Lenovo ThinkStation P300 - Manual (Page 90)

7. Position the new memory module over the memory slot. Ensure that the notch 1 on the memory
module aligns correctly with the slot key 2 on the system board. Push the memory module straight
down into the slot until the retaining clips close.
Figure 16. Installing a memory module
8. Reinstall the PCI Express x16 graphics card if you have removed it.
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 123.
Installing or replacing a PCI card
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Read this first: Important
safety information” on page v.
This section provides instructions on how to install or replace a PCI card. Your computer has one PCI
card slot, one PCI Express x1 card slot, one PCI Express x16 card slot (negotiable link width x4, x1), and
one PCI Express x16 graphics card slot.
To install or replace a PCI card, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 74.
3. Rotate the PCI card retainer to the open position.
78 ThinkStation P300 User Guide