Chapter 7: BIOS
7-13
Power Down Control
Allows DIMMs to enter power down mode by deasserting the clock enable signal
when DIMMs are not in use. Options are
Auto
and Disabled.
Alternate VID
Specifi es and alternate VID while in low power states. Options are
Auto
and
various voltages between .8V and 1.115V.
Memory Timing Parameters
Allows the user to select which CPU Node's timing parameters (memory clock,
etc.) to display. Options are
CPU Node 0,
CPU Node1, CPU Node2 and CPU
Node3.
SouthBridge Confi guration
USB 1.1 Controller
Enable
or disable the USB 1.1 controller.
USB 2.0 Controller
Enable
or disable the USB 2.0 controller.
USB Devices Enabled
This fi eld dsiplays the USB devices currently enabled.
Legacy USB Support
Select "Enabled" to enable the support for USB Legacy. Disable Legacy support
if there are no USB devices installed in the system. "Auto" disabled Legacy
support if no USB devices are connected. The options are Disabled,
Enabled
and Auto.
USB 2.0 Controller Mode
Select the controller mode for your USB ports. Options are
HiSpeed
and
FullSpeed. (HiSpeed=480 Mbps, FullSpeed=12 Mbps
)
.
BIOS EHCI Hand-Off
Enable
or Disable a workaround for OS's without EHCI hand-off support.
Содержание AS-1041M-82
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