Memory Card And Memory Module (Dimm) - IBM x3950 Problem Determination And Service Manual

6. Slide the server into the rack.

Memory card and memory module (DIMM)

The server supports 333 MHz, 1.8V, 240 pin, PC2-3200 single-ranked double
data-rate (DDR) II, registered synchronous dynamic random-access memory
(SDRAM) with error correcting code (ECC) DIMMs. These DIMMs must be
compatible with the latest PC2-3200 SDRAM Registered DIMM specifications. For a
list of the supported options for the server, see http://www.ibm.com/servers/eserver/
serverproven/compat/us/.
Removing and replacing a memory card
At least one memory card with one pair of DIMMs must be installed for the server
to operate correctly.
To remove the memory card, complete the following steps:
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Remove the top cover (see "Top cover and bezel" on page 131).
3. Open the locking levers on the edge of the memory card; then, lift the memory
4. If you are instructed to return the memory card, follow all packaging instructions,
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IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide
on page 117.
Attention: To ensure proper cooling and airflow, do not operate the server for
more than 2 minutes with the top cover removed.
card out of the server.
and use any packaging materials for shipping that are supplied to you.