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Chapter 7: BIOS
Advanced Chipset Control
NorthBridge Confi guration
Memory Confi guration
Memclock Mode
This setting determines how the memory clock is set. Auto has the memory
clock by code and Limit allows the user to set a standard value.
MCT Timing Mode
Sets the timing mode for memory. Options are Auto and Manual.
Bank Interleaving
Select Auto to automatically enable interleaving-memory scheme when this
function is supported by the processor. The options are Auto and Disabled.
Enable Clock to All Dimms
Use this setting to enable unused clocks to all DIMMSs, even if some DIMM
slots are unpopulated. Options are Enabled and Disabled.
Mem Clk Tristate C3/ALTVID
Use this setting to Enable or Disable memory clock tristate during C3 and
ALT VID.
CS Sparing
This setting will reserve a spare memory rank in each node when enabled.
Options are Enable and Disable.
DQS Signal Training Control
Tunring off signal training will require custom memory timings programming.
This setting will automatically be disabled when CS Sparing is enabled. The
options are Enable and Disable.
Memory Hole Remapping
When "Enabled", this feature enables hardware memory remapping around
the memory hole. Options are Enabled and Disabled.
7-9
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