AAEON AIS-E1 - Manual (Page 29)

Ad v a n c e d S y s t e m
C o n t r o l l e r
A I S - E 1
Chapter 2 Hardware Installation 2-15
Step 2: Open the upper cover of the AIS-E1
Step 3: Put the blue rubber damper to the 3-layer HDD bracket and
move the damper to the smaller fillister (you have to put 12 blue
rubber dampers if you have three HDD to install)