Ibase IPPCXXA7-RE Manuel d'utilisateur télécharger pdf (Page 44)

IPPCxxA7-RE User Manual

USB Configuration

Aptio Setup Utility

Main Advanced Chipset Boot Security Save & Exit

USB Configuration

→ ← Select Screen

↑↓ Select Item

Enter: Select

+- Change Field

F1: General Help

F2: Previous Values

F3: Optimized

Default

F4: Save ESC: Exit

USB Devices:

None

Legacy USB Support

Enabled

EHCI Hand-off

Enabled

USB hardware delays and time-outs:

USB Transfer time-out

20 sec

Device reset tine-out

20 sec

Device power-up delay

AUTO

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 tine-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’ uses 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 IPPCXXA7-RE Manuel d'utilisateur Page 44