Supermicro H8DGi User Manual page 61

Node Interleaving
This option enables node memory interleaving. Options include Auto or
Disabled.
Channel Interleaving
This option enables channel memory interleaving. Options include Auto
or Disabled.
CS Sparing
This setting will reserve a spare memory rank in each node when enabled.
Options are Enabled and Disabled.
Bank Swizzle Mode
This setting Enables or Disables the bank swizzle mode.
 ECC Confi guration
ECC Mode
This submenu affects the DRAM scrub rate based on its setting. Options
include Disabled, Basic, Good, Super, Max and User. Selecting User
activates the other options for user setting.
DRAM ECC Enable
This setting allows hardware to report and correct memory errors
automatically, maintaining system integrity. Options are Enabled or
Disabled. This is option is only active if ECC Mode above is set to User.
 DRAM Timing Confi guration
DRAM Timing Confi g
This option allows you to set the DRAM timing confi guration for the system.
Options include Auto or Manual.
IOMMU
This setting is used to enable or disable or set the GART size in systems
without AGP. Options include Enabled and Disabled.
Memory Timing Parameters
This selects the which node's timing parameters to display. The only selection
for this option is CPU Node 0.
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Chapter 4: BIOS