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Installing or replacing a PCI card - ThinkStation C20 (type 4262, 4263, 4264, 4265), C20x (type 4266, 4269, 4271, 4272)


Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkStation Safety and Warranty Guide, go to:

This section provides instructions on how to install or replace a PCI card. Your computer has the following six expansion slots for installing or replacing PCI cards:

  • Two PCI card slots
  • One PCI Express x1 card slot
  • One PCI Express x4 card slot (x16 mechanical)
  • Two PCI Express x16 card slots

To install or replace a PCI 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".
  3. Remove the PCI card holder. See "Removing and reinstalling the PCI card holder".
  4. If you are installing a PCI card, remove the appropriate metal slot cover. If you are replacing an old PCI card, grasp the old card that is currently installed and gently pull it out of the slot, as shown:

Removing a PCI card

Figure 1. Removing a PCI card

a. The card fits tightly into the card slot. If necessary, alternate moving each side of the card a small amount until it is removed from the card slot.
b. If the card is held in place by a retaining latch, press the card retaining latch (1) as shown to disengage the latch. Grasp the card and then gently pull it out of the slot.

card retaining latch

  1. Remove the new PCI card from its static-protective package.
  2. Install the new PCI card into the appropriate slot on the system board. See "Locating parts and connectors on the system board".

Installing a new PCI card

Figure 2. Installing a new PCI card

  1. Reinstall the PCI card holder into the chassis. See "Removing and reinstalling the PCI card holder".
  2. To complete the installation or replacement, go to "Completing the parts replacement".
Purchase parts online

  • Alias ID: MIGR-75658
  • Document ID: PD012861
  • Last Updated :17 Jun 2014
  • (c) 2014 Lenovo