SUPER MICRO Computer 1.0a user manual South Bridge Configuration, IDE/SATA Configuration

Chapter 7: BIOS

IOH PCI-E Max Payload Size

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

ME-HECI Support

Select Enabled to enable ME-HECI (Host Embedded Controller Interface) support, which will allow the Host OS to communicate directly with the Management Engine (ME) in a standard method for system management, effectively replacing the SMbus. The options are Enabled and Disabled.

South Bridge Configuration

This feature allows the user to configure the settings for the South Bridge chip.

USB Functions

This feature allows the user to decide the number of onboard USB ports to be en- abled. The Options are: Disabled, 2 USB ports, 4 USB ports, 6 USB ports, 8 Ports, 10 Ports and 12 USB ports.

USB 2.0 Controller (Available when the item: USB Functions is disabled)

This item indicates if the onboard USB 2.0 controller is activated. The default set- ting is Enabled.

Legacy USB Support

Select Enabled to use Legacy USB devices. If this item is set to Auto, Legacy USB support will be automatically enabled if a legacy USB device is installed on the motherboard, and vise versa. The settings are Disabled, Enabled and Auto.

Port60h/64h Emulation

Select Enabled to enable 60h/64h emulation for complete USB keyboard support for operating systems that are not compatible with USB devices. The options are Enabled and Disabled.

IDE/SATA Configuration

When this submenu is selected, the AMI BIOS automatically detects the presence of the IDE and SATA devices and displays the following items:

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