Lenovo Flex System x440 Compute Node Installation And Service Manual page 912

Table 14. DIMM population sequence for mirrored-channel mode (continued)
Number of DIMM pairs
installed
18
1. For mirrored-channel mode, the DIMM pair must be identical in size, type, and rank count.
To install a DIMM, complete the following steps:
Step 1. Remove the cover (see
Step 2. Read the documentation that comes with the DIMM.
Step 3. Remove the air baffle installed over the DIMM connector.
Step 4. Locate the DIMM connectors (see
DIMM connector you want to install the DIMM in.
Step 5. Touch the static-protective package that contains the DIMM to any unpainted metal surface on the
Flex System chassis or any unpainted metal surface on any other grounded rack component in the
rack in which you are installing the DIMM for at least 2 seconds; then, remove the DIMM from its
package.
Lenovo Flex System x440 Compute NodeInstallation and Service Guide
902
1 microprocessor
installed
"Removing the compute node cover" on page
Air baffles
"System-board connectors" on page
2 microprocessor
installed
4 microprocessor
installed
DIMMs 1 and 4, 13 and 16,
33 and 36, 45 and 48, 9
and 12, 21 and 24, 25 and
28, 37 and 40, 2 and 5, 14
and 17, 32 and 35, 44 and
47, 8 and 11, 20 and 23, 26
and 29, 38 and 41, 3 and 6,
15 and 18 1
888).
18). Determine which