AMD ha dichiarato un'incompatibilità tra i chipset NForce 3 di NVidia e le schede video serie Radeon sotto il sitema operativo Windows Vista. L'errore "code 43" verrebbe ad generarsi nel momento in cui si tenta di caricare i drivers AGP con la conseguente impossibilità di usufruire della scheda video al difuori della modalità PCI. Il problema sembra affliggere soprattutto i sistemi Dual-Core e come già detto i chipset NForce 3.

Di seguito elenchiamo le schede video con le quali si potrebbero avere problemi sotto Windows Vista 32/64 bit e con i drivers Catalyst 7.1

• Radeon® X1950 AGP series
• Radeon® X1600 AGP series
• Radeon® X1300 AGP series
• Radeon® X850 series
• Radeon® X800 series
• Radeon® X700 series
• Radeon® X600 series
• Radeon® X550 series
• Radeon® X300 series
• Radeon® 9800 series
• Radeon® 9700 series
• Radeon® 9650/9600 series
• Radeon® 9550/9500 series

Symptoms
Attempting to install the graphics driver on a system containing an NVidia NF3 chipset and an ATI AGP graphics adapter may result in the driver failing to install and the 3D engine not activating.
In Windows Vista 32bit or 64bit versions, the Device Manager will show a (!) mark and the AGP card will operate in PCI mode only. When the properties of the device are shown, the error code will show as code 43.
This issue has been seen with other AGP chipsets such as VIA and SiS but has since been resolved by chipset driver updates from these manufacturers.
AMD’s AGP adapters require correctly functioning AGP support from the operating system in order to run the WDDM driver under Vista. This WDDM driver has no way of working around the absence of AGP support.

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