Kontron cPCI-MXS64GX, Техническое справочное руководство

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cPCI-MXS64GX Technical Reference Manual
4.10
4.1.8 Power Management Setup
This part of the setup configures power conservation options.
Option
BIOS
Defaults
Setup
Defaults
Possible
Settings
Description
ACPI Function Dis. En. En./Dis. The Advanced Configuration and Power Interface (ACPI) allows
Operating System Direct Power Management (OSPM) and make
advanced configuration architectures possible.
When Enabled, the OS supports ACPI or OSPM (e.g., Win98, and
Windows 2000
Note: When Enabled, and the OS is ACPI compliant, the OS
setting take precedence over all settings in this menu.
Power
Management User
Def.
User
Def.
User Define,
Min Saving,
Max Saving
This option allows you to select the type (or degree) of power
saving for Doze, Standby, and Suspend modes.
Max Saving: Maximum power savings. Inactivity period is 1
minute in each mode.
Min Saving: Minimum power savings. Inactivity period is the
maximum setting in each mode (1 hour for Doze, Standby and
Suspend).
User Define: Set each mode individually. Select time-out periods
in the PM Timers section (see below).
PM Control by
APM Yes Yes Yes, No If Yes, the OS can control the PM by APM calls. If No, the BIOS
will control the PM (Power Management)
Video Off Method
V/H SYNC
+
Blank
V/H SYNC
+
Blank
Blank Screen
V/H
SYNC+Blank,
DPMS,
Determines the manner in which the monitor is blanked.
V/H SYNC + Blank: System turns off vertical and horizontal
synchronization ports and writes blanks to the video buffer.
DPMS Support: Select this option if your monitor supports the Display
Power Management Signaling (DPMS) standard of the Video
Electronics Standards Association (VESA). Use the software supplied
for your video subsystem to select video power management values.
Blank Screen: System only writes blanks to the video buffer.
Video Off After Standby Standby NA, Suspend,
Standby, Doze,
As the system moves from lesser to greater power-saving modes,
select the mode
in which you want the monitor to blank.
Doze Mode Dis. Dis Disable
1min to 1h
After the selected period of system inactivity (1 minute to 1 hour), the
CPU clock runs at lower speed while all other devices still operate at full
speed.
Standby Mode Dis. Dis. Disable
1min to 1h
After entering Doze mode and the selected period of system inactivity
(1 minute to 1 hour) has elapsed, the video shuts off while all other
devices still operate at full speed.
Suspend Mode Dis. Dis. Disable
1min to 1h
After entering Standby mode and the selected period of system
inactivity (1 minute to 1 hour) has elapsed, all devices including the
CPU shut off and the system waits for an event to wake them up again.
HDD Power Down Dis. Dis. Disable
1-15min
After the selected period of drive inactivity (1 to 15 minutes), the hard
disk drive powers down while all other devices remain active. The HDD
power down mode is only available if the hard drive has this capability.
HDD Down When
Suspend En. En. En./Dis. When Enabled and the system goes in Suspend Mode, the hard disk is
shut down.
Throttle Duty Cycle 75.0% 75.0% 12.5%-75.0% When the system enters Doze mode, the CPU clock runs only part of
the time. You may select the percentage of time that the clock
does not run. When 12.5% is selected, the CPU is running at nearly
Full Speed and if 75% is selected, the CPU will be idle 75% of time.
PCI / VGA
Act-Monitor Dis. Dis. En./Dis. When Enabled, continuous video activity restarts the global timer for
Standby mode.
Soft-OFF by
PWR-BTTN Instant-off Instant-off Instant-off,
Delay 4 sec.
This option only works with an ATX power supply. It allows two
configurations for the power button: Instant-off for power supply on/off
switch, or Delay 4 sec. for entering Suspend Mode after pressing the
button at least 4 seconds.