Removing And Installing The Sas Mid-Plane Board - Acer Altos R720 Series User Manual

Removing and installing the SAS
mid-plane board
To remove 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 45.
3 Make sure all hot-plug HDD carriers are removed from the drive
bay. For instructions, see "To remove a HDD" section on page 48.
4 Disconnect all cables attached to the SAS mid-plane board.
5 Hold the SAS mid-plane board by its edges, then slide it back to
release it from the backplane board (A).
6 Lift the mid-plane board over the retention clips (B) and out of the
chassis (C).
7 Store the mid-plane board in an antistatic protective wrapper.
8 Observe the post-installation instructions described on page 36.
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