Sun Microsystems SPARCstation 20, Service Manual

Page: 176 / 266

152 SPARCstation 20 Service Manual • July 1996
FIGURE 11-10
Locking the MBus Module Retainers
SBus Card
To remove and install an SBus card, proceed as follows.
Removing an SBus Card
1. Remove power from the system.
See “Removing Power from the System” on page 45.
2. Remove the cover and attach the wrist strap.
See Chapter 7.
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 it on any surface.
Back panel
MBus module retainer (2)
SBus card retainer (2)
Double-wide
Mbus module