Sun Microsystems Ultra 5, Service Manual

Page: 159 / 258

Chapter 8 Motherboard and Component Replacement 8-13
8.5 PCI Riser Board
To remove and replace a PCI riser board, proceed as follows.
8.5.1 Removing the PCI 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 ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.
2. Remove the PCI card(s) from the PCI riser board.
See Section 8.4.1 “Removing a PCI Card” on page 8-9.
3. Remove the PCI riser board as follows (
FIGURE 8-6
):
a. Using a No. 2 Phillips screwdriver, remove the two screws securing the PCI
riser board to the system chassis.
Caution –
To avoid damaging the PCI riser board’s connector, do not apply force to
only one end or one side of the card.
b. At the two upper corners of the PCI riser board, pull the PCI riser board
straight upward from the connector.
c. Remove the PCI riser board from the chassis.