SECTION
7.
MULTI-MODE
VIDEO
ADAPTER
CARD
The HP45981A Multi-Mode Video Adapter Card
has
available
memory
to
support eight pages
of
alpha and fast memory
with
full
access
interleaving. There
is
no need
to
wait
for
retrace
to
access
memory for a clean display. An 8 x 16
dot
alpha character
cell
is
supported
for
improved alpha.
Other features include:
* underline enhancement support
* hardware
that
will support gray-scale
for
monochrome
rTlonitors
* selectable
HP
or industry standard character sets
* support
for
both 15kHz (200 line) and 25kHz (400 line)
monitors,
but
not
simultaneously
The following, figure 18,
is
a block diagram
of
the
multi-mode
video adapter card.
Multi-Mode Video Adapter
Card
79