SUPER MICRO Computer X7DBU, X7DGU user manual Default Primary Video Adapter, Emulated IRQ Solutions

Chapter 4: BIOS

Default Primary Video Adapter

This feature allows the user to specify which video adapter to be used as the default primary video adapter--the onboard video adapter or others. The options are Other and Onboard Video.

Emulated IRQ Solutions

When this item is set to Enabled, Emulated IRQ Scheme allows PCI devices to run on legacy operating systems that use the MSI mechanism to generate INTX compatible interrupts. The options are Disabled and Enabled.

PCI-Exp. I/O Performance

Some add-on cards perform faster with the coalesce feature, which limits the payload size to 128 Bytes; while others perform faster with a payload size of 256 Bytes which inhibits coalesce features. Please refer to your add-on card user guide for the desired setting. The options are Payload (256 Bytes) and Coalesce Enabled (128 Bytes).

PCI Parity Error Forwarding

The feature allows SERR and PERR errors detected in PCI slots to be sent (forwarded) to the BIOS DMI Event Log for the user to review. The options are Enabled and Disabled.

ROM Scan Ordering

This feature allows the user to decide which Option ROM to be activated first. The options are Onboard first and Add-On first.

PCI Fast Delayed Transaction

Enable this function to improve DMA data transfer rate for a PCI 32-bit multimedia card. The options are Enable and Disabled.

Reset Configuration Data

If set to Yes, this setting clears the Extended System Configuration Data- (ESCD) area. The options are Yes and No.

Frequency for PCI-X#2

This option allows the user to change the bus frequency for the devices installed in the slot indicated. The options are Auto, PCI 33 MHz, PCI 66 MHz, PCI-X 66 MHz, PCI-X 100 MHz and PCI-X 133 MHz.

L1 Blue Slot PCI-Exp. x8, L2 Slot PCI-Exp. x8, R1 Slot PCI-X 133

MHz, R2 Slot PCI-Exp. x8/x4 and R3 Slot PCI-Exp. x4

Access the submenu for each of the settings above to make changes to the following:

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