(TXT) View Source
# EVEREX SYSTEMS, INC.
EVERGRAPHICS PLUS EV-231C
Category Video
Video Types Monochrome
Supported
Video Processor 6845
Highest 720 x 348
Resolution
Supported
Data Bus Type 8-bit ISA
Memory Type DRAM
Maximum Onboard 64KB (Exact location of memory is
Memory unidentified)
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| Monochrome video | PA5 | Parallel port | PC5 |
| port | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COLUMN (132) DISPLAY CONFIGURATION |
|------------------------------------------------------------|
| Setting | JD1A |
|----------------------------+-------------------------------|
| » | Enabled | Pins 1 & 2 closed |
|----+-----------------------+-------------------------------|
| | Disabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JE2 |
|----------------------------+-------------------------------|
| » | 7 | Pins 2 & 3 closed |
|------+---------------------+-------------------------------|
| | 5 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | Address | JA1 |
|-----------------+---------------+--------------------------|
| » | 1 | 3BCh - 3BEh | Pins 1 & 2 closed |
|---+-------------+---------------+--------------------------|
| | 2 | 378h - 37Fh | Pins 3 & 4 closed |
|---+-------------+---------------+--------------------------|
| | 3 | 278h - 27Fh | Pins 1 & 2, 3 & 4 closed |
|---+-------------+---------------+--------------------------|
| | Disabled | N/A | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED - DO NOT ALTER |
|------------------------------------------------------------|
| Jumper | Position |
|-----------------------------+------------------------------|
| JD1B | Closed |
+------------------------------------------------------------+