Epson Equity Ie Product Support Bulletin page 25

NUMBER: S-0075
Q24.
What video boards, other than MCGA can be used in the
Ie?
Equity
Any other video boards, with the exception of CGA.
A.
Q25.
EGA Software does not work on the Equity
A.
Only MCGA and CGA video modes are supported.
to use an EGA-mode application, either a VGA adapter
(the VGA includes EGA-compatible functions) or an EGA
board is required.
with an EGA board, an EGA monitor would also be required
when using an EGA adapter.
Q26.
Some application
video board as part of the installation process.
MCGA may not be directly supported, what type of board
should be
A.
Specify CGA.
not with EGA or MDA).
using a monochrome VGA monitor.
monitor, shades are displayed in place of colors.
Q27.
When using a multisync monitor sometimes the video is
in 40 Column mode at boot.
A.
The Equity
This is accomplished by checking MOSE0 and
type.
MOSE1
of the video connector CN1 for
(Not Connected)
pulled-up to +5 volts on the computer side.
VGA Monitors condition the cable pins with either GROUND
or NC to inform the computer of its type.
The following chart shows the possible signals and types,
Pin 11
MOSE0
NOTE:
0 indicates a GROUND condition and
an NC condition on the corresponding monitor pin.
The Epson VGA Monitor connections are as follows:
Color VGA
Monochrome
Non-Epson
When using
the monitor may need to be powered ON before the
Ie
Equity
Since a VGA monitor cannot be used
software
specified?
MCGA is software compatible with CGA (but
CGA should be specified even when
Ie
Power-On-Diagnostics
state.
Pin 12
MOSE1
1
1
pin
VGA
pin
VGA Monitor connections
Non-Epson VGA
to avoid improper video modes on power up.
requires specification
With a monochrome VGA
What causes
test
a
Both the MOSE0 and MOSE1 are
No Monitor Connected
Analog Color Monitor
Analog Monochrome
Other Monitor
11
- GROUND
11 -
NC
may
monitors with
PAGE:
Ie.
Why not?
In order
of a
Since
this?
for the monitor
GROUND or NC
The Epson
Monitor
Type
1
indicates
pin 12 - NC
pin 12 - GROUND
vary.
Ie,
the Equity
4
of 4