ETM830 All-In-One ETX v3.01 SoM User’s Manual
Award BIOS Utility
37
CAS and RAS strobe signals, used when DRAM is written to, read
from, or refreshed.
z
DRAM RAS# Precharge
The precharge time is the number of cycles it takes for the RAS to
accumulate its charge before DRAM refresh. If insufficient time is
allowed, refresh may be incomplete and the DRAM may fail to
retain data.
z
Precharge Delay <tRAS>
The precharge time is the number of cycles it takes for DRAM to
accumulate its charge before refresh.
z
System Memory Frequency
This item helps you set main memory frequency. When using an
external graphics card, it can be adjusted to enable the best
performance for your system.
z
System BIOS Cacheable
Selecting Enabled allows caching of the system BIOS ROM at
F0000h-FFFFFh, resulting in better system performance. However,
if any program writes to this memory area, a system error may
result. The default value is
“
Disabled
”
.
z
Video BIOS Cacheable
This item allows you to change the Video BIOS location from ROM
to RAM. Video Shadow will increase the video speed.
*** VGA Setting ***
z
PEG/Onchip VGA Control
This setting allows you to select whether to use the onchip
graphics processor or the PCI Express card. When set to [Auto],
the BIOS will check if a PCI Express graphics card is installed or
not. If a PCI Express graphics card is detected, the board will boot
up using that card. Otherwise, it is defaulted to the onchip graphics
processor.
z
PEG Force X1
This BIOS feature allows you to convert a PCI Express X16 slot
into a PCI Express X1 slot. When this item is enabled, the PCI
Express X16 slot will be forced to run in the PCI Express X1 mode.
When this item is disabled, the PCI Express X16 slot will be
allowed to run its normal PCI Express X16 mode.
z
On-Chip Frame Buffer Size
Use this item to set the VGA frame buffer size.
