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4. If a Memory and I/O Expansion Blade is installed and you are removing DIMMs
5. Locate the DIMM connectors. Determine which DIMM you want to remove from
6. Move the DIMM retaining clips on the side of the DIMM socket to the open
7. Using your fingers, pull the DIMM out of the DIMM socket.
8. If you are instructed to return the DIMM, follow all packaging instructions, and
Installing a memory module
For blade servers with no Memory and I/O Expansion Blade, when you install
memory, you must install a pair of matched DIMMs. Install the DIMMs in the
following order:
Pair
First
Second
To set up a non-mirrored memory configuration for a blade server with a Memory
and I/O Expansion Blade, when you install memory, you must install a pair of
matched DIMMs. Install the DIMMs in the following order:
Pair
First
Second
Third
Fourth
To set up a mirrored memory configuration for a blade server with a Memory and
I/O Expansion Blade, when you install memory, you must install matched DIMMs in
groups of four. Install the DIMMs in the following order:
Group
First
Second
88
BladeCenter HS21 Types 1885 and 8853: Problem Determination and Service Guide
from the system board, remove the Memory and I/O Expansion Blade (see
"Removing an expansion unit" on page 82).
the blade server.
Attention:
To avoid breaking the retaining clips or damaging the DIMM
connectors, handle the clips gently.
position by pressing the retaining clips away from the center of the DIMM
socket.
use any packaging materials for shipping that are supplied to you.
DIMM connectors
1 (J141) and 3 (J143)
2 (J142) and 4 (J144)
DIMM connectors
1 (system board J141) and 3 (system board J143)
5 (Memory and I/O Expansion Blade J18) and 7
(Memory and I/O Expansion Blade J20)
2 (system board J142) and 4 (system board J144)
6 (Memory and I/O Expansion Blade J19) and 8
(Memory and I/O Expansion Blade J21)
DIMM connectors
1 (system board J141) and 3 (system board J143)
5 (Memory and I/O Expansion Blade J18) and 7
(Memory and I/O Expansion Blade J20)
2 (system board J142) and 4 (system board J144)
6 (Memory and I/O Expansion Blade J19) and 8
(Memory and I/O Expansion Blade J21)
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