Replacing The Nvram; Sparcstation Lx Isdn Jumper Settings - Sun Microsystems SPARCclassic Service Manual

Figure 11–20

Replacing the NVRAM

To install the NVRAM on the main logic board:
1. Hold the NVRAM chip on both sides of the carrier.
2. Carefully align the pins and insert the NVRAM chip into its socket.
The carrier is keyed so the NVRAM can be installed only one way.
3. Push down on the NVRAM chip until it is fully seated in its socket.
4. Refer to Chapter 7 to perform the following procedures:
4 Detaching the wrist strap
4 Closing the system unit
4 Reconnecting system components
5. Refer to Chapter 6 to turn the power on.

SPARCstation LX ISDN Jumper Settings

The SPARCstation LX is configured for ISDN support. Shown in Figure 11–21 are the
default jumper settings for the main logic board addresses J1801 and J1802,
respectively. Table 11–3 fully describes these jumper settings.
SPARCclassic/SPARCclassic X/SPARCstation LX Service Manual ♦ Revision A, November 1993
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Removing the NVRAM