MSI PT880 User Guide - Page 53

AGP Timing Control, AGP 2.0/3.0, AGP Driving Control, AGP Driving Value, AGP Fast Write, AGP

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AGP Timing Control Press and the following sub-menu appears. BIOS Setup AGP 2.0/3.0 Mode AGP 2.0/3.0 Mode appears depending on the AGP card installed on the mainboard. This item sets an appropriate mode for the installed AGP card. Setting options for AGP 2.0 Mode: [1X], [2X], [4X]. Setting options for AGP 3.0 Mode: [4X], [8X]. AGP Driving Control This item is used to adjust the AGP driving force. Selecting [Manual] allows you to select an AGP driving force in AGP Driving Value. It is strongly recommended to select [Auto] to avoid any system error caused. AGP Driving Value This item specifies an AGP driving force. AGP Fast Write The field enables or disables the AGP Fast Write feature. The Fast Write technology allows CPU to write directly to the graphics card without passing anything through the system memory and improves the AGP 4X speed. Select [Enabled] only when the installed AGP card supports the function. AGP Aperture Size (MB) This setting controls just how much system RAM can be allocated to AGP for video purposes. The aperture is a portion of the PCI memory address range dedicated to graphics memory address space. Host cycles that hit the aperture range are forwarded to the AGP without any translation. The option allows the selection of an aperture size of [32MB], [64MB], [128MB], and [256 MB]. Two extra options of [512MB] and [1GB] will be available when AGP 3.0 card is installed. AGP Master 1 WS Write When [Enabled] is selected, writes to the AGP bus are executed with one wait state inserted. 3-13

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3-13
BIOS Setup
AGP Timing Control
Press <Enter> and the following sub-menu appears.
AGP 2.0/3.0
Mode
AGP 2.0/3.0 Mode appears depending on the AGP card installed on the
mainboard. This item sets an appropriate mode for the installed AGP card.
Setting options for AGP 2.0 Mode: [1X], [2X], [4X]
.
Setting options for AGP 3.0
Mode: [4X], [8X]
.
AGP Driving Control
This item is used to adjust the AGP driving force. Selecting [Manual] allows you
to select an AGP driving force in AGP Driving Value. It is strongly recommended
to select [Auto] to avoid any system error caused.
AGP Driving Value
This item specifies an AGP driving force.
AGP Fast Write
The field enables or disables the AGP Fast Write feature. The Fast Write tech-
nology allows CPU to write directly to the graphics card without passing any-
thing through the system memory and improves the AGP 4X speed. Select
[Enabled] only when the installed AGP card supports the function.
AGP Aperture Size (MB)
This setting controls just how much system RAM can be allocated to AGP for
video purposes. The aperture is a portion of the PCI memory address range
dedicated to graphics memory address space. Host cycles that hit the aperture
range are forwarded to the AGP without any translation. The option allows the
selection of an aperture size of
[32MB], [64MB], [128MB], and [256 MB]. Two
extra options of
[512MB] and [1GB] will be available when AGP 3.0 card is
installed.
AGP Master 1 WS Write
When [Enabled] is selected, writes to the AGP bus are executed with one wait
state inserted.