Dell PowerEdge R905 Hardware Owner's Manual (PDF) - Page 91
Removing the NIC Daughter Card, System Memory
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8 Close the system. See "Opening the System" on page 65. 9 Reconnect the system to power and restart the system. Removing the NIC Daughter Card 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 Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet. 2 Open the system. See "Opening the System" on page 65. 3 If you have expansion cards installed in slots 6 and 7, you must remove the cards temporarily to remove the NIC card. See "Removing an Expansion Card" on page 80. 4 Pull back slightly on the two blue retention standoff tabs at the front edge of the card and gently lift the edge of the NIC card off of the standoffs. As the card releases from the standoffs, the connector under the NIC card disengages from the system board connector. 5 Slide the card back from the two support standoffs and lift the card out of the system. System Memory You can upgrade your system memory to a maximum of 128 GB (twoprocessor configurations) or 256 GB (four-processor configurations) by installing sets of 512-MB, 1-GB, 2-GB, 4-GB, or 8-Gb (when available) memory modules. 667-MHz registered DDR-II memory modules are supported in all memory sizes. 2-GB and 4-GB (when available) 800-Mhz memory modules are also supported in restricted configurations. Sixteen memory sockets are located on the system board under the cooling shroud assembly. In four-processor systems, sixteen additional sockets are located on the processor expansion module board (PEM). Each processor has two memory channels, organized in sets of four memory module slots per channel. Installing System Components 91