Table D.2.
in
Vi
eo
on
19urations
1\v
d
Cft
ATl
Graphics Co-exists
with
Solution as
Monochrome ATl as
CGA
Adapter
IBMCGA
Monochrome
ATlas
CGA
Graphics Color/Emulat. Adapt.
Hercules Color
Color/Graphics
or
ATl
asMGA
Emulation
or
IBMMDA
Plantronics Hercules Graphics
IBM
EGA
640
x
200
nothing
16
colors
ATl
-ATI
Graphics Solution Adapter
CGA
- Color/Graphics Adapter
MDA
- Monochrome Display Adapter
MGA
- Monochrome Graphics Adapter
EGA
- Enhanced Graphics Adapter
0.6 For Advanced Users
Conflicts
with
IBMMDA
Hercules
Gr.
IBMMDA
Hercules
Gr.
IBMCGA
Color/Emulat.
Adapter
Hercules Col.
everything
The
ATl
Graphics Solution is designed
to
incorporate a
number
of
video
display features
into
one
board. Care should
be
taken
when
programming
the
ATl
Graphics Solution
to
avoid video
memory
contlict
or
selection
of
the
wrong
display mode. Damage
to
the
monitor
may result
due
to
wrong
programming parameters. You
should
read through this
chapter
before attempting
to
program
the
ATl
Graphics Solution.
0.6.1 Video Memory Organization
The
ATl
Graphics Solution has 64K bytes
of
video memory.
The
video
memory
is organized into
two
banks
with
32K bytes
in
each
bank.
The
physical address
of
the
video
memory
will
depend
on
the
user-selected display mode.
1. ATI GRAPHICS SOLUTION CONFIGURED IN THE COLOR!
GRAPHICS MODE
OR
EMULATION MODE.
There
are 16K bytes
of
video
memory
available for
the
alphanumeric
mode
and
the
graphiCS mode.
There
are four
submodes
of
operation.
Using AT!
37
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