Memory Module Replacement - Lenovo ThinkSystem SD530 V3 User Manual

Memory module replacement

Follow instructions in this section to remove or install a memory module.
Remove a memory module
Follow instructions in this section to remove a memory module.
About this task
To avoid potential danger, make sure to read and follow the safety information.
Attention:
• Read "Installation Guidelines" on page 41
you work safely.
• 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.
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. Make preparations for this task.
a. Power off the node (see
from the node.
b. Remove the node from the chassis (see
carefully lay the node on a flat, static-protective surface, orienting the node with the front
toward you.
Notes:
and "Safety inspection checklist" on page 42
43:
"Power off the node" on page
"Remove a node from the chassis" on page
51); then, disconnect all external cables
.
Chapter 5 Hardware replacement procedures
to make sure that
72); then,
105