Device drivers are the software interfaces that talk directly to the physical graphics hardware. The PCI\VEN Code can be broken down into parts that relate to the hardware manufacturer, the category of the hardware and the revision of the hardware. The first part, the "PCI\VEN_", is specific to the manufacturer, AMD ATI has the PCI\VEN code of "PCI\VEN_1002". The "&DEV_" part of the code relates to the hardware, in this case the "DEV_71A7" relates to graphics hardware, specifically the Radeon X1300 X1550 (RV516). If the graphics device is slow or just seems to be not working, then it is likely that the driver is a generic driver, is not installed correctly or is just broken. For use only with the AMD ATI Radeon X1300 X1550 (RV516) device, an up-to-date list of downloads is shown below.
Ati Radeon X1300 Driver Windows 7 64-bit Download
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