Abit GD8 User Manual page 46

3-20 Chapter 3
Allocate IRQ To USB:
This item assigns an IRQ for the USB device connected.
[Enabled]: Automatically assign an IRQ for the USB device connected.
[Disabled]: The IRQ that was previously occupied by the USB device connected will be available for
new device.
PCI Latency Timer(CLK):
This item controls how long each PCI device can hold the bus before another takes over. When set to
higher values, every PCI device can conduct transactions for a longer time and thus improve the effective
PCI bandwidth. For better PCI performance, you should set the item to higher values.
PIRQ_0 Use IRQ No. ~ PIRQ_7 Use IRQ No.:
This item specifies the IRQ number manually or automatically for the devices installed on PCI slots.
Maximum Payload Size:
This item sets the maximum TLP payload size for the PCI Express devices.
GD8 Series