178 SPARCstation 20 Service Manual • July 1996
Removing an OpenBoot PROM
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.
3. Remove any SBus cards.
See “Removing an SBus Card” on page 152.
4. Use a DIP/IC extractor tool or a small flat-blade screwdriver to remove the
OpenBoot PROM (FIGURE 11-43).
5. Place the OpenBoot PROM on an antistatic surface.
FIGURE 11-43 OpenBoot PROM Location
OpenBoot PROM
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