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CAS# Latency (SCLs)
This option controls the latency between the SDRAM read command
and the time when data becomes available.
RAS to CAS delay (SCLKs)
This option controls the latency between the SDRAM active
command and the read/write command.
SDRAM RAS# Precharge (SCLKs)
This controls the idle clocks after issuing a pre-charged command to
the SDRAM.
Display Cache Window Size
This feature enables you to select the size of mapped memory for
Display Cache data.
AGP Aperture Window
This feature enables you to select the size of mapped memory for
AGP graphic data.
USB Function
Select Enabled if your system has a Universal Serial Bus (USB)
controller and you have USB peripherals.
USB Device Legacy Support
This motherboard supports Universal Serial Bus (USB) devices. If
detected, USB controller legacy mode will be enabled. If not
detected, USB controller legacy mode will be disabled.