Lenovo THINKSERVER RD230 Bedienungsanleitung PDF herunterladen (Seite 50)

Table 9. DIMM installation rules when two microprocessors (CPU0 and CPU1) are

installed (continued)

DIMM slot Two DIMMs Four DIMMs Six DIMMs Eight DIMMs

CPU0 DIMM

CHC0

X, 5 X, 5

CPU1 DIMM

CHA1

X, 8

CPU1 DIMM

CHA0

X, 2 X, 2 X, 2 X, 2

CPU1 DIMM

CHB0

X, 4 X, 4 X, 4

CPU1 DIMM

CHC0

X, 6 X, 6

Note: For the Channel Mirroring Mode, it requires that you install the DIMMs in pair, and

the DIMM installation for Channel Mirroring Mode when two microprocessors (CPU0 and

CPU1) are installed is shown below. Follow this sequence rather than the sequence listed

above if you want to use the Channel Mirroring Mode.

1. Pair 1: install a DIMM on CPU0 DIMM CHA0 and then install a DIMM on CPU0

DIMM CHB0.

2. Pair 2: install a DIMM on CPU1 DIMM CHA0 and then install a DIMM on CPU1

DIMM CHB0.

Installing a memory module

Attention

Do not open your server or attempt any repair before reading and understanding the Safety

Information and the Warranty and Support Information on the ThinkServer Documentation DVD

that comes with your product, and “Guidelines” on page 37. To obtain a copy of the

publications, go to:

http://www.lenovo.com/support

This section provides instructions on how to install a memory module.

To install a memory module, do the following:

1. Remove all media from the drives and turn off all attached devices and the

server. Then, disconnect all power cords from electrical outlets and disconnect

all cables that are connected to the server.

2. Remove the server cover. See “Removing the server cover” on page 42.

3. Locate the appropriate memory slot on the system board into which you will

install the memory module. To optimize system performance, follow the related

memory module installation rules and install the memory module into a

memory slot starting with the memory module farthest from the

microprocessor. See “Memory module installation rules” on page 43.

4. Open the retaining clips of the memory slot into which you want to install the

memory module.

44 ThinkServer RD230 Types 1043, 1044, 4010, and 4011: Hardware Maintenance Manual

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