ECS AMD690GM-M2, Manual, Page: 42 / 68

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Using BIOS
Timing Mode (Auto)
This item allows you to set up the DRAM timing manually or automatically.
Memory Clock value or Limi (DDR2 400)
When DDR2 Timing Setting by is set to Manual, use this item to set the DRAM
frequency.
SPD Checksum Restart (Ignore)
This item enables or disables SPD Checksum Restart function.
DQS training is used to place the DQS strobe in the center of the data eye.
DQS Training Control (Perform DQS)
CKE based powerdown (Per Channel)
The DRAM channel is placed in power down when all chip selects associated with
the channel are idle.
Memclock tri-stating (Disabled)
This item enables or disables memclock tri-stating function.
Memory Hole Remapping (Enabled)
This item allows users to enable or disable memory hole remapping.
CKE base power down mode (Disabled)
When in power down mode, if all pages of the DRAMs associated with a CKE pin
are closed, then these parts are placed in power down mode. Only pre-charge power
down mode is supported, not active power down mode.
Auto Optimized Bottom IO (Enabled)
This item is used to set the Auto Optimized Bottom IO.
Press <Esc> to return to the Advanced Chipset Features page.
Bottom of UMA DRAM [31:24] (FC)
This item is used to set the bottom of UMA DRAM [31:24]. We strongly recom-
mend that you leave this item at its default setting.
Bottom of [31:24] IO space (D0)
This item is used to select the memory that will be remapped higher than 00D0.