Acer Altos R720 Series - Manual (Page 99)

89
Removing and installing the SAS/SATA
backplane board
To remove the SAS/SATA backplane 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 backplane board.
5 Remove the SAS mid-plane board. See previous section.
Note: To prevent damage to your system, make sure to remove
the mid-plane board first before attempting to remove the
backplane board.
6 Hold the backplane board by its edges, then lift it from the chassis.
7 Store the backplane board in an antistatic protective wrapper.
8 Observe the post-installation instructions described on page 36.