Tyan Computer GX21 - Manual (Page 51)

3.7 Replacing the LED Control Board
Chapter 3: Replacing Pre-Installed Components 43
3.7 Replacing the LED Control Board
Follow these instructions to remove the LED control board.
1. Remove the 2 screws securing the metal retaining plate
to the chassis.
2. Lift the retaining plate free of the chassis, as shown
below.
3. Unplug the front panel ribbon cable connector from the
rear of the LED control panel.
4. Unplug the other end of the ribbon cable from the back-
plane of the HDD as shown...
5. Lift the ribbon cable free from the chassis.