Acer AT310 F1 - Manual (Page 54)

3 System upgrades 36
Opening the server
Caution: Before you proceed, make sure that you have turned off
the system and all peripherals connected to it. Read the
Pre-installation instructions section on page 28.
You need to open the server before you can install upgrade
components. The left side panel is removable to allow access to the
server’s internal components. Refer to the following sections for
instructions.
Removing and installing the side panel
Removing the side panel
1 Perform the pre-installation instructions described on page 28.
2 Remove the two thumb screws on the rear edge of the side panel.
3 Slide and hold the locking switch.
4 Slide the side panel toward the rear of the server to disengage it
then lift the panel away from the server.