Screen standards – Texas Instruments TravelMate 2000 User Manual

Page 170

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Screen Standards

The following is an overview of the screen standards supported by the TravelMate 2000 internal display
adaptor.

MDA (Monochrome Display Adaptor)

The MDA standard supports a 720-by-350 monochrome text display using a 9-by- 14 pixel character box.

The TravelMate 2000 LCD screen supports MDA by displaying an 80-column by 25-line monochrome text
display in two modes:

Standard

Expanded

Character box:

8 x 16

8 x 16

Display area:

640 x 400

640 x 480

CGA (Color Graphics Adaptor)

The CGA standard supports 640-by-200 pixel two-color graphics or 320-by-200 pixel four-color graphics
and uses an 8-by-8 pixel character box in text mode.

The TravelMate 2000 LCD screen supports CGA by displaying text in an 80-column by 25-line text display
with 16 shades of gray in two modes:

Standard

Expanded

Character box:

8 x 16

8x 16

Display area:

640 x 400

640 x 480

Screen Standards J-1

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