Acer Altos R720 Series - Manual (Page 55)

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Removing and installing the air baffles
Caution! Always operate your server with both the air baffles
installed to ensure reliable and continued operation.
Your server is equipped with two air baffle, one small air baffle
attached to the drive cage area and one large air baffle attached
between the backplane board and the power supply. You will need to
remove the smaller air baffle to perform the following procedures.
• Removing and installing the SAS mid-plane board
• Removing and installing the SAS/SATA backplane board
• Configuring the integrated SAS hardware RAID components
To remove the small air baffle:
1 Observe the ESD precautions and pre-installation instructions
described on page 35.
2 Detach the air baffle from the chassis.