Samsung N640 User Manual download pdf (Page 79)

Using Dual View mode 79

Limits on Video Driver while using Dual View mode

1. Certain combinations of display modes, color depth and refresh rate, when

Dual View mode is active, are not supported because of video memory

bandwidth limitation.

2. When using Dual View in simultaneous display mode, frame rates in Direct

Draw applications are slightly lower because of the need to synchronize buffer

flip.

3. If the primary/secondary monitor on Dual View mode is set to high resolution

and high refresh rate display mode, the full frame rate setting on DVD-ROM

may not played properly. Playing DVD-ROM on Single View mode is highly

recommended.

4. It is not possible to use 16 bit colors in Windows 98. If so, secondary monitor

on Dual View mode can not support the VGA mode.

5. The video memory uses one memory pool for two screen and Direct Draw

application on Dual View mode in Windows 98. So activating the Direct Draw

application which does not support that mode could cause fail in changing

mode.

6. The program which does not have Dual View compatibility can not be used in

the secondary monitor on Dual View mode.

7. The ATI video driver supports VPE (Microsoft video port specification) for

multimedia function. So the program uses VPM (Cirrus logic video port

specification) may not be supported.

8. Changing Dual View mode to Single View mode while you maximize the

window of a program (such as Windows Explorer) could be failed. Set the

resolution of the secondary monitor lower than the primary monitor, or adjust

the window size to smaller (not full screen).

9. When you use CRT and TV together as the same primary monitor or secondary

monitor, the display size of the CRT is smaller than TV. The reason is that the

frequency bandwidth is different from TV to CRT.

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Samsung N640 User Manual Page 79