AR-B1890 User’s Manual
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DRAM RAS# to CAS# Delay This option allows you to insert a delay between
RAS and CAS signals.
DRAM RAS# Precharge This option sets the number of cycles required
for the RAS to accumulate its charge before the
DRAM refreshes.
Precharge delay ( tRAS ) The default setting Precharge delay is 8.
SLP_S4# Assertion Width The default is 4 to 5 Sec.
System BIOS cacheable When enabled, the system BIOS ROM at
F0000h-FFFFFh.
Video BIOS cacheable When enabled, the video BIOS ROM at
C0000h-F7FFFh.
Memory Hole At 15M-16M In order to improve performance, certain space
in memory can be reserved for ISA cards. This
memory must be mapped into the memory
space below 16MB.
PCI Express Root Port Func The default is Press Enter.
VGA Setting The fields under the VGA setting and their
default setting are:
PEG/Onchip VGA Control Auto
On-Chip Frame Buffer Size 8MB
DVMT Mode DVMT
DVMT/FIXED Memory Size 128MB
Boot Display Auto
Panel Scaling Auto
Panel Number 1
TV Standard Off
Video Connector Automatic
TV Format Auto
FWH Write Protection Disabled
Onboard LAN1 Control Enabled
Onboard LAN2 Contro Enabled