Advantech MIC-5332 Manual de usuario descargar pdf (Pagina 82)

The MIC-5332 supports USB Plug & Play, PnP. That is, users can find all USB

devices which are plugged on the MIC-5332. They can configure the parameters to

enhance the USB device performance, such as mass storage devices.

Figure 5.12 USB Configuration

Table 5.8 USB Configuration

Feature Default Description

Legacy USB Support Enabled

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 application.

EHCI Hand-off Disabled

This is a workaround for OSes without EHCI

hand-off support. The EHCI ownership change

should be claimed by EHCI deiver.

USB transfer time-out 20 sec

The time-out value for

Control, Bulk, and Interrupt

transfers.

Device reset time-out 20 sec

USB mass storage device

Start Unit command

time-out.

Device power-up delay Auto

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 100 ms, for a

Hub port the delay is taken from Hub descriptor.

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Advantech MIC-5332 Manual de usuario Pagina 82