8-16 Sun Blade 150 Service Manual • June 2002
b. Verify that the motherboard is firmly locked into the riser board by gently
pressing the motherboard tray into the riser board connector.
7. Replace the PCI card(s).
See Section 8.4.2, “Replacing a PCI Card” on page 8-11.
8. Detach the wrist strap, replace the system cover, and power on the system as
described in Chapter 9.
8.6 Riser Board
To remove and replace the riser board, proceed as follows.
8.6.1 Removing the Riser Board
1. Power off the system, remove the system cover, and attach an antistatic wrist strap
as described in Chapter 5.
Caution – Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an antistatic mat. Store ESD-sensitive components in
antistatic bags before placing them on any surface.
2. Remove the PCI card(s) from the riser board.
See Section 8.4.1, “Removing a PCI Card” on page 8-10.
3. Remove all the cables connected to both sides of the riser board.
4. Remove the motherboard.
See Section 8.5.1, “Removing the Motherboard” on page 8-12.
5. Using a No. 2 Phillips screwdriver, remove the three screws securing the riser
board to the system chassis (
FIGURE 8-9).
6. Remove the riser board from the chassis.
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