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connect a USB device to your system. Note that if this setting is disabled, you can still
temporarily use a USB keyboard during boot up so that you can enter BIOS and enable
this setting. If you pass the boot up stage without enabling this function, your PS/2
keyboard will no longer work.
USB Keyboard Support
Select Enabled if your system has a USB keyboard installed on the system board. If your
system has no USB keyboard, select Disabled in this field.
IDE HDD Block Mode
Block mode is also called block transfer, multiple commands, or multiple sector read/write.
If your IDE hard drive supports block mode, select Enabled to auto-detect the optimal
number of block read/writes per sector.
3-5 Power Management Setup
This section provides information on the Green PC power management functions. By
choosing the Power Management Setup option from the CMOS Setup Utility menu
(Figure 3-1), the screen below is displayed. This sample screen contains the
manufacturer's default values for the motherboard
ACPI Suspend Type
This feature allows user to select a suspend type for the operating system to turn off
peripherals devices, such as CD-ROM players, when they are not in use.
Power Management Option
Power management allows the computer to save electricity when it is not in use by
entering increasingly deep power saving modes.
HDD Power Down:
Shuts down any IDE hard disk drives in the system after a period of inactivity as set in
this user configurable field. This feature does not affect SCSI hard drives.
Suspend Mode
The Power Management function must not be set to disabled to enable this function. If
the system runs in Standby mode and the Suspend timer expires, all devices regulated by
power management will shut off and the CPU speed will be 0 MHz.
Video Off Option
This setting allows you to select the power-saving modes during which the monitor goes
blank.
Video Off Method
This function serves as both a screen saver and power saver for monitors. See the next
function, Video Off After, for setting the video timer.
1.
Blank
- BIOS will only blank the monitor's screen. The electricity saved in this mode is
negligible and this function is only used as a screen saver to prevent screen damage
while the screen is on but not in use.
2.
V/H SYNC+Blank
- The system turns off the vertical and horizontal synchronization
ports, writes blanks to the VGA buffer and the monitor's electron gun turns off. This
function requires a monitor with Green features in order to take advantage of the
power saving function. If you enable this function and do not have a Green monitor,
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the result will be the same as if you had selected Blank. This function serves as both a
screen saver and a power saver.
3.
DPMS Supported
- Select this option if your video card supports the Display Power
Management Signaling (DPMS) standard (i.e., you have a monitor that supports
Green features). Use software supplied by your video subsystem to set video power
management options.
Modem Use IRQ
If your computer has a modem use this function to tell BIOS which IRQ is being
occupied by the modem card. When the system is in Green mode, the modem requires an
IRQ assignment to wake up the system and perform tasks. This assignment is complaint
with the APM 1.2 complaint operating systems.
Soft-Off by PWRBTN
When set to Delay 4 Sec., this function allows the power button to put the system in
Suspend, a power saving mode. When set to Instant-Off the Soft-Off by PWR-BTN
function is disabled and the computer turns completely off when the power button is
pressed.
Run VGABIOS if S3 Resume
Available options: Disable/Enable.
PWRON After PWR-Fail
This allows you to set whether you want your system to reboot after the power has been
interrupted. [
Off
] leaves your system off and [
On
] reboots your system. [
Former-Sts
]
sets your system back to the state it is before the power interruption. Available options
include [
Disabled
], [
Enabled
], [
Former-Sts
].
IRQ/Event Activity Detect
1.
PS2KB Wakeup Select
When enabled, the system can be turned on by a PS2 keyboard hot key.
2.
PS2KB Wakeup from S3/S4/S5
Available options: Disable/Enable.
3.
USB Resume from S3
When enabled, the system is able to resume form S3 mode by a USB keyboard hot key
or mouse click.
4.
PowerOn by PCI Card
When enabled, a PCI interface that receives a signal will wake up the system from soft
off and green mode.
5.
Wake Up On LAN/Ring
When enabled, a LAN/modem that receives a signal will wake up the system from soft
off and green mode. You should connect the modem to the COM port and turn on the
resume event in green mode.
6.
RTC Alarm Resume
When enabled, this setting allows the system to turn back on at a designated time of the
month. User must designate date of month and time of day. This function is only
available when using an ATX power supply and the Software Power-Off function to turn
off the computer. See the Software Power-Off feature in Section 2-3 of this manual for
instructions.
IRQs Activities Monitoring
This feature allows you to monitor a list of IRQ, Interrupt ReQuests. When an I/O device
