
Advanced NorthBridge Chipset Control and Configuration
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Memory Timing Parameters
This selects the which node's timing parameters to display. Options include CPU Node 0, CPU
Node 1, CPU Node 2 or CPU Node 3.
IOMMU
This setting is used to enable or disable or set the GART size in systems without AGP. Options
include Enabled and Disabled.
OHCI/EHCI HC Device Functions
These settings allow you to either Enable or Disable functions for OHCI or EHCI bus devices.
USB 2.0 Controller Mode
Use this setting to configure the USB 2.0 Controller in either Hi-Speed (480 Mps) or Full Speed
(12 Mps) mode. Options include Enabled (Hi-Speed Mode) or Disabled (Full Speed Mode).
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.
IDE Configuration
On Chip SATA Channel
This setting allows you to Enable or Disable the On Chip SATA channel.
On Chip SATA Type
Use this setting to set the On Chip SATA type. Options include Native IDE, RAID, AMD_AHCI
and Legacy IDE. Note that RAID is not an SGI supported configuration for the C2112-4G3.
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