IBASE Technology IB804, Руководство пользователя, Страница: 28 / 54

BIOS SETUP
24 IB804 User’s Manual
Advanced Chipset Features
This Setup menu controls the configuration of the chipset.
Phoenix - AwardBIOS CMOS Setup Utility
Advanced Chipset Features
DRAM Timing Selectable By SPD ITEM HELP
CAS Latency Time Auto Menu Level >
DRAM RAS# to CAS# Delay Auto
DRAM RAS# Precharge Auto
Precharge delay (tRAS) Auto
System Memory Frequency Auto
SLP_S4# Assertion Width 1 to 2 Sec
System BIOS Cacheable Enabled
Video BIOS Cacheable Disabled
Memory Hole at 15M-16M Disabled
PCI Express Root Port Func Press Enter
** On-Chip VGA Setting **
On-Chip Frame Buffer Size 8MB
DVMT Mode DVMT
DVMT/FIXED memory Size 128MB
Boot Display CRT+LVDS
Panel Scaling Auto
Panel Number 1024x768 18 bit SC
DRAM Timing Selectable
This option refers to the method by which the DRAM timing is selected.
The default is
By SPD .
CAS Latency Time
You can configure CAS latency time in HCLKs as 2 or 2.5 or 3. The
system board designer should set the values in this field, depending on
the DRAM installed. Do not change the values in this field unless you
change specifications of the installed DRAM or the installed CPU.
DRAM RAS# to CAS# Delay
This option allows you to insert a delay between the RAS (Row Address
Strobe) and CAS (Column Address Strobe) signals. This delay occurs
when the SDRAM is written to, read from or refreshed. Reducing the
delay improves the performance of the SDRAM.