Backup Battery; Figure 3-5 Installing A Vrm - Silicon Graphics 1450 Maintenance Manual

Backup Battery

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3. Carefully insert the VRM in the connector on the baseboard. Make sure you do not
bend the connector pins.
4. Push down firmly on both ends of the VRM until the ejector levers of the connector
snap into place, locking the VRM in the connector.
5. Make sure that the ejector levers are firmly in place. If not, use a screwdriver to push
them into place.
A
B
Figure 3-5 Installing a VRM
A. VRM
B. VRM connector on baseboard
C. Ejector lever
Follow the instructions in this section to replace the lithium battery.
The lithium battery on the baseboard powers the real-time clock (RTC) for three to four
years in the absence of power. When the battery weakens, it loses voltage and the system
settings stored in CMOS RAM in the RTC (for example., the date and time) may be
wrong. Contact your customer service representative or dealer for a list of approved
devices.
C
Backup Battery
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