## Display Device Driver Reference for OS/2

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### Extended modes

Extended modes include the following:

At least one of the 132-column text modes (if applicable).

At best, all of the supported 256-color modes with respective refresh rates (see Monitor Timings Support in this chapter).

At the minimum, modes that are supported by the respective Presentation Manager display driver.

If the adapter in question has both accelerated and nonaccelerated modes, only the accelerated modes should be provided.

At best, all of the supported hi-color and true-color modes with respective refresh rates (see Monitor Timings Support in this chapter).

At the minimum, modes which are supported by the respective Presentation Manager display driver.

If the adapter in question has both accelerated and nonaccelerated modes, only the accelerated modes should be provided.