1-4
PCI I/O Board Installation and Component Replacement • February 1998
FIGURE 1-1
PCI I/O Board
1. Ensure that the board is in low-power mode and ready for removal.
If the board is not in low-power mode, halt the system and turn off the power before
proceeding. The board is in low-power mode if one of the following is true:
■
The three LEDs on the board are not lit (board has no power).
■
The outer two green LEDs are not lit and the middle yellow LED is lit.
2. Unfasten any cable connectors from the front panel and set them aside.
Label cables to identify them for reconnection later.
3. With a Phillips #1 screwdriver, turn the two quarter-turn access slots to the
unlocked position (
).
FIGURE 1-2
Unlocking and Locking Quarter-Turn Access Slots
Riser
Unlocked
Locked
