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Old 02-24-11, 05:52 PM   #2
NVIDIA Corporation
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Join Date: Mar 2005
Posts: 2,487
Default Re: Amount of the video RAM wrongly detected by nvidia-drivers/settings-270.18

That number reports the total amount of memory available to the GPU. From NVCtrl.h:
 * NV_CTRL_VIDEO_RAM - returns the total amount of memory available
 * to the specified GPU (or the GPU driving the specified X
 * screen).  Note: if the GPU supports TurboCache(TM), the value
 * reported may exceed the amount of video memory installed on the
 * GPU.  The value reported for integrated GPUs may likewise exceed
 * the amount of dedicated system memory set aside by the system
 * BIOS for use by the integrated GPU.
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