M6VLB with VIA Apollo PLE133 northbridge which graphics core is taken from Trident Blade3D with 8Mb of system frame buffer sizes.However, the M6VSA Is using PM133 as northbridge which taken a graphics core from S3(a combination of the 3D-component from Savage4 and 2D from Savage2000) with 32Mb of system frame bffer size. The larger the system frame buffer size the better the Video perfromance.
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