System-board switches

The following illustrations show the location of the switches, jumpers, and buttons on the server.

Important

Before you change any switch settings or move any jumpers, turn off the server; then, disconnect all power cords and external cables. Review the following information:
Any system-board-assembly switch or jumper block that is not shown in the illustrations in this document are reserved.

Note

If there is a clear protective sticker on the top of the switch blocks, you must remove and discard it to access the switches.

Figure 1. System-board switches

SW1 switch block

The following table describes the functions of the SW1 switch block on the system board.

Table 1. System board SW1 switch block description
Switch number	Default position	Description	Definition
1	Off	Clear CMOS jumper	Off: Normal (default). On: Clear the real-time clock (RTC) registry.
2	Off	Reserved	Reserved
3	Off	Force XCC update jumper	Off: Normal (default). On: Force the Lenovo XClarity Controller to update to the latest version.
4	Off	Reserved	Reserved

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