Lenovo ThinkServer TD340 User Manual
Page 110
The following table explains the memory module installation order for servers that have two microprocessors
(CPU1 and CPU2) installed.
Table 14. Memory module installation order in lockstep mode for servers with two microprocessors
CPU1 DIMM
CPU2 DIMM
A1
A2
B1
B2
C1
C2
D1
D2
E1
E2
F1
F2
DIMM installation order
1
5
2
6
3
7
4
8
Installing a memory module
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 83.
This topic provides instructions on how to install a memory module.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Notes:
• To optimize system performance, ensure that you consider and follow the memory module installation
rules when performing the operation. See “Memory module installation rules” on page 93.
• Use any documentation that comes with the memory module and follow those instructions in addition to
the instructions in this topic.
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 85.
3. Lay the server on its side for easier operation.
4. Locate the memory slots on the system board. See “System board components” on page 48.
5. Remove any parts or disconnect any cables that might prevent your access to the memory slots.
6. Open the retaining clips of the appropriate memory slot. See “Memory module installation rules” on
page 93 for the installation sequence information.
Figure 46. Opening the retaining clips of the memory slots
98
ThinkServer TD340 User Guide and Hardware Maintenance Manual