35
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 settings are: Enabled and Disabled.
Video RAM Cacheable
Select Enabled allows caching of the video BIOS, resulting in better system performance.
However, if any program writes to this memory area, a system error may result. The settings
are: Enabled and Disabled.
Memory Hole
You can reserve this area of system memory for ISA adapter ROM. When this area is
reserved, it cannot be cached. The user information of peripherals that need to use this area of
system memory usually discusses their memory requirements. The settings are: Enabled and
Disabled.
3-6-1 DRAM Clock/Drive Control
CMOS Setup Utility – Copyright(C) 1984-2004 Award Software
DRAM Timing Settings
Item Help
Current FSB Frequency 200MHz
Current DRAM Frequency 266Mhz
DRAM Clock By SPD
DRAM Timing Auto By SPD
IT CMD Support Disabled
Menu Level >>
↑↓→←
Move Enter:/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
F5:Previous Values F6:Optimized Defaults F7:Standard Defaults
RAS Active Time
This field let’s you insert a timing delay between the CAS and RAS strobe signals, used when
DRAM is written to, read from, or refreshed.
Fast
gives faster performance; and
Slow
gives
more stable performance. This field applies only when synchronous DRAM is installed in the
system. The settings are: 2T and 3T.
RAS Precharge Time
If an insufficient number of cycles is allowed for the RAS to accumulate its charge before
DRAM refresh, the refresh may be incomplete and the DRAM may fail to retain date.
Fast
gives faster performance; and
Slow
gives more stable performance. This field applies only
when synchronous DRAM is installed in the system. The settings are: 2T and 3T.
CAS Latency
When synchronous DRAM is installed, the number of clock cycles of CAS latency depends
on the DRAM timing. The settings are: 2T and 2.5T.
