Acer AT350 F1 - Manual (Page 78)

3 System upgrades 66
10 Close the restraining latch (7).
11 Connect the appropriate cables to the card.
12 Observe the post-installation instructions described on page 27.
When you turn on the system, the BIOS setup automatically
detects and assigns resources to the new device (applicable only to
Plug-and-Play expansion cards).