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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. Options are Enabled and Disabled.
Memory Hole Remapping
When Enabled, this feature enables hardware memory remapping around the
memory hole. Options are Enabled and Disabled.
CS Sparing
This setting will reserve a spare memory rank in each node when enabled.
Options are Enabled and Disabled.
DCT Unganged Mode
This setting enables unganged DRAM mode (64-bit). Options are Auto
(ganged mode) and Always (unganged mode).
Power Down Enable
This setting enables or disables the DDR power down mode. Options are
Enabled and Disabled.
Power Down Mode
This sets the power down mode. Options are Channel and Chip Select.
ECC Confi guration
ECC Mode
This setting affects the DRAM scrub rate based on its setting. Options are
Disabled, Basic, Good, Super, Max and User. Depending upon the setting
chosen, some or all of the following settings will become active:
DRAM ECC Enable
DRAM ECC allows hardware to report and correct memory errors automati-
cally. Options are Enabled and Disabled.
7-9
Chapter 7: BIOS
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