Asus TS300-E4 PX4 User Guide - Page 37

2.6 5.25-inch drives If you have previously used and powered up the system, and that it may be connected to an AC power source, make sure to unplug the power cable before installing or removing any system components. Failure to do so may cause damage to the motherboard and other system components! Three 5.25-inch drive bays are located on the upper front part of the chassis. A CD-ROM drive that comes standard with the system package occupies the uppermost bay (labeled 1). The 1 two lower bays (labeled 2 and 3) are available for additional 5.25‑inch 2 devices. 3 To install a 5.25-inch drive: 1. Use a Phillips (cross) screwdriver to turn outward and inward the metal cover of the bay until it is completely released. 2. Insert the optical drive into the 5.25-inch drive bay. ASUS TS300-E4 2-15