Chapter 3. BISO Setup
29
User’s Manual
3.6 Power Management Setup
The “Power Management Setup” controls the CPU card‘s “Green” features. When you select the “POWER
MANAGEMENT SETUP” on the main program, the screen display will appears as:
Power Management Setup Screen
AMIBIOS SETUP – POWER MANAGEMENT SETUP
© 2001 American Megatrends, Inc. All Rights Reserved
ACPI Function
Disabled
Power Management /APM
Enabled
Video Power Down Mode
Stand By
Hard Disk Power Down Mode
Stand By
Standby Time Out (Minute)
Disabled
Throttle Slow Clock Ratio
50.0%
FDC / LPT/ COM Ports
Monitor
Primary Master IDE
Monitor
Primary Slave IDE
Ignore
Secondary Master IDE
Monitor
Secondary Slave IDE
Ignore
Power Button Function
On/Off
Restore On AC/Power Loss
Power On
Resume On PME#/ LAN
Enabled
Resume On RTC Alarm
Disabled
RTC Alarm Date
15
RTC Alarm Hour
12
ESC : Exit
-¯
: Sel
RTC Alarm Minute
30
PgUp/PgDn :
Modify
RTC Alarm Second
30
F1:Help
F2/F3 : Color
Power Management Setup options are displayed by choosing the Power Management field from the WINBIOS
Setup main menu. All Power Management Setup options are described in this section.
ACPI Function
: This item is to activate the ACPI (Advanced Configuration and Power Management Interface)
Function. If your operating system is ACPI-aware, such as Windows 98SE/2000/ME, select Enable. Settings:
Enable and Disable.
Power Management /APM:
Setting to Enabled will activate the Advanced Power Management (APM)
feature to enhance power saving modes. Settings: Enabled and Disabled.
Video Power Down Mode:
This option specifies the power conserving state that the VESA VGA video
subsystem enters after the specified period of display inactivity has expired.
Hard Disk Power Down Mode:
This option specifies the power conserving state that the hard disk drive
enters after the specified period of hard drive inactivity has expired. The setting are
Standby, or Suspend.
Standby Time Out (Minute):
This option specifies the length of the period of system inactivity while the
computer is in Full-On power state before the computer is placed in Standby mode. When this length of time
expires, the computer enters Standby Timeout state. In Standby mode, some power use is curtailed.
Throttle Slow Clock Ratio:
This option specifies the speed at which the system clock runs in power saving
modes. The settings are expressed as duty cycle of the STPCLK# signal. This duty cycle indicates the
percentage of time the STPCLK# signal is asserted while in the throttle mode.
FDC / LPT/ COM Ports, Primary Master IDE, Primary Slave IDE, Secondary Master IDE,
Secondary Slave IDE:
These items specify if the BIOS will monitor the activity of the listed hardware
peripheral or component. If set to Monitor, any activity detected on the specified hardware peripheral or
component will wake up the system or prevent the system from entering the power saving modes. Settings:
Monitor and Ignore.