Asus P5A-B - Manual (Page 50)

ASUS P5A-B User’s Manual 50
IV. BIOS SOFTWARE
IV
. BIOS
Power Management
Video Off Method (DPMS OFF)
This field defines the video off features. These options are available: DPMS OFF,
DPMS Reduce ON, Blank Screen, V/H SYNC+Blank, DPMS Standby, and DPMS Sus-
pend. The DPMS (Display Power Management System) features allow the BIOS to
control the video display card if it supports the DPMS feature. Blank Screen only
blanks the screen (for monitors without power management or “green” features). If set
up in your system, your screen saver will not display with Blank Screen selected). V/H
SYNC+Blank blanks the screen and turns off vertical and horizontal scanning.
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PM Timers
This section controls the time-out settings for the Power Management scheme. The
fields included in this section are HDD Power Down, which places the hard disk
into its lowest power consumption mode, and the Doze, Standby and Suspend sys-
tem inactivation modes.
The system automatically “wakes up” from any power saving mode when there is
system activity, such as when a key is pressed from the keyboard, or when there is
activity detected from the enabled IRQ channels.
HDD Power Down (Disable)
This shuts down any IDE hard disk drives in the system after a period of inactivity.
This time period is user-configurable from 1 Min to 15 Min or Disable. This feature
does not affect SCSI hard disks.
Doze Mode, Standby Mode, Suspend Mode (Disable)
These fields set the period of time after which each of these modes activate: 1 Min, 2 Min,
3 Min, 4 Min, 8 Min, 20 Min, 30 Min, 40 Min, or 1 Hour. The default setting is Disable.
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Power Up Control
This section determines the ways the system can be controlled when it is started or
restarted, when modem activity is detected, or when power to the computer is inter-
rupted and reapplied. The Soft-Off mode refers to powering off the system through
a momentary button switch (ATX switch) or through the software as opposed to
disconnecting the AC power by way of a rocker switch or other means.
PWR Button < 4 Secs (Soft Off)
When set to Soft Off, the ATX switch can be used as a normal system power-off
button when pressed for less than 4 seconds. Suspend allows the button to have a
dual function where pressing less than 4 seconds will place the system in sleep
mode. xRegardless of the setting, holding the ATX switch for more than 4 seconds
will power off the system.
PWR Up On Modem Act (Enabled)
This allows either settings of Enabled or Disabled for powering up the computer (turns
the ATX power supply on) when the modem receives a call while the computer is off.
NOTE: The computer cannot receive or transmit data until the computer and appli-
cations are fully running, thus connection cannot be made on the first try. Turning
an external modem off and then back on while the computer is off causes an initializa-
tion string that will also cause the system to power on.