Chapter 4 – DFI HR908-B User Manual

Page 32

Advertising

www.dfi .com

Chapter 4 BIOS Setup

Chapter 4

PCH-FW Configuration

ME FW Version
ME Firmware Mode
ME Firmware Type
ME Firmware SKU



 Firmware Update Confi guration

Advanced

8.0.3.1427
Normal Mode
Full Sku Firmware
Unidentifi ed



Select Screen



Select Item

Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous

Values

F3: Optimized

Defaults

ESC: Exit

USB Configuration

This section is used to configure USB.

Legacy USB Support

Enabled

Enables legacy USB.

Auto

Disables support for legacy when no USB devices are connected.

Disabled

Keeps USB devices available only for EFI applications.

EHCI Hand-off

This is a workaround for OSes that does not support EHCI hand-off. The EHCI

ownership change should be claimed by the EHCI driver.

USB transfer time-out

The time-out value for Bulk and Interrupt transfers.

Device reset time-out

Selects the USB mass storage device start unit command timeout.

E n a b l e s L e g a c y U S B
support. AUTO option
disables legacy support
if no USB devices are
c o n n e c t e d . D I S A B L E
option will keep USB
devices available only
f o r E F I a p p l i c a t i o n s .

USB Confi guration

USB Devices:
1 Keyboard, 2 Hubs

Legacy USB Support

EHCI Hand-off

USB hardware delays and time-outs:

USB transfer time-out
Device reset time-out
Device power-up delay