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Menu Option
CS Sparing
Enable
Bank Swizzle
Mode
ECC
Configuration
ECC Mode
DRAM
ECC
Enable
DRAM Timing
Configuration
DRAM Timing
Configuration
Memory Timing
Parameters
Memory
Information
IOMMU
OHCI HC and EHCI
HC Bus Settings
USB 2.0 Controller
Mode
Legacy USB Support
Table 6-3. Advanced Chipset Control Submenu
Description
This option reserves a spare memory rank in each node. Options include
Enabled and Disabled.
This option enables or disables bank swizzle mode.
This submenu contains the following options for ECC Configuration.
This option sets the level of ECC protection. Setting the option to 'Super' ECC
mode dynamically sets the DRAM scrub rate so all of memory is scrubbed in 8
hours. If you set this option to 'User' then you may further set the DRAM ECC
Enable option manually. Options include Disabled, Basic, Good, Super, Max and
User.
This option is only available for manual setting if the ECC Mode option above is
set to 'User". This option allows hardware to report and correct memory errors
automatically, maintaining system integrity. Options include Enabled or
Disabled.
This submenu contains the following options for DRAM Timing Configuration.
This option allows you to set the DRAM Timing configuration as Auto or Manual.
This option selects which node's timing parameters to display. Options include
CPU Node 0 or CPU Node 3.
Static memory information is also displayed in this submenu that includes
Memory CLK, CAS Latency (Tcl), RAS/CAS Delay (Trcd), Row Precharge Time
(Trp), Min Active RAS (Tras), RAS/RAS Delay (Trrd), Row Cycle (Trc), Read to
Precharge (Trtp) and Write Recover Time (Twr).
This option enables or disables the IOMMU setting.
These settings allow to enable or disable the various OHCI or EHCI HC bus
settings.
This option allows you to configure the USB 2.0 controller in HiSpeed (480Mbps)
or Full Speed (12Mbps) mode. Options include Enabled or Disabled.
This option enables support for legacy USB devices. Auto disables legacy
support if no USB devices are connected. Options include Auto, Enabled or
Disabled.
6-5
Chapter 6: BIOS
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