ECM-3711 Series

3.5.6.4IRQ Resource

When resources are controlled manually, assign each system interrupt a type, depending on the type of device using the interrupt.

This item allows you to determine the IRQ assigned to the PCI bus or reserved. The Choices: PCI, Reserved.

3.5.6.5PCI / VGA Palette Snoop

Leave this field at Disabled. The choices: Enabled, Disabled.

3.5.6.6Assign IRQ For VGA

While the system has one VGA controller and more than one VGA devices are connected, then “Enabled” is set. If the system VGA controller is not used, then “Disabled” is set.

The choices: Enabled, Disabled.

3.5.6.7Assign IRQ For USB

While the system has one USB controller and more than one USB devices are connected, then “Enabled” is set. If the system USB controller is not used, then “Disabled” is set.

The choices: Enabled, Disabled.

3.5.6.8Maximum ASPM supported

This item is used to control the maximum level of supported ASPM on the given PCI Express link on the system.

The choices: L0, L0s, L1, L0s&L1.

3.5.6.9Maximum Payload Size

This item is used to select the maximum TLP payload size of the PCI Express devices. The unit is byte.

The choices: 128, 256, 512, 1024, 2048, 4096.

74 ECM-3711 Series User’s Manual