Lenovo ThinkSystem SD550 V3 User Manual page 148

• Make sure to remove or install memory module 20 seconds after disconnecting power cords from the
system. It allows the system to be completely discharged of electricity and safe for handling memory
module.
• Memory modules are sensitive to static discharge and require special handling. Refer to the standard
guidelines for "Handling static-sensitive devices" on page
– Always wear an electrostatic-discharge strap when removing or installing memory modules.
Electrostatic-discharge gloves can also be used.
– Never hold two or more memory modules together so that they do not touch each other. Do not stack
memory modules directly on top of each other during storage.
– Never touch the gold memory module connector contacts or allow these contacts to touch the outside
of the memory module connector housing.
– Handle memory modules with care: never bend, twist, or drop a memory module.
– Do not use any metal tools (such as jigs or clamps) to handle the memory modules, because the rigid
metals may damage the memory modules.
– Do not insert memory modules while holding packages or passive components, which can cause
package cracks or detachment of passive components by the high insertion force.
• When a processor is installed, each of the DIMM slots connected to the processor must be installed with a
DIMM or DIMM filler.
– DIMM slots 1-8 are connected to processor 1
– DIMM slots 9-16 are connected to processor 2
Important: Remove or install memory modules for one processor at a time.
Firmware and driver download: You might need to update the firmware or driver after replacing a
component.
• Go to
https://datacentersupport.lenovo.com/products/servers/thinksystem/sd550v3/7dd2/downloads/driver-
list to see the latest firmware and driver updates for your server.
• Go to "Update the firmware" on page 231
Procedure
Attention: Make sure to remove or install memory module 20 seconds after disconnecting power cords from
the system. It allows the system to be completely discharged of electricity and safe for handling memory
module.
Step 1. Locate the required memory module slot on the system board.
Notes:
• Make sure to observe the installation rules and sequence order in
rules and order" on page
ThinkSystem SD550 V3 User Guide
138
45:
for more information on firmware updating tools.
47.
"Memory module installation