Sun Microsystems Sun Blade 100, Service Manual

Page: 152 / 222

8-20 Sun Blade 100 Service Manual • October 2000
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 “Preparing for Component Removal and Replacement.”
Caution –
Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected 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 8-12.
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 8-15.
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.