IBM BladeCenter HS20 Installation And User Manual page 38

v Install the DIMMs in the following order:
v When you install memory, you must install a pair of matched DIMMs.
v Both DIMMs in a pair must be the same size, speed, type, technology, and
v The second pair does not have to be DIMMs of the same size, type, technology,
v If you wish to take advantage of Chipkill memory, each DIMM installed in your
v Install only 1.8 V, 240-pin, DDR2, PC3200, registered SDRAM with ECC DIMMs
v Installing or removing DIMMs changes the configuration information for the blade
To install a DIMM, complete the following steps:
1. Read the safety information beginning on page v and "Installation guidelines" on
2. Read the documentation that comes with the DIMMs.
3. Shut down the operating system, turn off the blade server, and remove the
4. Carefully lay the blade server on a flat, non-conductive surface.
5. Open the blade server cover (see "Opening the blade server cover" on page 23
6. Locate the DIMM connectors on the system board (see the above illustration).
7. Touch the static-protective package that contains the DIMM option to any
26
BladeCenter HS20 Type 7981: Installation and User's Guide
Pair
First
Second
physical design. You can mix compatible DIMMs from different manufacturers.
and physical design as the first pair.
blade server must support the Chipkill technology.
that are compatible with the latest PC3200 SDRAM Registered DIMM
specification. For a current list of supported DIMMs for the blade server, see the
ServerProven list at http://www.ibm.com/servers/eserver/serverproven/compat/us/.
server. After installing or removing a DIMM, you must change and save the new
configuration information by using the Configuration/Setup Utility program. When
you restart the blade server, it displays a message indicating that the memory
configuration has changed. Start the Configuration/Setup Utility program and
select Save Settings. See "Configuration/Setup Utility menu choices" on page 40
for more information.
page 21.
blade server from the BladeCenter unit. See "Removing the blade server from
the BladeCenter unit" on page 22 for instructions.
for instructions).
DIMM slot 4
DIMM slot 3
Determine the connectors into which you will install the DIMMs.
unpainted metal surface on the BladeCenter unit or any unpainted metal surface
on any other grounded rack component in the rack you are installing the DIMM
option in for at least 2 seconds; then, remove the DIMM from its package.
DIMM connectors
1 (J113) and 2 (J111)
3 (J112) and 4 (J110)
DIMM 2
DIMM 1