DFI EC300 Series - Manual (Page 141)

141
7
BIOS Setup
USB Confi guration
Enable or disable XHCI
pre-boot driver support.
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
USB Confi guration
XHCI Pre-Boot Driver
xHCI Mode
HS Port #1 Switchable
HS Port #2 Switchable
HS Port #3 Switchable
HS Port #4 Switchable
xHCI Streams
EHCI1
EHCI2
[Enabled]
[Smart Auto]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
Chipset
 Select Screen
 Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous
Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Enable or disable PCI
Express Clock Gating for
each root port.
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
PCI Express Confi guration
PCI Express Clock Gating
PCIE Port 1 is assigned to LAN
 PCI Express Root Port 2
 PCI Express Root Port 3
 PCI Express Root Port 4
 PCI Express Root Port 5
[Enabled]
Chipset
 Select Screen
 Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous
Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
PCI Express Confi guration
PCI Express Clock Gating
Enables or disables PCI Express Clock Gating for each root port.
PCI Express Root Port 2 to PCI Express Root Port 5
Controls the PCI Express Root Port.