Asus 1U Rackmount Chassis Kit R10-A2P4 - Manual (Page 28)

Chapter 2: Hardware setup 2-16
To install an optical drive:
1. From the front panel, insert the
rear end of the optical drive into
the 5.25-inch drive bay.
2. Place the metal bracket parallel to the side of the optical drive,
matching its two pegs with the lower holes, and the bracket holes with
the standoffs on the base of the chassis.
3. Secure the bracket with two
screws.
Drive holes to match the
pegs on the metal bracket
Standoffs to match the
holes on the metal bracket
Holes to match the standoffs
Bracket pegs
Drive metal bracket
The metal bracket should fit completely to ensure that the optical drive
is securely in place.