Acer Altos R520 用户手册

 3 System upgrade

58

To install the PCI riser assembly:

1

Observe the ESD precautions and pre-installation instructions 
described on page 39.

2

Lower the PCI riser assembly (A), aligning the four hooks on the 
back edge of the riser assembly with the matching slots on the rear 
of the chassis (B). 

3

Press down on the assembly until the four hooks on the rear of the 
riser assembly engage the chassis rear panel slots. The riser cards 
will seat into the matching sockets on the mainboard. 

4

Connect the cables to the installed PCI card. 

5

Observe the post-installation instructions described on page 40. 

Removing and installing a PCI card

To remove a PCI card:

1

Observe the ESD precautions and pre-installation instructions 
described on page 39.

2

Remove the CPU air duct. Perform the instructions described in “To 
remove the CPU air duct” section on page 45.

3

Remove the PCI riser assembly from the server. See “To remove the 
PCI riser assembly” section on page 56.

4

Open the rear retention clip by pushing the blue slide upward and 
rotating clip to the fully open position.