Epson ActionTower 3000 Computer - Manuel (Page 52)

3. Also, you may need to remove the rear internal drive bay
bracket to access the jumpers. (If there is a drive mounted
in this bracket, you’ll need to remove it first; see Chapter 4
for instructions.) Remove the four screws that hold the
bracket to the back of the system, as shown below.
4. Rest the computer on its side, so that the system board is
horizontal and the components on the board are easy to
reach.
5. Use needle-nose pliers or tweezers to pull the jumper off its
pins and gently move it to the desired position or remove it
from the computer.
C a u t i o n
Be careful not to bend the jumper pins or damage any
surrounding components on the main system board.
6. Replace the rear internal drive bay bracket, if necessary.
7. Replace any option cards you removed; see page 3-15.
Installing and Removing Options 3-9