Pnp/Pci Configurations - CHAINTECH 9BJA3 User Manual

requires an IRQ assignment to wake up the system and perform tasks. This
assignment is complaint with the APM 1.2 complaint operating systems.
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.
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.
Soft-Off by PWR-BTTN
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.
Primary/Secondary IDE 0/1
Available options: [Disabled] and [Enabled].
FDD, COM, LPT Port
Available options: [Disabled] and [Enabled].
PCI PIRQ[A-D]#
Available options: [Disabled] and [Enabled].
Wake up Events
1. Power On By PCI
When enabled, a PCI interface that receives a signal will wake up the system from
soft off and green mode.
2. Power On by Modem
When enabled, a Modem will be able to receive a signal and wake up the system
from soft off and green mode. You should connect the modem to the COM port and
call your PC to power on.
3. Wake up on LAN
When enabled, a LAN that receives a signal will wake up the system from soft off
and green mode.
4. USB KB Wake-Up From S3
Allows the activity of USB device to wake up the system from S3 power saving
modes. Settings are [Enabled] and [Disabled].
Chapter 3
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Chapter 3
5. Power On by Alarm
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.
6. POWER ON Function
This control show the PS/2 mouse or keyboard can power on the system. Available
settings are [Password], [Hot KEY], [Mouse Move], [Mouse Click], [BUTTON
ONLY] and [Keyboard 98].
7. KB Power ON Password
Setting keyboard power on password to protect the system.
8. Hot Key Power On
Available options: [Ctrl-F1] through [Ctrl-F12].

3-6 PNP/PCI Configurations

This section provides IRQ and DMA setting information. By choosing the PNP/PCI
Configuration option from the CMOS Setup Utility menu (Figure 3-1), the screen
below is displayed. This screen contains the manufacturer's default values for the
motherboard.
Reset Configuration Data
If you want to reset CMOS IRQ divide hardware device, please selected to
[Enabled].
Resources Controlled By
When set to Manual the system BIOS will not refer to the ESCD for IRQ & DMA
information. Instead, it will refer to the items in the setup menu for assigning IRQ &
DMA. When set to Auto the system BIOS will refer to the ESCD for all legacy
information. ESCD (Extended System Configuration Data) provides a detailed
format of the configuration data structures stored in flash memory. Each data
structure defines the resources used by a device or a card in the system. This
includes legacy and PCI/ISA PnP devices.
PCI/VGA Palette Snoop
When set to [Enabled], multiple VGA devices operating on different buses can
handle data from the CPU on each set of palette registers on every video device. Bit
5 of the command register in the PCI device configuration space is the VGA Palette
Snoop bit (0 is disabled). Available options are [Enabled] and [Disabled].
FDD IRQ Can Be Free
This function allows user to choose if the FDD IRQ can be freed up. The default
setting is [Yes] and this does not allow the IRQ to be free.
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