Bios setup, Mb980 user’s manual – IBASE MB980 User Manual

Page 42

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BIOS SETUP

38

MB980 User’s Manual


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.

Port 64/60 Emulation
Enables I/O port 60h/64h emulation support. This should be enabled for
the complete USB keyboard legacy support for non-USB aware OSes.

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.




F81866 Super IO Configuration

Aptio Setup Utility

Main

Advanced

Chipset

Boot

Security

Save & Exit

Super IO Configuration

→ ←

Select Screen

↑↓

Select Item

Enter: Select
+- Change Field
F1: General Help
F2: Previous Values
F3: Optimized Default
F4: Save ESC: Exit

F81866 Super IO Chip

F81866

► Serial Port 0 Configuration

► Serial Port 1 Configuration

► Serial Port 2 Configuration

► Serial Port 3 Configuration

F81866 ERP Support

All Enable

USB3.0 Port0/1 POWER Management

Enabled

USB3.0 Port2/3 POWER Management

Enabled

Serial Port Configuration
Set Parameters of Serial Ports. User can Enable/Disable the serial port
and Select an optimal settings for the Super IO Device.

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