EVGA nForce 3 250, Руководство пользователя

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AGP Aperture Size
Select the size of the 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. Set this function to
one of the configuration options:
32M, 64M, 128M, 256M or 512M .
AGP 3.0 Speed
This setting is Enabled if an AGP 3.0 graphics card is detected by the
system.
AGP 2.0 Speed
This option is for configuring the AGP bus speed. Set this function to
one of the configuration options:
Auto, 1x, 1x2x or 1x2x4x .
AGP Fast Write
Selecting auto for this feature will allow the Fast Write Protocol to
function (AGP 8X/4X). Set this function to one of the configuration
options:
Auto or Disabled .
Note: Not all AGP cards support Fast Write.
AGP Sideband Address
Configuring this option determines the bus address between AGP card
and CPU. Set this function to one of the configuration options:
Auto or
Disabled .
HT Frequency
Set this function to one of the configuration options: 1X, 2X, 3X, 4X or
5X .
Special I/O for PCI Card
The purpose of this item is to allocate specific addresses for specific
PCI cards. The configuration settings for this option are
Enabled or
Disabled . If enabled, Base I/O Address and I/O Length will also have
to be configured.
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. Set this
function to one of the configuration options:
Enabled or Disabled .