User manual

25 SOM-5894 User Manual
Chapter 3 AMI BIOS
This is a workaround for OS without EHCI hand-off support. The EHCI owner-
ship change should be claimed by EHCI driver.
 USB Mass Storage Driver Support
This item allows users to enable or disable USB Mass Storage Driver Support.
 USB transfer time-out
This item allows user to select time-out section.
The time-out value for control, bulk, and interrupt transfers.
 Device reset time-out
This item allows user to select device time-out section.
USB mass storage devices start unit command time-out.
 Device power-up delay
This item allows user to select device power-up section.
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 the Hub descriptor.
3.2.2.8 Super IO Configuration
Figure 3.12 Super IO Configuration
 COM Port 1 Configuration
This item allows user to set Parameters of COM Port 1.
 COM Port 2 Configuration
This item allows user to set Parameters of COM Port 2.
 Parallel Port Configuration
This item allows user to set Parameters of Parallel Port (LPT/LPTE).
 Hardware Monitor
This item allows user to change monitor hardware status.