Network Daughter Card; Removing The Network Daughter Card - Dell PowerEdge R930 Owner's Manual

Network daughter card

The Network Daughter Card (NDC) contains the complete Network Interface Card (NIC) subsystem, it replaces the traditional LAN-on-
Motherboard (LOM) design with the flexible new features, network types, speed and easy to upgrade from 1G to 10G LAN speeds.
NDC riser is installed on a dedicated PCIe slot 2 on the system board. It provides the following interfaces from the system board:
• PCIe x8 Gen3 link
• PCIe x2 Gen2 link
• Network Controller Sideband Interface (NC-SI)
• I-two-C (I2C)
• Power on and grounding
• Miscellaneous control signals

Removing the network daughter card

Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
1 Follow the safety guidelines listed in the Safety instructions section.
2 Follow the procedure listed in the Before working inside your system section.
3 Remove the Network Daughter Card (NDC) riser.
NOTE: The NDC is on riser 1.
Steps
1 Loosen the captive screws that secure NDC to the NDC riser bracket.
2 Hold the NDC by its edges, and pull until the connector on the NDC disengages from the connector on the NDC riser card.
3 Slide the NDC away from the NDC riser bracket until the Network Interface Card (NIC) connectors are clear of the slot.
118 Installing and removing system components