NEC POWERMATE PROFESSIONAL - SERVICE MANUAL 05-1997 Service Manual page 126

3-28 Option Installation
Identify the slot on the front panel for the device being installed.
2.
Remove the blank panel from the selected slot in the front panel by pressing the
3.
tabs inside the front panel and pushing the blank panel out.
4. Remove the slot cover from the selected slot on the chassis by unscrewing the
screws on each side of the cover.
Store the slot cover in case you choose to reinstall it in the future.
Install the device (see the following section "Installing the 5 1/4-Inch Device").
5.
Figure 3-23 Removing the Front Panel
Figure 3-24 Removing the Slot Cover