Chapter 2
33
DRAM RAS# Precharge
Select the number of CPU clocks allocated for the Row Address Strobe (RAS#) signal to
accumulate its charge before the DRAM is refreshed. If insufficient time is allowed, refresh may be
incomplete and data lost.
Precharge Delay (tRAS)
The precharge time is the number of cycles it takes for DRAM to accumulate its charge before
refresh.
System Memory Frequency
This item sets the main memory frequency. When you use an external graphics card, you can
adjust this to reach the best performance for your system.
SLP S4# Assertion Width
This item indicates the minimum assertion width of the SLP_S4# signal to guarantee that the
DRAMs have been safely power-cycled.
System BIOS Cacheable
This item allows the system to be cached in memory for faster execution. You can enable this item
for better performance.
Video BIOS Cacheable
This item allows the video BIOS to be cached in memory for faster execution.
PEG / OnChip VGA Control
This item allows you to choose the primary display card.
PEG Force X1
This item is used to select the PCI Express X1 forcedly.
Onchip Frame Buffer Size
This allows you to set the VGA frame buffer size.
DVMT Mode
DVMT is Dynamic Video Memory Technology. This item helps you select video mode.
Summary of Contents for Aspire E650
Page 2: ...II PRINTED IN TAIWAN ...
Page 16: ...6 Chapter 1 Main Board Placement ...
Page 83: ...73 Chapter 6 Exploded Diagram ...
