system

You can access the following components from the back of the system:
Figure 1. Back view features . This image shows back view features.
This image shows the back view of the system
Table 1. Features available on the back of the systemThe following table provides information about the features available on the back of the system.
Item Slot, button, or connector Icon Description
1 expansion card riser (right) N/A

The expansion card riser (right) supports up to three full-height PCI Express expansion cards. For more information, see the Expansion card installation guidelines section.

2 expansion card slot N/A

The expansion slots on the system board supports full-height half-length PCI Express expansion cards.

3 NIC port (4) Ethernet connector icon

The NIC ports that are integrated on the network daughter card (NDC) provide network connectivity. For more information about the supported configurations, see the Technical specifications section.

4 expansion card riser (left) N/A

The expansion card riser (left) supports up to three full-height PCI Express expansion cards. For more information, see the Expansion card installation guidelines section.

5 Power supply unit (2) Power supply unitFor more information, see the Technical specifications section.
6 Video port video connector icon

Enables you to connect a display device to the system. For more information, see the Technical specifications section.

7 Serial port serial connector icon

Enables you to connect a serial device to the system. For more information, see the Technical specifications section.

8 iDRAC9 Enterprise port iDRAC icon

Enables you to remotely access iDRAC. For more information, see the iDRAC User’s Guide at www.dell.com/poweredgemanuals.

9 USB port (2) USB 3.0 connector icon

The USB ports are 9-pin, USB 3.0-compliant. These ports enable you to connect USB devices to the system.

10 System identification button System identification icon

The System Identification (ID) button is available on the front and back of the systems. Press the button to identify a system in a rack by turning on the system ID button. You can also use the system ID button to reset iDRAC and to access BIOS using the step through mode.

11 System status indicator cable port Enables you to connect the status indicator cable and view system status when the CMA is installed.

For more information, see the Dell EMCPowerEdgeR940 Technical Specifications on the product documentation page.


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