Sun Microsystems SPARCstation 4, Service Manual

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Chapter 11 System Board and Component Replacement 11-33
7. Put the NVRAM in its chip carrier on an antistatic surface.
11.6.2 Replacing the NVRAM Chip
1. Locate the NVRAM chip on the system board.
See
FIGURE 11-33
.
2. Carefully align the pins and insert the NVRAM chip into the socket; make certain
that the notches on the socket and chip are aligned properly.
The carrier is keyed so that the NVRAM chip can be installed only one way.
3. Push the NVRAM chip into the carrier until it sits tightly in the socket.
4. Reinstall the Audio Module (if applicable).
See Section 11.2.2 “Replacing the Audio Module.”
5. Reinstall the SBus card (if applicable).
See Section 11.1.2 “Replacing the SBus Card.”
6. Detach the wrist strap and replace the cover.
See Chapter 7.
7. Power on the system.
See Section 6.2 “Powering On the System.”