Asus TS300-E5 - Manual (Page 60)

Chapter 2: Hardware setup 2-38
To install the front I/O board:
1. Place the I/O board in the bracket,
component side up. Secure the
front I/O board to the bracket with a
screw.
2. Position the I/O board into the bay
with the component side to the left
(close to the HDDs). Connect the
I/O cables to the connectors on the
back of the I/O board.
3. Insert the I/O board into the bay
until the bracket fits the front edge
of the bay.
4. Secure the I/O board bracket with
a screw.
USB 2.0 connector