An EGA
video card
This is an 8 bit EGA monitor card. Would run 16-bit color EGA and TTL
monitors. In use from the late 80's to today. This one has some strange
features
(see below).
At the top..
- a parallel card connector, perhaps for add-on memory, perhaps as a
feature connector.
- A 6-pin plug -- plugs and sockets are marked "P" and "J" (for Jack) on
cards.
At the left of the card: 64K of memory (8 chips all marked "D41464C-12").
At the center: a Paradize PEGA-1A controller chip.
- The end connections, top to bottom:
- A set of switches. Most likely to allow emulation of B/W and CGA, and
a variety of size settings for color. Many of these also allowed setting the
primary video, so that a second monitor could be used.
- Two RCA sockets. Often not connected, but just there to emulate the
design of the IBM original. Could be rewired off the card to pins 7 and 1 of
the video connector to provide 60Hz line video.
- the monitor port (DB9 female socket)
The connector strip at the bottom indicate that this is an 8 bit (ISA)
card.
There are two jumpers for who knows what.
HOST: Outflux.net, http://www.Outflux.net
URL: http://jnocook.net/user/ega.htm
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