BIOS Setup Utility
SY-P4-645DX DRAGON Ultra
55
CHIPSET FEATURES SETUP (Continue)
Setting
Description
Note
64M
Default
AGP Aperture
Size
32M,
128M,
256M.
Select the size of Accelerated
Graphics Port (AGP) aperture. The
aperture is a portion of the PCI
memory address range dedicated
for graphics memory address
space. Host cycles that hit the
aperture range are forwarded to the
AGP without any translation.
Disabled
Graphic
Window WR
Combin
Enabled
Enabled/Disabled Graphic window
write combin.
Default
Disabled
Default
Auto Detect
DIMM/PCI Clk
Enabled
When enabled, this item will auto
detect if the DIMM and PCI socket
have devices and will send clock
signal to DIMM and PCI devices.
When disabled, it will send the
clock signal to all DIMM and PCI
socket.
Disabled
Default
Spread
Spectrum
Enabled
This item allows you to Disabled /
Enabled the spread spectrum
modulate.