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Entry type: FAQ Entry ID: 16507823, Entry date: 07/14/2003
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Display modes for the ATI Mobility 128 controller

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QUESTION:
Which screen resolution is supported by the ATI Graphics Controller Mobility 128 in SIMATIC Box PC 840, SIMATIC Rack PC 840, SIMATIC Panel PC 870 and SIMATIC Power PG (all systems with Pentium III)? 

ANSWER:  
Table 1 gives you the Windows default resolutions supported together with the associated refresh rates.
In the case of Panel PC 870 and Power PG, resolutions that are less than the actual resolution of the LCD display are expanded to the full resolution and resolutions that are greater are displayed in "Panning Mode" (in sections).
The expansion can be switched off in the BIOS and in Windows.

Resolution

Refresh Rates (Hz)

640 x 480

60     72     75     85       90     100     120     160     200

800 x 600

60     70     72     75       85       90     100     120     160     200

1024 x 768

60     70     72     75       85       90     100

1152 x 864

60     70     75     85     100

1280 x 1024

60     70     75     85       90     100

1400 x 1050

60*

1600 x 1200

60     66     70     75       85

* This mode is only available in the Power PG with "SXGA+ Display".

Table 1: Display modes

Many other modes are available under DOS as "VESA Modes" and as "DirectDraw Modes", but are not listed here.

Keywords:
Graphics Controller, Resolution, Refresh rate

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