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Chapter 3
AT7/AT7E
3-18
DRAM Queue Depth:
Three options are available: 2 Level ( 4 Level ( 3 level. The default setting is 4 Level. This item sets
DRAM queue depth to accommodate maximum memory throughput.
DRAM Command Rate:
Two options are available: 2T Command or 1T Command. The default setting is 2T Command. When the
host (northbridge) locates the desired memory address, it then processes the wait state of commands. Set
it to 2T Command for system compatibility or to 1T Command for system performance.
DCLK Feedback Delay:
Nine options are available: Auto ( 0 ps ( 120 ps ( 240 ps ( 360 ps ( 480 ps ( 600 ps ( 720 ps
( 840 ps. The default setting is Auto. The northbridge via DCLK feedback signal to sense the DRAM
clock timing of DRAM module. This item will effect the DRAM module’s stability, we suggestion you
set to Auto.
AGP & P2P Bridge Control:
This item can let you sets several items concerning the AGP parameters. If you do not understand what
each item doing, please keep the default settings as well. Wrong settings will cause system unstablity or
even prevent boot up!
Figure 3-5D. AGP & P2P Bridge Control Screen