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Chapter 7: BIOS
7-5
ECC Confi guration
ECC Mode
This submenu sets the level of ECC protection. Options include Disabled,
Basic, Good, Super, Max and User. Selecting User activates the other op-
tion for user setting.
Note: The "Super" ECC mode dynamically sets the DRAM scrub rate so all
of memory is scrubbed in 8-hours.
DRAM ECC Enable
This setting allows hardware to report and correct memory errors automati-
cally, maintaining system integrity. Options are Enabled or Disabled.
DRAM Timing Confi guration
DRAM Timing Confi g
This setting specifi es the DRAM timing confi guration. Options are Auto and
Manual.
Memory Timing Parameters
This selects the which node's timing parameters to display. The only selection
for this option is CPU Node 0.
Clock Speed Information
Clock speed information for memory is also displayed under this Northbridge
Chipset Confi rguration page.
IOMMU
This setting is used to 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 confi gure the USB 2.0 Controller in either Hi-Speed (480 Mps)
or Full Speed (12 Mps) mode.