XGA-2 Setup under DOS and Windows

Table 1

Remarks: The following table shows only the key-resolutions which are included in the most drivers and which are mainly used by the applications. The XGA-2 however is (relatively) free programmable for all resolutions / refresh-rates, which do not exceed the maximum bandwidth of the adapter.

There is no such "top resolution" - it is only limited through

  • number of vertical and horizontal pixels
  • rate of vertical refresh
  • colour depth
A resolution of 1300 x 1024 is possible - but uses a refresh of only maximal 43Hz interlaced, which is not ISO-compliant.

The maximum ISO-compliant resolution is 1024 x 768 at 75Hz non-interlaced. Though: some DMQS-files allow resolutions over 1024 x 768 - but with non-ISO compliant refresh rates and only with 16 colours (4 bit / pixel).

The XGA-2 is capable to handle a color-depth of 16 bit / pixel, which is 65536 colours, commonly called 64K- or Hi-Color mode.

XGA-2 Resolutions Supported

ResolutionsScan FrequencyNI / IColours /
Grey Shades
VESA
Vert. (Hz)Horiz. (KHz)
640 x 4806031.5NI64K / 256
640 x 4807237.8NI64K / 256VS
640 x 4807539.4NI64K / 256
800 x 6005635.2NI64K / 256VG
800 x 6006037.9NI64K / 256VG
800 x 6007248.1NI64K / 256VS
800 x 6007550.0NI256 / 256
1024 x 76843.535.5I256 / 256
1024 x 7686048.4NI256 / 256VG
1024 x 7687056.5NI256 / 256VS
1024 x 7687258.1NI256 / 256
1024 x 7687561.1NI256 / 256
1280 x 10244548.8I16 / 16

Notes:
I = Interlaced
NI = Non Interlaced
VS = Video Electronic Standards Association (VESA) Standard
VG = Video Electronic Standards Association (VESA) Guideline

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