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Enable AGP 4x On VIA Chipsets

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 »  Home  »  Hardware  »  Enable AGP 4x On VIA Chipsets
Enable AGP 4x On VIA Chipsets
By  Super Admin  | Published  02/25/2005 | Hardware | Unrated
Enable AGP 4x On VIA Chipsets

A quick check in the Device Manager will reveal the lack of some items, such as the “Via CPU to AGP Controller.” What’s worse is downloading and installing the latest Via Drivers won’t help under normal circumstances. This guide will get you the controller back and increase your framerates.

1. Download the latest Via 4-in-1 drivers here -
2. Navigate to wherever you saved the drivers, and unzip them to a folder.
3. Open the folder and find the Setup.exe. Right-click it and choose Properties.
4. Click the Compatibility Tab.
5. Check the box labeled “Run this program in compatibility mode for: ” Choose Windows 2000 from the drop down list.
6. Click “Ok” to close the dialog.
7. Double-click the setup and install the drivers as usual.
8. When you reboot, you’ll notice the “Via CPU to AGP Controller” in your device manager, as well as a few other Via items that weren’t there before.

This works because, ultimately, XP is running Windows 2000’s engine under the hood. Hopefully Via will resolve this driver issue in the future, but in the meantime, this works quite well.


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  • Comment #1 (Posted by an unknown user)
    doesnt work on my xp
  • Comment #2 (Posted by an unknown user)
    It is crystal clear
  • Comment #3 (Posted by an unknown user)
    doesnot install
  • Comment #4 (Posted by an unknown user)
    VIA CPU to AGP Controller
  • Comment #5 (Posted by an unknown user)
    Install use pay, Who wants to pay
  • Comment #6 (Posted by an unknown user)
    doesn't work
  • Comment #7 (Posted by an unknown user)
    Nice tip, but didn't work on my Biostar K8T890 :(
  • Comment #8 (Posted by an unknown user)
    Can work. Nowadays there are Hyperion drivers, trying them now. The issue is related to various settings. In BIOS all AGP settings must be enabled (FW transfer - 4x - etc). Had an Nvidia Ti4600, worked only with VIA4-1 + FW transfer + recent drivers (on XP, on 2X no problem offcourse) The ATI3650 i'm trying now runs 2x. ps 8x is no option and never had problems with voltages or PSU, only with some BIOS settings and specific OS : XP
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