Manual

NANO-PV-D4252/N4552/D5252 EPIC SBC
Page 92

Enabled DEFAULT
USB function support enabled
 USB 2.0 (EHCI) Support [Enabled]
Use the USB 2.0 (EHCI) Support BIOS option to enable or disable USB 2.0 support.

Enabled DEFAULT
USB 2.0 (EHCI) support enabled

Disabled
USB 2.0 (EHCI) support disabled
 Set Spread Spectrum Function [Disabled]
The Set Spread Spectrum Function option can help to improve CPU EMI issues.

Disabled DEFAULT
The spread spectrum mode is disabled

Enabled
The spread spectrum mode is enabled
5.4.3 Intel IGD SWSCI OpRegion
Use the Intel IGD SWSCI OpRegion menu to configure the video device connected to the
system.
Aptio Setup Utility – Copyright (C) 2010 American Megatrends, Inc.
Chipset
Intel IGD SWSCI OpRegion Configuration
DVMT Mode Select [DVMT Mode]
DVMT/Fixed Memory [256 MB]
IGD - Boot Type [VBIOS Default]
LCD Panel Type [Select by Panel ID]
Select DVMT Mode/Fixed
Mode
---------------------
 : Select Screen
 : Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
Version 2.02.1205. Copyright (C) 2010 American Megatrends, Inc.
BIOS Menu 18:South Bridge Chipset Configuration