System-board-assembly switches

This section provides information about locations and functions of the switch block on the system board assembly that contains the system I/O board and processor board.

Important

1. 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:

   • Safety Information page

   • Installation Guidelines

   • Handling static-sensitive devices

   • Power off the server

2. Any system-board-assembly switch or jumper block that is not shown in the illustrations in this document are reserved.

Figure 1. Switch block on the system board assembly

Table 1. SW5 switch block on the system board assembly

Switch number	Switch name	Default position	Description
SW5-1	Force BMC CPU reset	Off	Forces BMC and CPU into reset when changing it to the ON position.
SW5-2	Clear CMOS	Off	Clears the real-time clock (RTC) registry when changing it to the ON position.
SW5-3	Password override	Off	Overrides the power-on password when changing it to the ON position.
SW5-4	FPGA reset	Off	Forces FPGA into reset when changing it to the ON position.
SW5-5	Reserved	Off	Reserved
SW5-6	Reserved	Off	Reserved
SW5-7	Reserved	Off	Reserved
SW5-8	Reserved	Off	Reserved