Installing A Memory Module - IBM HS12 - BladeCenter - 8028 Service Manual

Installing a memory module

Use these instructions to install memory modules in the blade server.
The following notes describe the types of direct inline memory modules (DIMMs)
that the blade server supports and other information that you must consider when
you install DIMMs:
Note:
1. The following illustration shows the location of the DIMM connectors on the
2. The illustrations in this document might differ slightly from your hardware.
v The system board has DIMM connectors.
v The server supports two-way memory interleaving.
v The optional DIMMs that are available for the blade server are 512 MB, 1 GB, 2
v When you install memory, you must install a pair of matched DIMMs. Some
v All DIMMs in a pair or group must be the same size, speed, type, technology,
v Install only ECC DDR2 667 DRAM with ECC DIMMs. For a current list of
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BladeCenter HS12 Type 8014, 8028 or 1916: Problem Determination and Service Guide
system board.
GB, and 4 GB. Depending on the memory configuration that is set in the
Configuration/Setup Utility program, the blade server can support a minimum
of 1 GB and a maximum of 24 GB of system memory on the system board.
blade server models come with one DIMM installed in DIMM slot 1. In this case,
you must order and install a second matched DIMM in DIMM slot 2. Install the
DIMMs in the order shown in the following table.
Table 2. DIMM configuration
Pair
First
Second
Third
Table 3. DIMM Population Rule
DIMM 5 and DIMM
Configuration
1
2
3
4
5
6
7
8
9
10
and physical design. You can use compatible DIMMs from different
manufacturers.
supported DIMMs for the blade server, see http://www.ibm.com/servers/
eserver/serverproven/compat/us/.
DIMM pairs and location
DIMM 1 and DIMM 2
DIMM 3 and DIMM 4
DIMM 5 and DIMM 6
DIMM 3 and DIMM
6
X
X Single rank
Single rank Single rank
X
X Dual rank
Dual rank Dual rank
X Dual rank
X Single rank
Dual rank Single rank
Dual rank Dual rank
DIMM 1 and DIMM
4 2
X Single rank
Single rank
Single rank
X Dual rank
Dual rank
Dual rank
Single rank
Dual rank
Single rank
Single rank