And one more thing, I'm not sure it's essential, but it may be wise to ensure that you specify the driver as 'intel' in your Device Section.
i.e. Section "Device" Identifier "Configured Video Device" Driver "intel"
And one more thing, I'm not sure it's essential, but it may be wise to ensure that you specify the driver as 'intel' in your Device Section.
i.e.
Section "Device"
Identifier "Configured Video Device"
Driver "intel"