AMD SB750, 790GX user manual Power Management Setup, ACPI Function, Video Off Method, MODEM Use IRQ

3-8 Power Management Setup

The Power Management Setup allows you to configure your system to most effectively save energy saving while operating in a manner consistent with your own style of computer use.

Phoenix – AwardBIOS CMOS Setup Utility

Power Management Setup

ACPI function		Enabled	Item Help
ACPI Suspend Type		S3(STR)
C2 Disabled /Enabled		Disabled
Power Management Option		User Define	Menu Level >
HDD Power Down		Disabled
Video Off Option		suspend - off
Video off Method		V/H SyNC + BlANK
Modem Use IRQ		3
Soft-OFF by PWRBTN		Instant off
Power on by PCI Card		Disabled
ACPI XSDTTable		Enabled
Power On by keyboard		Disabled
Power on by mouse		Disabled
RTC Alarm Resume		Disabled
z	Date of month	0
z	Resume Time <hh:mm:ss>	0

↑↓→← Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help

F5:Previous Values F6:Optimized Defaults F7:Standard Defaults

ACPI Function

This item allows you to Enabled/Disabled the Advanced Configuration and Power Management (ACPI). The settings are Enabled and Disabled.

HDD Power Down (Disabled)

The IDE hard drive will spin down if it is not accessed within a specified length of time.Options are from 1 Min to 15 Min and Disable.

Video Off Method

This determines the manner in which the monitor is blanked. DPMS (default) Initial display power management signaling. Blank Screen This option only writes blanks to the video buffer.

V/H SYNC+Blank This selection will cause the system to turn off the vertical and horizontal synchronization ports and write blanks to the video buffer.

.MODEM Use IRQ

If you want an incoming call on a modem to automatically resume the system from a power-saving mode, use this item to specify the interrupt request line (IRQ) that is used by the modem. You might have to connect the fax/modem to the motherboard Wake On Modem connector for this feature to work.

Soft-Off by PWRBTN

Under ACPI (Advanced Configuration and Power management Interface) you can create a software power down. In a software power down, the system can be resumed by Wake up Alarms. This item lets you install a software power down that is controlled by the power Button on your system. If the item is set to Instant-Off, then the power button causes a software power down. If the item is set to Delay 4 Sec, then you have to hold the power button down for four seconds to cause a software power down.

RTC Alarm Resume

When set to Enabled, additional fields become available and you can set the date (day of the

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