Dell PowerEdge R900 - Manual (Page 110)

110 Installing System Components
Activating the NIC TOE
To add TCP/IP Offload Engine (TOE) functionality to the system, install the
TOE NIC hardware key in the TOE_KEY socket on the system board. See
"System Board Jumpers and Connectors" on page 153.
I/O Riser
Removing the I/O Riser
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. See your Product
Information Guide for complete information about safety precautions, working
inside the computer, and protecting against electrostatic discharge.
1 Open the system. See "Removing the Top Cover" on page 60.
2 Rotate the retention latch at the back of the card slot into the up position.
3 Push the card latch away from the card and lift on the card out of the
system.