Asus P/I-XP55TVP4 User Manual download pdf (Page 47)

ASUS P/I-XP55TVP4 User's Manual 41

IV. BIOS SOFTWARE

IV. BIOS

(Power Management)

Video Off Method (V/H SYNC + Blank)

This field defines the video off features. Three options are available: V/H SYNC +

Blank, DPMS, and Blank Only. The first option, which is the default setting, blanks

the screen and turns off vertical and horizontal scanning; DPMS (Display Power

Management System) allows the BIOS to control the video display card if it sup-

ports the DPMS feature; Blank Screen only blanks the screen. Use the latter for

monitors that do not support the “Green” (no power management) feature. NOTE:

Screen saver software does not work with this feature. While the monitor is shut off,

this software cannot display.

Suspend Switch (Enabled)

This field enables or disables the SMI connector on the motherboard. This connec-

tor connects to the lead from the Suspend switch mounted on the system case.

Doze Speed, Stdby Speed

These two fields set the CPU speed during each mode. The number indicates what

the normal CPU speed is divided by.

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 shuts down any IDE hard disk drives in the system after a pe-

riod of inactivity. This time period is user-configurable to 1-15 Mins or Disable.

This feature does not affect SCSI hard drives.

The Doze Mode, Standby Mode, and Suspend Mode fields set the period of time

after which each of these modes activate. At Max Saving, these modes activate

sequentially (in the given order) after one minute; at Min Saving after one hour.

PM Events

This section sets the wake-up call of the system. If activity is detected from any

enabled IRQ channels in the left-hand group, the system wakes up from suspended

mode. You can enable power management for IRQs 3 ~ 15 individually in the list at

the right of the screen. The power management feature will work on the enabled

IRQ channels.

Take note that a Microsoft serial mouse or compatible will use either COM1 (IRQ4)

or COM2 (IRQ3), and a PS/2 mouse will use IRQ12. If you know which IRQ your

mouse is using, you can enable the Wake-up Event for that IRQ here and the system

will wake up when you move the mouse or click its button.

.......................................................................................................................................

Sleep Items (IRQ3-IRQ15)

You can individually Enable or Disable each IRQ to include in the sleep function.

IRQ8 (Real Time Alarm) is usually set to Disable so that any software alarm clock

or event calendar can wake up the system.

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Asus P/I-XP55TVP4 User Manual Page 47

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