Acer Altos R720 Series - Manual (Page 98)

3 System upgrade 88
To install the SAS mid-plane board
1 Observe the ESD precautions and pre-installation instructions
described on page 35.
2 Remove the air baffles. See “To remove the small air baffle”
section on page 48.
3 Position the mid-plane board over the retention clips (A).
4 Slide it forward (B) and insert the mid-plane into the backplane
connector (C).
5 Connect the cables to the mid-plane board.
6 Observe the post-installation instructions described on page 36.