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5-9
Chapter 5: BIOS
Rank
Interleaving
This setting allows you to select different rank interleaving settings. Options
include Auto, 1 Way, 2 Way, 4 Way and 8 Way.
Patrol Scrub This setting allows you to either Enable or Disable Patrol Scrub for your system.
Demand
Scrub
This setting allows you to Enable or Disable the Demand Scrubbing in your
system.
Data
Scrambling
This setting allows you to Enable or Disable the Data Scrambling in your system.
Device
Tagging
This setting allows you to Enable or Disable the Device Tagging in your system.
Thermal
Throttling
For this setting, selecting Disabled sets Open Loop Thermal Throttling, whereas
selecting CLTT sets Closed Loop Thermal Throttling.
South Bridge
Configuration
This sub-menu static displays PCH Information (chipset Name, Stepping and
USB Devices), and allows you to configure other South Bridge features.
All USB Devices
This setting allows you to enable USB devices in your system. Options include
Enabled or Disabled.
EHCI Controller 1/
EHCI Controller 2
This setting allows you to Enable or Disabled USB 2.0 (EHCI) support for
Controller 1/2.
Legacy USB
Support
This setting allows you to enable the use of Legacy USB devices. If this option is
set to Auto, legacy USB support will be automatically enabled if a legacy USB
device is installed on the mainboard, and disabled if no USB devices are
connected. The options include Disabled, Enabled and Auto.
Port 60/64
Emulation
This setting Enables or Disables I/O port 60h/64h emulation support. This
should be enabled for the complete USB keyboard legacy support for non-USB
aware OSes.
EHCI Hand-off
This setting is a workaround for OSes without EHCI hand-off support. The EHCI
ownership change should be claimed by the EHCI driver. Options include
Enabled or Disabled.
Table 5-6. SATA Configuration Sub-menu
Menu Option Description
SATA Mode
This setting allows you to specify the SATA mode used for your system. Options
include Disabled, IDE Mode, AHCI Mode and RAID Mode.
Aggressive Link
Power Management
This setting allows you to Enable or Disable Aggressive Link Power
Management for your system.
Port 0 Hog Plug
These settings allow you to Enable or Disable SATA Port Hot Plug support for
each port specified.
Staggered Startup (5)
These settings allow you to Enable or Disable AHCI Staggered Spin-up support
for each drive.
Table 5-5. Chipset Configuration Sub-menu (Continued)
Menu Option Description