Video Graphics Array Adapter; Enhanced Keyboards; 101-Key Enhanced Keyboard - DEC DECstation 316+ Service Manual

1.4.9 Video Graphics Array Adapter

The Video Graphics Array (VGA) adapter provides the video
display control functions of the DECstation. The VGA adapter is
available in 8-bit or 16-bit (800 x 600 resolution) models, and is
also compatible with the following video standards. (Note: There
is also a 16-bit VGA 1024 x 768 resolution model available).
• MCGA - Multi-color Graphics Array
• EGA - IBM Extended Graphics Adapter
• CGA - IBM Color Graphics Adapter
• MDA - IBM Monochrome Display Adapter
• Hercules graphics - Hercules graphic card
The VGA adapter can run software written for any of the video
standards on any supported monitor. For example, you can run
monochrome or color software on supported DECstation color
monitors. The VGA also supports 132 column text mode. The text
mode and color or monochrome mapping can be set by using the
VGA.EXE utility supplied with the system.

1.4.10 Enhanced Keyboards

There are two different keyboards that are available as options on
the DECstation: The 101-key enhanced keyboard, and the LK250
keyboard.
NOTE
Keyboards used with the DECstation must be equipped
with a 6-pin miniature PS/2-style connector.

1.4.10.1 101-Key Enhanced Keyboard

The 101-key enhanced keyboard provides the industry-standard
IBM-PC/AT-style key arrangement on a smaller, desktop keyboard.
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