Lenovo ThinkStation P520, User Manual, Page: 127 / 174

6. To install a PCIe card retainer, insert the corresponding end of the PCIe card retainer into the gaps in the
PCIe card latch as shown. Pivot the retainer downward to insert the part a into the corresponding slot in
the front fan assembly. Then, pivot the tab on the front fan assembly to close the latch inside.
Figure 107. Installing the PCIe card retainer
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 134.
Full-length PCIe card
Attention: Do not open your computer or attempt any repair before reading and understanding the “Read
this first: Important safety information” on page iii.
Your computer comes with the following combinations: one standard PCI card slot, two PCIe 3.0 x4 card
slots, one PCIe 3.0 x8 card slot, and two PCIe 3.0 x16 card slots.
To remove or install a full-length PCIe card, do the following:
1. Prepare your computer. See “Preparing your computer and removing the computer cover” on page 59.
2. Lay the computer on its side for easier access to the system board.
Chapter 7
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Hardware removal and installation
115