Installing Or Replacing A Full-Length Pci Express Card - Lenovo ThinkStation P900 User Manual

Installing or replacing a full-length PCI Express 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.
Your computer has the following PCI card slots:
• PCI Express x1 card slot
• PCI Express x4 card slot
• PCI Express x16 graphics card slot
Notes:
• The full-length PCI Express card is available only in some models.
• If you want to use an NVIDIA compute card, ensure that your computer also has an NVIDIA graphics
card installed.
To install or replace a full-length PCI Express card, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See "Removing the computer cover" on page 73.
3. Lay the computer on its side for easier access to the PCI card slots.
4. Locate the PCI card slot in which you want to install or replace a PCI card. See "Locating parts on
the system board" on page 5.
Note: If your computer is installed with only one microprocessor, refer to the order of installing PCI
cards shown on the left figure. If your computer is installed with two microprocessors, refer to the order
of installing PCI cards shown on the right figure.
1
Figure 74. The order of installing PCI cards
5. Remove the direct cooling air baffle if it impedes your operation. See "Removing and reinstalling the
direct cooling air baffle" on page 90.
6. Depending on whether you are installing or replacing a full-length PCI Express card, do one of the
following:
• If you are installing a full-length PCI Express card, do the following:
4
3
6
1
8
2
7
5
.
Chapter 9 Installing or replacing hardware
119