Lenovo ThinkSystem SR645 V3 - Page 34

Figure 12. System-board-assembly switch
SW5 switch block
The following table describes the functions of the SW5 switch block on the system board (system board
assembly).
Table 11. System-board-assembly SW5 switch block description
Switch-bit
number
Switch name
Default position Description
1 SW5–1 Force BMC CPU
reset
Off Forces BMC and CPU into reset when changing it to
the ON position.
2 SW5–2 Clear CMOS Off Clears the real-time clock (RTC) registry when
changing it to the ON position.
3 SW5–3 Password override Off Overrides the power-on password when changing it
to the ON position.
4 SW5–4 FPGA reset Off Forces FPGA into reset when changing it to the ON
position.
5 SW5–5 N/A N/A N/A
24 ThinkSystem SR645 V3 User Guide