B&R MAPPC700A-ENG, User Manual

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Software • BIOS options
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255 Panel PC 700 with 945GME N270 CPU board User's Manual V 1.16
BIOS setting Meaning Setting options Effect
ACPI Aware O/S This function determines if the operating
system supports the ACPI function
(Advanced Configuration and Power
Interface). Yes The operating system supports ACPI.
No The operating system does not support ACPI.
ACPI Version
Features Option for setting the power option
specifications to be supported.
The ACPI functions must be supported by
the drivers and operating systems being
used. ACPI v1.0 ACPI functions in accordance with v1.0
ACPI v2.0 ACPI functions in accordance with v2.0
ACPI v3.0 ACPI functions in accordance with v3.0
ACPI APIC support This option controls the support of the
advanced programmable interrupt
controller in the processor. Enabled Enables this function.
Disabled Disables the function
Suspend mode Selects the ACPI status to be used when
Suspend Mode is enabled. S1 (POS) Sets S1 as Suspend mode. Only a few functions
are disabled and are available again at the touch
of a button
S3 (STR) Sets S3 as Suspend Mode. The current state of
the operating system is written to the RAM, which
is then supplied solely with power.
USB Device Wakeup
from S3/S4 This options makes it possible for activity
on a connected USB device to wake the
system up from the S3/S4 standby mode. Enabled Enables this function.
Disabled Disables the function
Active Cooling Trip
Point With this function, an optional
CPU fan is activated by the operating
system when the CPU reaches the set
temperature.
Temperature reached. Disabled Disables this function.
50°C, 60°C, 70°C, 80°C,
90°C
Temperature setting for the active cooling trip
point. Can be set in 10 degree increments.
Passive Cooling Trip
Point With this function, a temperature can be
set
at which the CPU automatically reduces
its speed. Disabled Disables this function.
50°C, 60°C, 70°C, 80°C,
90°C
Temperature setting for the passive cooling trip
point. Can be set in 10 degree increments.
Critical Trip Point With this function, a temperature can be
set
at which the operating system
automatically shuts the system down. 80°C, 85°C, 90°C, 95°C,
100°C, 105°C, 110°C
Temperature setting for the critical trip point.
Can be set in 5 degree increments.
Table 104: X945 Advanced ACPI configuration setting options