Remove The Processor And Memory; Expansion Tray - Lenovo 7X18 Maintenance Manual

Note: If your server comes with two processors, skip this section and go to
power interposer replacement" on page
Remove the processor and memory expansion tray
Use this procedure to remove the processor and memory expansion tray.
Before removing the processor and memory expansion tray:
1. Read the safety information and installation guidelines (see
Guidelines" on page
2. Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
"Power off the server" on page
3. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top
cover, or remove the server from the rack.
4. Remove the top cover (see
5. If you are replacing the processor and memory expansion tray, remove the expansion tray air baffle,
DIMMs (see "Remove a memory module" on page
sink" on page 110) on the expansion tray.
Figure 115. Expansion tray air baffle removal
Attention:
• Do not remove or install DIMMs and processors on the processor and memory expansion tray when
the expansion tray is removed, for the instability might cause damages to components.
To remove the processor and memory expansion tray, complete the following steps:
Step 1. Slightly pull out power supply 2.
Attention: Do not remove the processor and memory expansion tray without physically
disconnecting power supply 2.
Step 2. Grasp the handle of the processor and memory expansion tray; then, pull and rotate it all the way
up until it is in the vertical position. This disengages the expansion tray from the system board.
ThinkSystem SR850 Maintenance Manual
120
126.
55).
11).
"Remove the top cover" on page
"System board air baffle and the
"Safety" on page iii
145).
84), and PHMs (see "Remove a processor and heat
and "Installation