BIOS
Page 4-21
Resources Controlled By
Determines what controls system PNP/PCI resources. The default is Auto (ESCD).
Manual
: PNP Card’s resources are controlled manually. The “IRQ Resources” field
becomes available and you can set which IRQ-X and DMA-X are
assigned to PCI and onboard devices.
Auto
:
BIOS assigns the interrupt resource automatically.
PCI/VGA Palette Snoop
This item is designed to overcome problems that may be caused by some nonstandard
VGA cards.
Options: Enabled, Disabled.
Assign IRQ For VGA
This item requests BIOS to assign an IRQ for the VGA. Selecting “Disabled” will
free the IRQ for use by other devices.
Options: Enabled, Disabled.
Assign IRQ For USB
This item requests BIOS to assign an IRQ for the USB port. If you have not connected
any USB device, selecting “Disabled” will free the IRQ for use by other devices.
Options: Enabled, Disabled.
Interrupt requests are shared as shown below:
IMPORTANT!
When using PCI cards on shared IRQ slots, make sure its drivers support “Shared
IRQ”, or that the cards do not need IRQ assignments. IRQ conflicts between the two
PCI groups will make the system unstable or cards inoperable.
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