3: BIOS Setup Utility
19
SDRAM Cycle
Length
This field enables you to set the CAS latency time
in HCLKs of 2/2 or 3/3. The system board
designer should have 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.
Bank Interleave
This item allows you to enable or disable the Bank
Interleave function with 2 banks or 4 banks.
DRAM Clock
Enables the user to select the DRAM Clock.
DRAM Drive
Strength
This option determines the signal strength from
the mainboard for the installed DRAM.
System BIOS
Cacheable
When enabled, the System BIOS will be cached
for faster execution.
Video RAM
Cacheable
When enabled, the graphics card’s local memory
will be cached for faster execution. However, if
any program writes to this memory area, a system
error may result.
Frame Buffer Size
This option determines the frame buffer size
shared from the main memory for use by the
onboard VGA display.
AGP Aperture Size
This option determines the effective size of the
AGP Graphic Aperture, where memory-mapped
graphic data structures are located.
OnChip USB
This item allows you to enable the USB port, if you
have installed a USB device on the system board.
OnChip USB 2
This item allows you to enable the USB 2 port, if
you have installed more USB device on the
system board.
USB Keyboard
Support
Enables function when the USB keyboard is being
used. Disabled (default) when an AT keyboard is
used.
OnChip Sound
Disabling this function turns off the onboard audio
chip.
OnChip Modem
This should be enabled if your system has a
modem installed on the system board and you
wish to use it.
PCI Master 0 WS
Write
When enabled, writes to the PCI bus are executed
with zero wait states.
PCI#2 Access #1
Retry
When enabled, the AGP Bus (PCI#1) access to
PCI Bus (PCI#2) is executed with the error retry
feature.
