Sun Microsystems SPARCstation 20, Service Manual, Page: 177 / 266

Chapter 11 System Board and Component Replacement 153
3. Unlock the retainers at the back edge of the SBus card (
FIGURE 11-11
).
FIGURE 11-11
SBus Card Retainers
4. Remove the screws and washers from the SBus card back plate (
FIGURE 11-12
).
Note – Save the screws and washers for later use.
FIGURE 11-12
SBus Card Back Plate Screws and Washers
Retainer (2)
SBus card
Screw (2)
System back
SBus card
back plate
panel (cutaway)
Washer (2)