Installing Or Replacing A Memory Module - Lenovo ThinkStation P900 User Manual

8. Pivot the handle 2
position. Pivot the tab
Figure 58. Closing PCI card latches
9. Connect the power cable of the full-length PCI Express card to the new card. See "Locating parts on
the system board" on page 5.
10. Reinstall the direct cooling air baffle if you have removed it. See "Removing and reinstalling the direct
cooling air baffle" on page 94.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 125.

Installing or replacing a memory module

Attention: Do not open your computer or attempt any repair before reading and understanding the "Read
this first: Important safety information" on page v.
Your computer has 16 slots for installing or replacing DDR4 DIMMs that provide up to a maximum of 512 GB
system memory. When installing or replacing a memory module, use the following guidelines:
• Use any of DDR4 ECC UDIMMs, DDR4 ECC RDIMMs, or DDR4 ECC LRDIMMs for your computer. Do not
install the UDIMMs, RDIMMs and LRDIMMs into the same computer.
• Use 4 GB or 8 GB UDIMMs in any combination up to a maximum of 128 GB.
to the right until it stops, and then press it downward until the latch
3 inward until it snaps into position.
1
.
Chapter 9 Installing or replacing hardware
1 snaps into
119