Dram Cas Latency; Dram Command Rate - Albatron PM800 Series User Manual

PM800 Series

DRAM CAS Latency

This item determines CAS Latency. When synchronous DRAM is installed, the number of clock cycles of
CAS latency depends on the DRAM timing. Do not reset this field from default value specified by the
system designer. This field is adjustable only when "DRAM Timing" set to "Manual". This field is locked
when "DRAM Timing" is set to "By SPD" and automatically determined by the system. Options:1.5、2、
2.5、3
Precharge to Active (Trp)
You can set the time to precharge. This field is adjustable only when "DRAM Timing" set to "Manual".
This field is locked when "DRAM Timing" is set to "By SPD" and automatically determined by the
system. Options: 2T、3T、4T、5T
Active to Precharge (Tras)
This item allows you to select DRAM Active to Precharge Delay. This field is adjustable only when
"DRAM Timing" set to "Manual". This field is locked when "DRAM Timing" is set to "By SPD" and
automatically determined by the system. Options: 6T、7T、8T、9T
Active to CMD (Trcd)
Select the DRAM delay time when being read. This field is adjustable only when "DRAM Timing" set to
"Manual". This field is locked when "DRAM Timing" is set to "By SPD" and automatically determined by
the system. Options:2T、3T、4T、5T

DRAM Command Rate

This item determines DRAM Command Rate.
Options: 2T Command (default)、1T Command
AGP & P2P Bridge Control
Press <Enter> to enter next page for AGP & P2P Bridge Control.
AGP Aperture Size
Select the size of the Accelerated Graphics Port (AGP) aperture. The aperture is a portion of the PCI
memory address range dedicated for graphics memory address space. Host cycles that hit the aperture
range are forwarded to the AGP without any translation.
Options: 256M、128M、64M (default)、32M
AGP 2.0 Mode
This item allows you to select the AGP Mode when you install an external VGA card.
Options: 1X、2X、4X
AGP Driving Control
By choosing "Auto" the system BIOS will automatically set the AGP output buffer drive strength. By
choosing "Manual", it allows user to set the AGP output buffer driver strength.
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