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32 SBC-455 User's Manual
SMI (System Management Interrupt) switch (SMI SW)
You can connect an external switch to allow your computer to
enter the suspend mode.
SMI switch (SMI SW)
Pin Function Suspend mode Normal mode(default)
1 SMI
2 Ground
Turbo Switch (TURBO SW)
You can connect a switch across TURBO SW to change the CPU
speed between Turbo and non-Turbo mode. When you leave the
pins open, the CPU card operates at full speed. When you close
the pins, the card operates at slow speed for compatibility with
older software.
Turbo switch pin assignments (TURBO SW)
Pin Function Low Speed High Speed (default)
1 -Deturbo
2 Pull low
Clear CMOS (JP12)
You can connect an external switch to clear CMOS. This switch
closes JP12 and turns on the power, at which time the CMOS
setup can be clear.
Clear CMOS (JP12)
Protect (default) Clear CMOS