Sun Microsystems SPARCstation 20, Service Manual

Page: 172 / 266

148 SPARCstation 20 Service Manual • July 1996
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.
3. Unlock the MBus module retainers and the SBus card retainers closest to the
MBus slot (
FIGURE 11-5
).
4. Remove the four screws and rectangular washers from the MBus module and the
back panel (
FIGURE 11-6
).
Note –
Save the screws and washers for future use.
5. Hold each edge of the MBus module and pull up on the module until the
connector is out of the slot (
FIGURE 11-7
).
6. Place the MBus module on an antistatic surface.
FIGURE 11-6
MBus Module Back Panel Screws and Washers
Washer (2)
Screw (2)