Multi Mode Video Adapter Card - HP Vectra Reference Manual

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