Lenovo 3074 Server User Manual


 
3. Note the orientation of the cooling shroud and then place it above the server so that the tabs on both
sides of the cooling shroud are aligned with the corresponding holes or gaps in both sides of the
chassis. Then, lower the cooling shroud into the chassis until it snaps into position.
Note: If necessary, gently press the cooling shroud on both sides so that the tabs on the cooling shroud
completely engage with both sides of the chassis.
PSU
Mem
CPU
ID
Figure 32. Reinstalling the cooling shroud
4. Go to “Reinstalling the server cover and reconnecting cables” on page 147.
Installing or removing a memory module
This topic provides instructions on how to install or remove a memory module.
Note: The memory modules are extremely sensitive to ESD. Ensure that you read and understand “Handling
static-sensitive devices” on page 68 rst and carefully perform the operation.
Memory module installation rules
Your server has 12 memory slots and it has the following features:
Each slot supports 4 GB, 8 GB, and 16 GB 1333 MHz double data rate 3 low-voltage registered dual inline
memory modules (DDR3 LV RDIMMs).
Each slot supports 4 GB, 8 GB, and 16 GB 1333 MHz DDR3 RDIMMs.
Each slot supports 2 GB and 4 GB 1333 MHz DDR3 unbuffered dual inline memory modules (UDIMMs)
with Error Checking and Correcting (ECC) technology.
Your server supports up to six memory modules when one microprocessor is installed and up to 12
memory modules when two microprocessors are installed.
The minimum system memory for RDIMMs or LV RDIMMs is 4 GB (only one microprocessor installed and
only one 4 GB RDIMM or LV RDIMM installed in the CPU1 DIMMA1 slot).
Chapter 6. Installing, removing, or replacing hardware 75