Epson Equity Ie Product Support Bulletin page 24

NUMBER: S-0075
Q19. Can the keyboards for the Equity + Series be used with
the Equity
A.
No, the
Q20. The keyboard and mouse connectors have exactly the same
shape. Will it cause problems if they are accidentally
reversed?
A. No, the circuits of the keyboard and mouse interfaces
are exactly the same, so the keyboard and mouse will
function
Q21.
Which math coprocessor will work in the Equity
(10MHz.
A.
8087-1
plugging it into the socket.
because the ROM BIOS automatically checks for the
presence of a co-processor when the system boots up.
Which modems can I use?
Any PC/XT
Video
Q23. What is meant by MCGA?
A.
MCGA stands
functionally
adapter) at the BIOS level.
compatible with the EGA standard.
following
CGA, and modes 11 and 13 are newly added functions.
DISPLAY MODES:
* DS -
Character Block is 8 x 8, but Double Scanned
vertically to produce an 8 x 16 character image.
MS DOS operates in a text mode.
by the MODE C040 command.
MODE C080 command.
only under program
and 19. Modes 0 through 6 may have a different character
block but are functionally the same as CGA.
Ie?
connectors are
properly when
The co-processor
compatible modems,
for multi-color
compatible
video modes.
The modes 4 through 19 are available
control.
shaped differently.
plugged into either
is
No Setup is required
either internal
graphics
with CGA (color
However,
MCGA has the
Modes 0-6 are compatible with
Mode 0 or
Mode 2 or 3 is selected by the
The new screen modes are 17
PAGE:
connector.
Ie?
installed by simply
or external.
MCGA is
array.
graphics
it is not
1
is selected
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