Acer Altos R920 Series - Manual (Page 64)

3 System upgrade 46
To install the processor air baffle:
1 Perform the pre-installation instructions described on page 39.
2 Insert the front of the processor air baffle (A) under the two metal
tabs at the front of the baffle (B), just below the SAS backplane
board. One tab is located on each side of the chassis.
A
B
B