Ibase SI-18 User Manual download pdf (Page 30)

USB Configuration

Legacy USB Support

Enables Legacy USB support.

AUTO option disables legacy support if no USB devices are connected.

DISABLE option will keep USB devices available only for EFI applications.

EHCI Hand-off

Enabled/Disabled. This is a workaround for Oses without EHCI hand-off support. The

EHCI ownership change should be claimed by EHCI driver.

USB transfer time-out

The time-out value for Control, Bulk, and Interrupt transfers.

Device reset time-out

USB mass storage device Start Unit command time-out.

Device power-up delay

Maximum time the device will take before it properly reports itself to the Host

Controller. ‘Auto’ users default value: for a Root port it is 100ms, for a Hub port the

delay is taken from Hub descriptor.

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Ibase SI-18 User Manual Page 30