Lenovo 4157 - ThinkStation S20 - 2 GB RAM, Hardware Maintenance Manual

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5. Go to “Completing the FRU replacement” on page 106.
Replacing a PCI adapter card
Attention
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:
http://www.lenovo.com/support.
This section provides information on how to remove or replace a PCI adapter card.
To remove or replace the PCI adapter card, do the following:
1. Remove the computer cover. See “Removing the cover” on page 76.
2. Unlatch and open the adapter card retainer
1
.
3. Take note of the location of all cable connections on the adapter card. It will be necessary to reconnect
them properly when installing a new adapter card.
4. Disconnect all cables connected to the adapter card. See “Locating parts on the system board ”
on page 79.
5. Some models have:
• A screw installed in the adapter bracket, remove this screw.
• An additional retention feature located on the card guide end. Push the retention feature toward the
front of the chassis before removing the adapter card.
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ThinkStation Hardware Maintenance Manual